diff --git a/db/db_test2.cc b/db/db_test2.cc
index ca8986c4d8d3f69690877c0bada3539606c0597f..c223f2b0082556f04f972acfa5a41bc199782319 100644
--- a/db/db_test2.cc
+++ b/db/db_test2.cc
@@ -2282,12 +2282,15 @@ TEST_F(DBTest2, RateLimitedCompactionReads) {
     // chose 1MB as the upper bound on the total bytes read.
     size_t rate_limited_bytes =
         options.rate_limiter->GetTotalBytesThrough(Env::IO_LOW);
-    ASSERT_GE(
-        rate_limited_bytes,
-        static_cast<size_t>(kNumKeysPerFile * kBytesPerKey * kNumL0Files));
+    // Include the explict prefetch of the footer in direct I/O case.
+    size_t direct_io_extra = use_direct_io ? 512 * 1024 : 0;
+    ASSERT_GE(rate_limited_bytes,
+              static_cast<size_t>(kNumKeysPerFile * kBytesPerKey * kNumL0Files +
+                                  direct_io_extra));
     ASSERT_LT(
         rate_limited_bytes,
-        static_cast<size_t>(2 * kNumKeysPerFile * kBytesPerKey * kNumL0Files));
+        static_cast<size_t>(2 * kNumKeysPerFile * kBytesPerKey * kNumL0Files +
+                            direct_io_extra));
 
     Iterator* iter = db_->NewIterator(ReadOptions());
     for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
diff --git a/table/adaptive_table_factory.cc b/table/adaptive_table_factory.cc
index f83905dff3ac2517aabae2c7d369d8eebb548a2d..47069f866951c4b688754e966a1a155c8b9c61f7 100644
--- a/table/adaptive_table_factory.cc
+++ b/table/adaptive_table_factory.cc
@@ -46,7 +46,8 @@ Status AdaptiveTableFactory::NewTableReader(
     unique_ptr<TableReader>* table,
     bool prefetch_index_and_filter_in_cache) const {
   Footer footer;
-  auto s = ReadFooterFromFile(file.get(), file_size, &footer);
+  auto s = ReadFooterFromFile(file.get(), nullptr /* prefetch_buffer */,
+                              file_size, &footer);
   if (!s.ok()) {
     return s;
   }
diff --git a/table/block_based_table_reader.cc b/table/block_based_table_reader.cc
index 5931692f029ba0cfed0e683406b747e29eb2eea7..89e0c735490b46b60440d382ecc360c0a7af2b3a 100644
--- a/table/block_based_table_reader.cc
+++ b/table/block_based_table_reader.cc
@@ -70,17 +70,17 @@ namespace {
 // On success fill *result and return OK - caller owns *result
 // @param compression_dict Data for presetting the compression library's
 //    dictionary.
-Status ReadBlockFromFile(RandomAccessFileReader* file, const Footer& footer,
-                         const ReadOptions& options, const BlockHandle& handle,
-                         std::unique_ptr<Block>* result,
-                         const ImmutableCFOptions& ioptions, bool do_uncompress,
-                         const Slice& compression_dict,
-                         const PersistentCacheOptions& cache_options,
-                         SequenceNumber global_seqno,
-                         size_t read_amp_bytes_per_bit) {
+Status ReadBlockFromFile(
+    RandomAccessFileReader* file, FilePrefetchBuffer* prefetch_buffer,
+    const Footer& footer, const ReadOptions& options, const BlockHandle& handle,
+    std::unique_ptr<Block>* result, const ImmutableCFOptions& ioptions,
+    bool do_uncompress, const Slice& compression_dict,
+    const PersistentCacheOptions& cache_options, SequenceNumber global_seqno,
+    size_t read_amp_bytes_per_bit) {
   BlockContents contents;
-  Status s = ReadBlockContents(file, footer, options, handle, &contents, ioptions,
-                               do_uncompress, compression_dict, cache_options);
+  Status s = ReadBlockContents(file, prefetch_buffer, footer, options, handle,
+                               &contents, ioptions, do_uncompress,
+                               compression_dict, cache_options);
   if (s.ok()) {
     result->reset(new Block(std::move(contents), global_seqno,
                             read_amp_bytes_per_bit, ioptions.statistics));
@@ -157,6 +157,7 @@ class PartitionIndexReader : public IndexReader, public Cleanable {
   // On success, index_reader will be populated; otherwise it will remain
   // unmodified.
   static Status Create(BlockBasedTable* table, RandomAccessFileReader* file,
+                       FilePrefetchBuffer* prefetch_buffer,
                        const Footer& footer, const BlockHandle& index_handle,
                        const ImmutableCFOptions& ioptions,
                        const InternalKeyComparator* icomparator,
@@ -165,8 +166,9 @@ class PartitionIndexReader : public IndexReader, public Cleanable {
                        const int level) {
     std::unique_ptr<Block> index_block;
     auto s = ReadBlockFromFile(
-        file, footer, ReadOptions(), index_handle, &index_block, ioptions,
-        true /* decompress */, Slice() /*compression dict*/, cache_options,
+        file, prefetch_buffer, footer, ReadOptions(), index_handle,
+        &index_block, ioptions, true /* decompress */,
+        Slice() /*compression dict*/, cache_options,
         kDisableGlobalSequenceNumber, 0 /* read_amp_bytes_per_bit */);
 
     if (s.ok()) {
@@ -238,16 +240,18 @@ class BinarySearchIndexReader : public IndexReader {
   // `BinarySearchIndexReader`.
   // On success, index_reader will be populated; otherwise it will remain
   // unmodified.
-  static Status Create(RandomAccessFileReader* file, const Footer& footer,
-                       const BlockHandle& index_handle,
+  static Status Create(RandomAccessFileReader* file,
+                       FilePrefetchBuffer* prefetch_buffer,
+                       const Footer& footer, const BlockHandle& index_handle,
                        const ImmutableCFOptions& ioptions,
                        const InternalKeyComparator* icomparator,
                        IndexReader** index_reader,
                        const PersistentCacheOptions& cache_options) {
     std::unique_ptr<Block> index_block;
     auto s = ReadBlockFromFile(
-        file, footer, ReadOptions(), index_handle, &index_block, ioptions,
-        true /* decompress */, Slice() /*compression dict*/, cache_options,
+        file, prefetch_buffer, footer, ReadOptions(), index_handle,
+        &index_block, ioptions, true /* decompress */,
+        Slice() /*compression dict*/, cache_options,
         kDisableGlobalSequenceNumber, 0 /* read_amp_bytes_per_bit */);
 
     if (s.ok()) {
@@ -289,6 +293,7 @@ class HashIndexReader : public IndexReader {
  public:
   static Status Create(const SliceTransform* hash_key_extractor,
                        const Footer& footer, RandomAccessFileReader* file,
+                       FilePrefetchBuffer* prefetch_buffer,
                        const ImmutableCFOptions& ioptions,
                        const InternalKeyComparator* icomparator,
                        const BlockHandle& index_handle,
@@ -298,8 +303,9 @@ class HashIndexReader : public IndexReader {
                        const PersistentCacheOptions& cache_options) {
     std::unique_ptr<Block> index_block;
     auto s = ReadBlockFromFile(
-        file, footer, ReadOptions(), index_handle, &index_block, ioptions,
-        true /* decompress */, Slice() /*compression dict*/, cache_options,
+        file, prefetch_buffer, footer, ReadOptions(), index_handle,
+        &index_block, ioptions, true /* decompress */,
+        Slice() /*compression dict*/, cache_options,
         kDisableGlobalSequenceNumber, 0 /* read_amp_bytes_per_bit */);
 
     if (!s.ok()) {
@@ -335,15 +341,17 @@ class HashIndexReader : public IndexReader {
 
     // Read contents for the blocks
     BlockContents prefixes_contents;
-    s = ReadBlockContents(file, footer, ReadOptions(), prefixes_handle,
-                          &prefixes_contents, ioptions, true /* decompress */,
-                          Slice() /*compression dict*/, cache_options);
+    s = ReadBlockContents(file, prefetch_buffer, footer, ReadOptions(),
+                          prefixes_handle, &prefixes_contents, ioptions,
+                          true /* decompress */, Slice() /*compression dict*/,
+                          cache_options);
     if (!s.ok()) {
       return s;
     }
     BlockContents prefixes_meta_contents;
-    s = ReadBlockContents(file, footer, ReadOptions(), prefixes_meta_handle,
-                          &prefixes_meta_contents, ioptions, true /* decompress */,
+    s = ReadBlockContents(file, prefetch_buffer, footer, ReadOptions(),
+                          prefixes_meta_handle, &prefixes_meta_contents,
+                          ioptions, true /* decompress */,
                           Slice() /*compression dict*/, cache_options);
     if (!s.ok()) {
       // TODO: log error
@@ -535,12 +543,29 @@ Status BlockBasedTable::Open(const ImmutableCFOptions& ioptions,
 
   Footer footer;
 
+  std::unique_ptr<FilePrefetchBuffer> prefetch_buffer;
+
   // Before read footer, readahead backwards to prefetch data
-  Status s =
-      file->Prefetch((file_size < 512 * 1024 ? 0 : file_size - 512 * 1024),
-                     512 * 1024 /* 512 KB prefetching */);
-  s = ReadFooterFromFile(file.get(), file_size, &footer,
-                              kBlockBasedTableMagicNumber);
+  const size_t kTailPrefetchSize = 512 * 1024;
+  size_t prefetch_off;
+  size_t prefetch_len;
+  if (file_size < kTailPrefetchSize) {
+    prefetch_off = 0;
+    prefetch_len = file_size;
+  } else {
+    prefetch_off = file_size - kTailPrefetchSize;
+    prefetch_len = kTailPrefetchSize;
+  }
+  Status s;
+  // TODO should not have this special logic in the future.
+  if (!file->use_direct_io()) {
+    s = file->Prefetch(prefetch_off, prefetch_len);
+  } else {
+    prefetch_buffer.reset(new FilePrefetchBuffer());
+    s = prefetch_buffer->Prefetch(file.get(), prefetch_off, prefetch_len);
+  }
+  s = ReadFooterFromFile(file.get(), prefetch_buffer.get(), file_size, &footer,
+                         kBlockBasedTableMagicNumber);
   if (!s.ok()) {
     return s;
   }
@@ -577,7 +602,7 @@ Status BlockBasedTable::Open(const ImmutableCFOptions& ioptions,
   // Read meta index
   std::unique_ptr<Block> meta;
   std::unique_ptr<InternalIterator> meta_iter;
-  s = ReadMetaBlock(rep, &meta, &meta_iter);
+  s = ReadMetaBlock(rep, prefetch_buffer.get(), &meta, &meta_iter);
   if (!s.ok()) {
     return s;
   }
@@ -623,8 +648,9 @@ Status BlockBasedTable::Open(const ImmutableCFOptions& ioptions,
     s = meta_iter->status();
     TableProperties* table_properties = nullptr;
     if (s.ok()) {
-      s = ReadProperties(meta_iter->value(), rep->file.get(), rep->footer,
-                         rep->ioptions, &table_properties);
+      s = ReadProperties(meta_iter->value(), rep->file.get(),
+                         prefetch_buffer.get(), rep->footer, rep->ioptions,
+                         &table_properties);
     }
 
     if (!s.ok()) {
@@ -655,9 +681,9 @@ Status BlockBasedTable::Open(const ImmutableCFOptions& ioptions,
     // TODO(andrewkr): ReadMetaBlock repeats SeekToCompressionDictBlock().
     // maybe decode a handle from meta_iter
     // and do ReadBlockContents(handle) instead
-    s = rocksdb::ReadMetaBlock(rep->file.get(), file_size,
-                               kBlockBasedTableMagicNumber, rep->ioptions,
-                               rocksdb::kCompressionDictBlock,
+    s = rocksdb::ReadMetaBlock(rep->file.get(), prefetch_buffer.get(),
+                               file_size, kBlockBasedTableMagicNumber,
+                               rep->ioptions, rocksdb::kCompressionDictBlock,
                                compression_dict_block.get());
     if (!s.ok()) {
       ROCKS_LOG_WARN(
@@ -682,6 +708,7 @@ Status BlockBasedTable::Open(const ImmutableCFOptions& ioptions,
   } else {
     if (found_range_del_block && !rep->range_del_handle.IsNull()) {
       ReadOptions read_options;
+      // TODO: try to use prefetched buffer too.
       s = MaybeLoadDataBlockToCache(rep, read_options, rep->range_del_handle,
                                     Slice() /* compression_dict */,
                                     &rep->range_del_entry);
@@ -753,7 +780,8 @@ Status BlockBasedTable::Open(const ImmutableCFOptions& ioptions,
     // pre-load these blocks, which will kept in member variables in Rep
     // and with a same life-time as this table object.
     IndexReader* index_reader = nullptr;
-    s = new_table->CreateIndexReader(&index_reader, meta_iter.get(), level);
+    s = new_table->CreateIndexReader(prefetch_buffer.get(), &index_reader,
+                                     meta_iter.get(), level);
 
     if (s.ok()) {
       rep->index_reader.reset(index_reader);
@@ -761,8 +789,8 @@ Status BlockBasedTable::Open(const ImmutableCFOptions& ioptions,
       // Set filter block
       if (rep->filter_policy) {
         const bool is_a_filter_partition = true;
-        rep->filter.reset(
-            new_table->ReadFilter(rep->filter_handle, !is_a_filter_partition));
+        rep->filter.reset(new_table->ReadFilter(
+            prefetch_buffer.get(), rep->filter_handle, !is_a_filter_partition));
         if (rep->filter.get()) {
           rep->filter->SetLevel(level);
         }
@@ -816,13 +844,14 @@ size_t BlockBasedTable::ApproximateMemoryUsage() const {
 // Load the meta-block from the file. On success, return the loaded meta block
 // and its iterator.
 Status BlockBasedTable::ReadMetaBlock(Rep* rep,
+                                      FilePrefetchBuffer* prefetch_buffer,
                                       std::unique_ptr<Block>* meta_block,
                                       std::unique_ptr<InternalIterator>* iter) {
   // TODO(sanjay): Skip this if footer.metaindex_handle() size indicates
   // it is an empty block.
   std::unique_ptr<Block> meta;
   Status s = ReadBlockFromFile(
-      rep->file.get(), rep->footer, ReadOptions(),
+      rep->file.get(), prefetch_buffer, rep->footer, ReadOptions(),
       rep->footer.metaindex_handle(), &meta, rep->ioptions,
       true /* decompress */, Slice() /*compression dict*/,
       rep->persistent_cache_options, kDisableGlobalSequenceNumber,
@@ -1021,7 +1050,8 @@ Status BlockBasedTable::PutDataBlockToCache(
 }
 
 FilterBlockReader* BlockBasedTable::ReadFilter(
-    const BlockHandle& filter_handle, const bool is_a_filter_partition) const {
+    FilePrefetchBuffer* prefetch_buffer, const BlockHandle& filter_handle,
+    const bool is_a_filter_partition) const {
   auto& rep = rep_;
   // TODO: We might want to unify with ReadBlockFromFile() if we start
   // requiring checksum verification in Table::Open.
@@ -1029,8 +1059,8 @@ FilterBlockReader* BlockBasedTable::ReadFilter(
     return nullptr;
   }
   BlockContents block;
-  if (!ReadBlockContents(rep->file.get(), rep->footer, ReadOptions(),
-                         filter_handle, &block, rep->ioptions,
+  if (!ReadBlockContents(rep->file.get(), prefetch_buffer, rep->footer,
+                         ReadOptions(), filter_handle, &block, rep->ioptions,
                          false /* decompress */, Slice() /*compression dict*/,
                          rep->persistent_cache_options)
            .ok()) {
@@ -1127,7 +1157,8 @@ BlockBasedTable::CachableEntry<FilterBlockReader> BlockBasedTable::GetFilter(
     // Do not invoke any io.
     return CachableEntry<FilterBlockReader>();
   } else {
-    filter = ReadFilter(filter_blk_handle, is_a_filter_partition);
+    filter = ReadFilter(nullptr /* prefetch_buffer */, filter_blk_handle,
+                        is_a_filter_partition);
     if (filter != nullptr) {
       assert(filter->size() > 0);
       Status s = block_cache->Insert(
@@ -1195,7 +1226,7 @@ InternalIterator* BlockBasedTable::NewIndexIterator(
     // Create index reader and put it in the cache.
     Status s;
     TEST_SYNC_POINT("BlockBasedTable::NewIndexIterator::thread2:2");
-    s = CreateIndexReader(&index_reader);
+    s = CreateIndexReader(nullptr /* prefetch_buffer */, &index_reader);
     TEST_SYNC_POINT("BlockBasedTable::NewIndexIterator::thread1:1");
     TEST_SYNC_POINT("BlockBasedTable::NewIndexIterator::thread2:3");
     TEST_SYNC_POINT("BlockBasedTable::NewIndexIterator::thread1:4");
@@ -1290,10 +1321,11 @@ InternalIterator* BlockBasedTable::NewDataBlockIterator(
       }
     }
     std::unique_ptr<Block> block_value;
-    s = ReadBlockFromFile(
-        rep->file.get(), rep->footer, ro, handle, &block_value, rep->ioptions,
-        true /* compress */, compression_dict, rep->persistent_cache_options,
-        rep->global_seqno, rep->table_options.read_amp_bytes_per_bit);
+    s = ReadBlockFromFile(rep->file.get(), nullptr /* prefetch_buffer */,
+                          rep->footer, ro, handle, &block_value, rep->ioptions,
+                          true /* compress */, compression_dict,
+                          rep->persistent_cache_options, rep->global_seqno,
+                          rep->table_options.read_amp_bytes_per_bit);
     if (s.ok()) {
       block.value = block_value.release();
     }
@@ -1360,11 +1392,12 @@ Status BlockBasedTable::MaybeLoadDataBlockToCache(
       std::unique_ptr<Block> raw_block;
       {
         StopWatch sw(rep->ioptions.env, statistics, READ_BLOCK_GET_MICROS);
-        s = ReadBlockFromFile(
-            rep->file.get(), rep->footer, ro, handle, &raw_block, rep->ioptions,
-            block_cache_compressed == nullptr, compression_dict,
-            rep->persistent_cache_options, rep->global_seqno,
-            rep->table_options.read_amp_bytes_per_bit);
+        s = ReadBlockFromFile(rep->file.get(), nullptr /* prefetch_buffer*/,
+                              rep->footer, ro, handle, &raw_block,
+                              rep->ioptions, block_cache_compressed == nullptr,
+                              compression_dict, rep->persistent_cache_options,
+                              rep->global_seqno,
+                              rep->table_options.read_amp_bytes_per_bit);
       }
 
       if (s.ok()) {
@@ -1750,7 +1783,7 @@ Status BlockBasedTable::VerifyChecksum() {
   // Check Meta blocks
   std::unique_ptr<Block> meta;
   std::unique_ptr<InternalIterator> meta_iter;
-  s = ReadMetaBlock(rep_, &meta, &meta_iter);
+  s = ReadMetaBlock(rep_, nullptr /* prefetch buffer */, &meta, &meta_iter);
   if (s.ok()) {
     s = VerifyChecksumInBlocks(meta_iter.get());
     if (!s.ok()) {
@@ -1788,9 +1821,10 @@ Status BlockBasedTable::VerifyChecksumInBlocks(InternalIterator* index_iter) {
       break;
     }
     BlockContents contents;
-    s = ReadBlockContents(rep_->file.get(), rep_->footer, ReadOptions(),
-                          handle, &contents, rep_->ioptions,
-                          false /* decompress */, Slice() /*compression dict*/,
+    s = ReadBlockContents(rep_->file.get(), nullptr /* prefetch buffer */,
+                          rep_->footer, ReadOptions(), handle, &contents,
+                          rep_->ioptions, false /* decompress */,
+                          Slice() /*compression dict*/,
                           rep_->persistent_cache_options);
     if (!s.ok()) {
       break;
@@ -1840,8 +1874,8 @@ bool BlockBasedTable::TEST_KeyInCache(const ReadOptions& options,
 //  4. internal_comparator
 //  5. index_type
 Status BlockBasedTable::CreateIndexReader(
-    IndexReader** index_reader, InternalIterator* preloaded_meta_index_iter,
-    int level) {
+    FilePrefetchBuffer* prefetch_buffer, IndexReader** index_reader,
+    InternalIterator* preloaded_meta_index_iter, int level) {
   // Some old version of block-based tables don't have index type present in
   // table properties. If that's the case we can safely use the kBinarySearch.
   auto index_type_on_file = BlockBasedTableOptions::kBinarySearch;
@@ -1869,20 +1903,22 @@ Status BlockBasedTable::CreateIndexReader(
   switch (index_type_on_file) {
     case BlockBasedTableOptions::kTwoLevelIndexSearch: {
       return PartitionIndexReader::Create(
-          this, file, footer, footer.index_handle(), rep_->ioptions,
-          icomparator, index_reader, rep_->persistent_cache_options, level);
+          this, file, prefetch_buffer, footer, footer.index_handle(),
+          rep_->ioptions, icomparator, index_reader,
+          rep_->persistent_cache_options, level);
     }
     case BlockBasedTableOptions::kBinarySearch: {
       return BinarySearchIndexReader::Create(
-          file, footer, footer.index_handle(), rep_->ioptions, icomparator,
-          index_reader, rep_->persistent_cache_options);
+          file, prefetch_buffer, footer, footer.index_handle(), rep_->ioptions,
+          icomparator, index_reader, rep_->persistent_cache_options);
     }
     case BlockBasedTableOptions::kHashSearch: {
       std::unique_ptr<Block> meta_guard;
       std::unique_ptr<InternalIterator> meta_iter_guard;
       auto meta_index_iter = preloaded_meta_index_iter;
       if (meta_index_iter == nullptr) {
-        auto s = ReadMetaBlock(rep_, &meta_guard, &meta_iter_guard);
+        auto s =
+            ReadMetaBlock(rep_, prefetch_buffer, &meta_guard, &meta_iter_guard);
         if (!s.ok()) {
           // we simply fall back to binary search in case there is any
           // problem with prefix hash index loading.
@@ -1890,16 +1926,18 @@ Status BlockBasedTable::CreateIndexReader(
                          "Unable to read the metaindex block."
                          " Fall back to binary search index.");
           return BinarySearchIndexReader::Create(
-              file, footer, footer.index_handle(), rep_->ioptions, icomparator,
-              index_reader, rep_->persistent_cache_options);
+              file, prefetch_buffer, footer, footer.index_handle(),
+              rep_->ioptions, icomparator, index_reader,
+              rep_->persistent_cache_options);
         }
         meta_index_iter = meta_iter_guard.get();
       }
 
       return HashIndexReader::Create(
-          rep_->internal_prefix_transform.get(), footer, file, rep_->ioptions,
-          icomparator, footer.index_handle(), meta_index_iter, index_reader,
-          rep_->hash_index_allow_collision, rep_->persistent_cache_options);
+          rep_->internal_prefix_transform.get(), footer, file, prefetch_buffer,
+          rep_->ioptions, icomparator, footer.index_handle(), meta_index_iter,
+          index_reader, rep_->hash_index_allow_collision,
+          rep_->persistent_cache_options);
     }
     default: {
       std::string error_message =
@@ -2015,7 +2053,8 @@ Status BlockBasedTable::DumpTable(WritableFile* out_file) {
       "--------------------------------------\n");
   std::unique_ptr<Block> meta;
   std::unique_ptr<InternalIterator> meta_iter;
-  Status s = ReadMetaBlock(rep_, &meta, &meta_iter);
+  Status s =
+      ReadMetaBlock(rep_, nullptr /* prefetch_buffer */, &meta, &meta_iter);
   if (s.ok()) {
     for (meta_iter->SeekToFirst(); meta_iter->Valid(); meta_iter->Next()) {
       s = meta_iter->status();
@@ -2071,10 +2110,11 @@ Status BlockBasedTable::DumpTable(WritableFile* out_file) {
       BlockHandle handle;
       if (FindMetaBlock(meta_iter.get(), filter_block_key, &handle).ok()) {
         BlockContents block;
-        if (ReadBlockContents(
-                rep_->file.get(), rep_->footer, ReadOptions(), handle, &block,
-                rep_->ioptions, false /*decompress*/,
-                Slice() /*compression dict*/, rep_->persistent_cache_options)
+        if (ReadBlockContents(rep_->file.get(), nullptr /* prefetch_buffer */,
+                              rep_->footer, ReadOptions(), handle, &block,
+                              rep_->ioptions, false /*decompress*/,
+                              Slice() /*compression dict*/,
+                              rep_->persistent_cache_options)
                 .ok()) {
           rep_->filter.reset(new BlockBasedFilterBlockReader(
               rep_->ioptions.prefix_extractor, table_options,
diff --git a/table/block_based_table_reader.h b/table/block_based_table_reader.h
index 3451614c878dc54d625731aeab81f9eead14db9c..457edce2205fe432876713ff8aba439304b0201e 100644
--- a/table/block_based_table_reader.h
+++ b/table/block_based_table_reader.h
@@ -300,7 +300,7 @@ class BlockBasedTable : public TableReader {
   // need to access extra meta blocks for index construction. This parameter
   // helps avoid re-reading meta index block if caller already created one.
   Status CreateIndexReader(
-      IndexReader** index_reader,
+      FilePrefetchBuffer* prefetch_buffer, IndexReader** index_reader,
       InternalIterator* preloaded_meta_index_iter = nullptr,
       const int level = -1);
 
@@ -309,13 +309,15 @@ class BlockBasedTable : public TableReader {
                              const bool no_io) const;
 
   // Read the meta block from sst.
-  static Status ReadMetaBlock(Rep* rep, std::unique_ptr<Block>* meta_block,
+  static Status ReadMetaBlock(Rep* rep, FilePrefetchBuffer* prefetch_buffer,
+                              std::unique_ptr<Block>* meta_block,
                               std::unique_ptr<InternalIterator>* iter);
 
   Status VerifyChecksumInBlocks(InternalIterator* index_iter);
 
   // Create the filter from the filter block.
-  FilterBlockReader* ReadFilter(const BlockHandle& filter_handle,
+  FilterBlockReader* ReadFilter(FilePrefetchBuffer* prefetch_buffer,
+                                const BlockHandle& filter_handle,
                                 const bool is_a_filter_partition) const;
 
   static void SetupCacheKeyPrefix(Rep* rep, uint64_t file_size);
diff --git a/table/format.cc b/table/format.cc
index 3e5a191bbf20f20eeab5daa6f6eb2523d64f8660..e5f2df0074a34d6727cc2783671fee90a7d1cdd2 100644
--- a/table/format.cc
+++ b/table/format.cc
@@ -216,8 +216,10 @@ std::string Footer::ToString() const {
   return result;
 }
 
-Status ReadFooterFromFile(RandomAccessFileReader* file, uint64_t file_size,
-                          Footer* footer, uint64_t enforce_table_magic_number) {
+Status ReadFooterFromFile(RandomAccessFileReader* file,
+                          FilePrefetchBuffer* prefetch_buffer,
+                          uint64_t file_size, Footer* footer,
+                          uint64_t enforce_table_magic_number) {
   if (file_size < Footer::kMinEncodedLength) {
     return Status::Corruption(
       "file is too short (" + ToString(file_size) + " bytes) to be an "
@@ -230,9 +232,14 @@ Status ReadFooterFromFile(RandomAccessFileReader* file, uint64_t file_size,
       (file_size > Footer::kMaxEncodedLength)
           ? static_cast<size_t>(file_size - Footer::kMaxEncodedLength)
           : 0;
-  Status s = file->Read(read_offset, Footer::kMaxEncodedLength, &footer_input,
-                        footer_space);
-  if (!s.ok()) return s;
+  Status s;
+  if (prefetch_buffer == nullptr ||
+      !prefetch_buffer->TryReadFromCache(read_offset, Footer::kMaxEncodedLength,
+                                         &footer_input)) {
+    s = file->Read(read_offset, Footer::kMaxEncodedLength, &footer_input,
+                   footer_space);
+    if (!s.ok()) return s;
+  }
 
   // Check that we actually read the whole footer from the file. It may be
   // that size isn't correct.
@@ -259,6 +266,43 @@ Status ReadFooterFromFile(RandomAccessFileReader* file, uint64_t file_size,
 
 // Without anonymous namespace here, we fail the warning -Wmissing-prototypes
 namespace {
+Status CheckBlockChecksum(const ReadOptions& options, const Footer& footer,
+                          const Slice& contents, size_t block_size,
+                          RandomAccessFileReader* file,
+                          const BlockHandle& handle) {
+  Status s;
+  // Check the crc of the type and the block contents
+  if (options.verify_checksums) {
+    const char* data = contents.data();  // Pointer to where Read put the data
+    PERF_TIMER_GUARD(block_checksum_time);
+    uint32_t value = DecodeFixed32(data + block_size + 1);
+    uint32_t actual = 0;
+    switch (footer.checksum()) {
+      case kCRC32c:
+        value = crc32c::Unmask(value);
+        actual = crc32c::Value(data, block_size + 1);
+        break;
+      case kxxHash:
+        actual = XXH32(data, static_cast<int>(block_size) + 1, 0);
+        break;
+      default:
+        s = Status::Corruption(
+            "unknown checksum type " + ToString(footer.checksum()) + " in " +
+            file->file_name() + " offset " + ToString(handle.offset()) +
+            " size " + ToString(block_size));
+    }
+    if (s.ok() && actual != value) {
+      s = Status::Corruption(
+          "block checksum mismatch: expected " + ToString(actual) + ", got " +
+          ToString(value) + "  in " + file->file_name() + " offset " +
+          ToString(handle.offset()) + " size " + ToString(block_size));
+    }
+    if (!s.ok()) {
+      return s;
+    }
+  }
+  return s;
+}
 
 // Read a block and check its CRC
 // contents is the result of reading.
@@ -281,53 +325,21 @@ Status ReadBlock(RandomAccessFileReader* file, const Footer& footer,
     return s;
   }
   if (contents->size() != n + kBlockTrailerSize) {
-    return Status::Corruption(
-      "truncated block read from " + file->file_name() + " offset "
-      + ToString(handle.offset()) + ", expected "
-      + ToString(n + kBlockTrailerSize) + " bytes, got "
-      + ToString(contents->size()));
-  }
-
-  // Check the crc of the type and the block contents
-  const char* data = contents->data();  // Pointer to where Read put the data
-  if (options.verify_checksums) {
-    PERF_TIMER_GUARD(block_checksum_time);
-    uint32_t value = DecodeFixed32(data + n + 1);
-    uint32_t actual = 0;
-    switch (footer.checksum()) {
-      case kCRC32c:
-        value = crc32c::Unmask(value);
-        actual = crc32c::Value(data, n + 1);
-        break;
-      case kxxHash:
-        actual = XXH32(data, static_cast<int>(n) + 1, 0);
-        break;
-      default:
-        s = Status::Corruption(
-          "unknown checksum type " + ToString(footer.checksum())
-          + " in " + file->file_name() + " offset "
-          + ToString(handle.offset()) + " size " + ToString(n));
-    }
-    if (s.ok() && actual != value) {
-      s = Status::Corruption(
-        "block checksum mismatch: expected " + ToString(actual)
-        + ", got " + ToString(value) + "  in " + file->file_name()
-        + " offset " + ToString(handle.offset())
-        + " size " + ToString(n));
-    }
-    if (!s.ok()) {
-      return s;
-    }
+    return Status::Corruption("truncated block read from " + file->file_name() +
+                              " offset " + ToString(handle.offset()) +
+                              ", expected " + ToString(n + kBlockTrailerSize) +
+                              " bytes, got " + ToString(contents->size()));
   }
-  return s;
+  return CheckBlockChecksum(options, footer, *contents, n, file, handle);
 }
 
 }  // namespace
 
-Status ReadBlockContents(RandomAccessFileReader* file, const Footer& footer,
-                         const ReadOptions& read_options,
+Status ReadBlockContents(RandomAccessFileReader* file,
+                         FilePrefetchBuffer* prefetch_buffer,
+                         const Footer& footer, const ReadOptions& read_options,
                          const BlockHandle& handle, BlockContents* contents,
-                         const ImmutableCFOptions &ioptions,
+                         const ImmutableCFOptions& ioptions,
                          bool decompression_requested,
                          const Slice& compression_dict,
                          const PersistentCacheOptions& cache_options) {
@@ -357,8 +369,21 @@ Status ReadBlockContents(RandomAccessFileReader* file, const Footer& footer,
     }
   }
 
-  if (cache_options.persistent_cache &&
-      cache_options.persistent_cache->IsCompressed()) {
+  bool got_from_prefetch_buffer = false;
+  if (prefetch_buffer != nullptr &&
+      prefetch_buffer->TryReadFromCache(
+          handle.offset(),
+          static_cast<size_t>(handle.size()) + kBlockTrailerSize, &slice)) {
+    status =
+        CheckBlockChecksum(read_options, footer, slice,
+                           static_cast<size_t>(handle.size()), file, handle);
+    if (!status.ok()) {
+      return status;
+    }
+    got_from_prefetch_buffer = true;
+    used_buf = const_cast<char*>(slice.data());
+  } else if (cache_options.persistent_cache &&
+             cache_options.persistent_cache->IsCompressed()) {
     // lookup uncompressed cache mode p-cache
     status = PersistentCacheHelper::LookupRawPage(
         cache_options, handle, &heap_buf, n + kBlockTrailerSize);
@@ -366,40 +391,42 @@ Status ReadBlockContents(RandomAccessFileReader* file, const Footer& footer,
     status = Status::NotFound();
   }
 
-  if (status.ok()) {
-    // cache hit
-    used_buf = heap_buf.get();
-    slice = Slice(heap_buf.get(), n);
-  } else {
-    if (ioptions.info_log && !status.IsNotFound()) {
-      assert(!status.ok());
-      ROCKS_LOG_INFO(ioptions.info_log,
-                     "Error reading from persistent cache. %s",
-                     status.ToString().c_str());
-    }
-    // cache miss read from device
-    if (decompression_requested &&
-        n + kBlockTrailerSize < DefaultStackBufferSize) {
-      // If we've got a small enough hunk of data, read it in to the
-      // trivially allocated stack buffer instead of needing a full malloc()
-      used_buf = &stack_buf[0];
-    } else {
-      heap_buf = std::unique_ptr<char[]>(new char[n + kBlockTrailerSize]);
+  if (!got_from_prefetch_buffer) {
+    if (status.ok()) {
+      // cache hit
       used_buf = heap_buf.get();
-    }
+      slice = Slice(heap_buf.get(), n);
+    } else {
+      if (ioptions.info_log && !status.IsNotFound()) {
+        assert(!status.ok());
+        ROCKS_LOG_INFO(ioptions.info_log,
+                       "Error reading from persistent cache. %s",
+                       status.ToString().c_str());
+      }
+      // cache miss read from device
+      if (decompression_requested &&
+          n + kBlockTrailerSize < DefaultStackBufferSize) {
+        // If we've got a small enough hunk of data, read it in to the
+        // trivially allocated stack buffer instead of needing a full malloc()
+        used_buf = &stack_buf[0];
+      } else {
+        heap_buf = std::unique_ptr<char[]>(new char[n + kBlockTrailerSize]);
+        used_buf = heap_buf.get();
+      }
 
-    status = ReadBlock(file, footer, read_options, handle, &slice, used_buf);
-    if (status.ok() && read_options.fill_cache &&
-        cache_options.persistent_cache &&
-        cache_options.persistent_cache->IsCompressed()) {
-      // insert to raw cache
-      PersistentCacheHelper::InsertRawPage(cache_options, handle, used_buf,
-                                           n + kBlockTrailerSize);
+      status = ReadBlock(file, footer, read_options, handle, &slice, used_buf);
+      if (status.ok() && read_options.fill_cache &&
+          cache_options.persistent_cache &&
+          cache_options.persistent_cache->IsCompressed()) {
+        // insert to raw cache
+        PersistentCacheHelper::InsertRawPage(cache_options, handle, used_buf,
+                                             n + kBlockTrailerSize);
+      }
     }
-  }
 
-  if (!status.ok()) {
-    return status;
+    if (!status.ok()) {
+      return status;
+    }
   }
 
   PERF_TIMER_GUARD(block_decompress_time);
@@ -416,14 +443,14 @@ Status ReadBlockContents(RandomAccessFileReader* file, const Footer& footer,
     *contents = BlockContents(Slice(slice.data(), n), false, compression_type);
   } else {
     // page is uncompressed, the buffer either stack or heap provided
-    if (used_buf == &stack_buf[0]) {
+    if (got_from_prefetch_buffer || used_buf == &stack_buf[0]) {
       heap_buf = std::unique_ptr<char[]>(new char[n]);
-      memcpy(heap_buf.get(), stack_buf, n);
+      memcpy(heap_buf.get(), used_buf, n);
     }
     *contents = BlockContents(std::move(heap_buf), n, true, compression_type);
   }
 
-  if (status.ok() && read_options.fill_cache &&
+  if (status.ok() && !got_from_prefetch_buffer && read_options.fill_cache &&
       cache_options.persistent_cache &&
       !cache_options.persistent_cache->IsCompressed()) {
     // insert to uncompressed cache
diff --git a/table/format.h b/table/format.h
index d89b1d312cf10b5ce8396eaa686db897d08f130f..512b4a32bfa8c15d46c8a01026e3688a3f27ad93 100644
--- a/table/format.h
+++ b/table/format.h
@@ -18,6 +18,7 @@
 #include "options/cf_options.h"
 #include "port/port.h"  // noexcept
 #include "table/persistent_cache_options.h"
+#include "util/file_reader_writer.h"
 
 namespace rocksdb {
 
@@ -173,8 +174,9 @@ class Footer {
 // Read the footer from file
 // If enforce_table_magic_number != 0, ReadFooterFromFile() will return
 // corruption if table_magic number is not equal to enforce_table_magic_number
-Status ReadFooterFromFile(RandomAccessFileReader* file, uint64_t file_size,
-                          Footer* footer,
+Status ReadFooterFromFile(RandomAccessFileReader* file,
+                          FilePrefetchBuffer* prefetch_buffer,
+                          uint64_t file_size, Footer* footer,
                           uint64_t enforce_table_magic_number = 0);
 
 // 1-byte type + 32-bit crc
@@ -213,9 +215,9 @@ struct BlockContents {
 // Read the block identified by "handle" from "file".  On failure
 // return non-OK.  On success fill *result and return OK.
 extern Status ReadBlockContents(
-    RandomAccessFileReader* file, const Footer& footer,
-    const ReadOptions& options, const BlockHandle& handle,
-    BlockContents* contents, const ImmutableCFOptions &ioptions,
+    RandomAccessFileReader* file, FilePrefetchBuffer* prefetch_buffer,
+    const Footer& footer, const ReadOptions& options, const BlockHandle& handle,
+    BlockContents* contents, const ImmutableCFOptions& ioptions,
     bool do_uncompress = true, const Slice& compression_dict = Slice(),
     const PersistentCacheOptions& cache_options = PersistentCacheOptions());
 
diff --git a/table/meta_blocks.cc b/table/meta_blocks.cc
index 5946e40fe0bc8df71cc8b2b4f067853526ca2cff..1227bb0aeb79db36a2e8eb14cd1bca4ff6845379 100644
--- a/table/meta_blocks.cc
+++ b/table/meta_blocks.cc
@@ -16,6 +16,7 @@
 #include "table/persistent_cache_helper.h"
 #include "table/table_properties_internal.h"
 #include "util/coding.h"
+#include "util/file_reader_writer.h"
 
 namespace rocksdb {
 
@@ -159,7 +160,8 @@ bool NotifyCollectTableCollectorsOnFinish(
 }
 
 Status ReadProperties(const Slice& handle_value, RandomAccessFileReader* file,
-                      const Footer& footer, const ImmutableCFOptions& ioptions,
+                      FilePrefetchBuffer* prefetch_buffer, const Footer& footer,
+                      const ImmutableCFOptions& ioptions,
                       TableProperties** table_properties) {
   assert(table_properties);
 
@@ -173,8 +175,8 @@ Status ReadProperties(const Slice& handle_value, RandomAccessFileReader* file,
   ReadOptions read_options;
   read_options.verify_checksums = false;
   Status s;
-  s = ReadBlockContents(file, footer, read_options, handle, &block_contents,
-                        ioptions, false /* decompress */);
+  s = ReadBlockContents(file, prefetch_buffer, footer, read_options, handle,
+                        &block_contents, ioptions, false /* decompress */);
 
   if (!s.ok()) {
     return s;
@@ -277,7 +279,8 @@ Status ReadTableProperties(RandomAccessFileReader* file, uint64_t file_size,
                            TableProperties** properties) {
   // -- Read metaindex block
   Footer footer;
-  auto s = ReadFooterFromFile(file, file_size, &footer, table_magic_number);
+  auto s = ReadFooterFromFile(file, nullptr /* prefetch_buffer */, file_size,
+                              &footer, table_magic_number);
   if (!s.ok()) {
     return s;
   }
@@ -286,8 +289,9 @@ Status ReadTableProperties(RandomAccessFileReader* file, uint64_t file_size,
   BlockContents metaindex_contents;
   ReadOptions read_options;
   read_options.verify_checksums = false;
-  s = ReadBlockContents(file, footer, read_options, metaindex_handle,
-                        &metaindex_contents, ioptions, false /* decompress */);
+  s = ReadBlockContents(file, nullptr /* prefetch_buffer */, footer,
+                        read_options, metaindex_handle, &metaindex_contents,
+                        ioptions, false /* decompress */);
   if (!s.ok()) {
     return s;
   }
@@ -305,7 +309,8 @@ Status ReadTableProperties(RandomAccessFileReader* file, uint64_t file_size,
 
   TableProperties table_properties;
   if (found_properties_block == true) {
-    s = ReadProperties(meta_iter->value(), file, footer, ioptions, properties);
+    s = ReadProperties(meta_iter->value(), file, nullptr /* prefetch_buffer */,
+                       footer, ioptions, properties);
   } else {
     s = Status::NotFound();
   }
@@ -332,7 +337,8 @@ Status FindMetaBlock(RandomAccessFileReader* file, uint64_t file_size,
                      const std::string& meta_block_name,
                      BlockHandle* block_handle) {
   Footer footer;
-  auto s = ReadFooterFromFile(file, file_size, &footer, table_magic_number);
+  auto s = ReadFooterFromFile(file, nullptr /* prefetch_buffer */, file_size,
+                              &footer, table_magic_number);
   if (!s.ok()) {
     return s;
   }
@@ -341,8 +347,9 @@ Status FindMetaBlock(RandomAccessFileReader* file, uint64_t file_size,
   BlockContents metaindex_contents;
   ReadOptions read_options;
   read_options.verify_checksums = false;
-  s = ReadBlockContents(file, footer, read_options, metaindex_handle,
-                        &metaindex_contents, ioptions, false /* do decompression */);
+  s = ReadBlockContents(file, nullptr /* prefetch_buffer */, footer,
+                        read_options, metaindex_handle, &metaindex_contents,
+                        ioptions, false /* do decompression */);
   if (!s.ok()) {
     return s;
   }
@@ -355,14 +362,16 @@ Status FindMetaBlock(RandomAccessFileReader* file, uint64_t file_size,
   return FindMetaBlock(meta_iter.get(), meta_block_name, block_handle);
 }
 
-Status ReadMetaBlock(RandomAccessFileReader* file, uint64_t file_size,
+Status ReadMetaBlock(RandomAccessFileReader* file,
+                     FilePrefetchBuffer* prefetch_buffer, uint64_t file_size,
                      uint64_t table_magic_number,
-                     const ImmutableCFOptions &ioptions,
+                     const ImmutableCFOptions& ioptions,
                      const std::string& meta_block_name,
                      BlockContents* contents) {
   Status status;
   Footer footer;
-  status = ReadFooterFromFile(file, file_size, &footer, table_magic_number);
+  status = ReadFooterFromFile(file, prefetch_buffer, file_size, &footer,
+                              table_magic_number);
   if (!status.ok()) {
     return status;
   }
@@ -372,8 +381,8 @@ Status ReadMetaBlock(RandomAccessFileReader* file, uint64_t file_size,
   BlockContents metaindex_contents;
   ReadOptions read_options;
   read_options.verify_checksums = false;
-  status = ReadBlockContents(file, footer, read_options, metaindex_handle,
-                             &metaindex_contents, ioptions,
+  status = ReadBlockContents(file, prefetch_buffer, footer, read_options,
+                             metaindex_handle, &metaindex_contents, ioptions,
                              false /* decompress */);
   if (!status.ok()) {
     return status;
@@ -394,8 +403,9 @@ Status ReadMetaBlock(RandomAccessFileReader* file, uint64_t file_size,
   }
 
   // Reading metablock
-  return ReadBlockContents(file, footer, read_options, block_handle, contents,
-                           ioptions, false /* decompress */);
+  return ReadBlockContents(file, prefetch_buffer, footer, read_options,
+                           block_handle, contents, ioptions,
+                           false /* decompress */);
 }
 
 }  // namespace rocksdb
diff --git a/table/meta_blocks.h b/table/meta_blocks.h
index ddb685360d68be9fbdd1f6fc563b72139cb33092..220985d9e10a946003dc0a4e7661ad5657064dcf 100644
--- a/table/meta_blocks.h
+++ b/table/meta_blocks.h
@@ -94,7 +94,8 @@ bool NotifyCollectTableCollectorsOnFinish(
 //          *table_properties will point to a heap-allocated TableProperties
 //          object, otherwise value of `table_properties` will not be modified.
 Status ReadProperties(const Slice& handle_value, RandomAccessFileReader* file,
-                      const Footer& footer, const ImmutableCFOptions &ioptions,
+                      FilePrefetchBuffer* prefetch_buffer, const Footer& footer,
+                      const ImmutableCFOptions& ioptions,
                       TableProperties** table_properties);
 
 // Directly read the properties from the properties block of a plain table.
@@ -121,9 +122,10 @@ Status FindMetaBlock(RandomAccessFileReader* file, uint64_t file_size,
 // Read the specified meta block with name meta_block_name
 // from `file` and initialize `contents` with contents of this block.
 // Return Status::OK in case of success.
-Status ReadMetaBlock(RandomAccessFileReader* file, uint64_t file_size,
+Status ReadMetaBlock(RandomAccessFileReader* file,
+                     FilePrefetchBuffer* prefetch_buffer, uint64_t file_size,
                      uint64_t table_magic_number,
-                     const ImmutableCFOptions &ioptions,
+                     const ImmutableCFOptions& ioptions,
                      const std::string& meta_block_name,
                      BlockContents* contents);
 
diff --git a/table/partitioned_filter_block.cc b/table/partitioned_filter_block.cc
index 2b330039e50519b207483591e359e8c80c98d824..d3d7949d09f711073813dac8c2d9f835bcc071f4 100644
--- a/table/partitioned_filter_block.cc
+++ b/table/partitioned_filter_block.cc
@@ -132,7 +132,8 @@ bool PartitionedFilterBlockReader::KeyMayMatch(
     return false;
   }
   bool cached = false;
-  auto filter_partition = GetFilterPartition(&filter_handle, no_io, &cached);
+  auto filter_partition = GetFilterPartition(nullptr /* prefetch_buffer */,
+                                             &filter_handle, no_io, &cached);
   if (UNLIKELY(!filter_partition.value)) {
     return true;
   }
@@ -164,7 +165,8 @@ bool PartitionedFilterBlockReader::PrefixMayMatch(
     return false;
   }
   bool cached = false;
-  auto filter_partition = GetFilterPartition(&filter_handle, no_io, &cached);
+  auto filter_partition = GetFilterPartition(nullptr /* prefetch_buffer */,
+                                             &filter_handle, no_io, &cached);
   if (UNLIKELY(!filter_partition.value)) {
     return true;
   }
@@ -194,9 +196,9 @@ Slice PartitionedFilterBlockReader::GetFilterPartitionHandle(
 }
 
 BlockBasedTable::CachableEntry<FilterBlockReader>
-PartitionedFilterBlockReader::GetFilterPartition(Slice* handle_value,
-                                                 const bool no_io,
-                                                 bool* cached) {
+PartitionedFilterBlockReader::GetFilterPartition(
+    FilePrefetchBuffer* prefetch_buffer, Slice* handle_value, const bool no_io,
+    bool* cached) {
   BlockHandle fltr_blk_handle;
   auto s = fltr_blk_handle.DecodeFrom(handle_value);
   assert(s.ok());
@@ -232,7 +234,8 @@ PartitionedFilterBlockReader::GetFilterPartition(Slice* handle_value,
     }
     return filter;
   } else {
-    auto filter = table_->ReadFilter(fltr_blk_handle, is_a_filter_partition);
+    auto filter = table_->ReadFilter(prefetch_buffer, fltr_blk_handle,
+                                     is_a_filter_partition);
     return {filter, nullptr};
   }
 }
diff --git a/table/partitioned_filter_block.h b/table/partitioned_filter_block.h
index 6c4a5d7b9d2e5973d8f83ae29b025c536b49e0e4..d408175390fbef4e09167d4de8e5b3ecf8daabc0 100644
--- a/table/partitioned_filter_block.h
+++ b/table/partitioned_filter_block.h
@@ -86,7 +86,8 @@ class PartitionedFilterBlockReader : public FilterBlockReader {
  private:
   Slice GetFilterPartitionHandle(const Slice& entry);
   BlockBasedTable::CachableEntry<FilterBlockReader> GetFilterPartition(
-      Slice* handle, const bool no_io, bool* cached);
+      FilePrefetchBuffer* prefetch_buffer, Slice* handle, const bool no_io,
+      bool* cached);
 
   const SliceTransform* prefix_extractor_;
   std::unique_ptr<Block> idx_on_fltr_blk_;
diff --git a/table/plain_table_reader.cc b/table/plain_table_reader.cc
index 92933b34ba154a14067dbdc0ac0f4fb9543cb62f..d4d9edb741292358ef1c6a5481dfb251fb678d6c 100644
--- a/table/plain_table_reader.cc
+++ b/table/plain_table_reader.cc
@@ -291,9 +291,10 @@ Status PlainTableReader::PopulateIndex(TableProperties* props,
   table_properties_.reset(props);
 
   BlockContents index_block_contents;
-  Status s = ReadMetaBlock(
-      file_info_.file.get(), file_size_, kPlainTableMagicNumber, ioptions_,
-      PlainTableIndexBuilder::kPlainTableIndexBlock, &index_block_contents);
+  Status s = ReadMetaBlock(file_info_.file.get(), nullptr /* prefetch_buffer */,
+                           file_size_, kPlainTableMagicNumber, ioptions_,
+                           PlainTableIndexBuilder::kPlainTableIndexBlock,
+                           &index_block_contents);
 
   bool index_in_file = s.ok();
 
@@ -301,9 +302,9 @@ Status PlainTableReader::PopulateIndex(TableProperties* props,
   bool bloom_in_file = false;
   // We only need to read the bloom block if index block is in file.
   if (index_in_file) {
-    s = ReadMetaBlock(file_info_.file.get(), file_size_, kPlainTableMagicNumber,
-                      ioptions_, BloomBlockBuilder::kBloomBlock,
-                      &bloom_block_contents);
+    s = ReadMetaBlock(file_info_.file.get(), nullptr /* prefetch_buffer */,
+                      file_size_, kPlainTableMagicNumber, ioptions_,
+                      BloomBlockBuilder::kBloomBlock, &bloom_block_contents);
     bloom_in_file = s.ok() && bloom_block_contents.data.size() > 0;
   }
 
diff --git a/tools/sst_dump_tool.cc b/tools/sst_dump_tool.cc
index e6322f8b4d98bc6e7c2e1f90428608457f95b985..fa89e6cdd6acc9e31e5779cd4df7a0c1afb344fd 100644
--- a/tools/sst_dump_tool.cc
+++ b/tools/sst_dump_tool.cc
@@ -79,7 +79,8 @@ Status SstFileReader::GetTableReader(const std::string& file_path) {
   file_.reset(new RandomAccessFileReader(std::move(file), file_path));
 
   if (s.ok()) {
-    s = ReadFooterFromFile(file_.get(), file_size, &footer);
+    s = ReadFooterFromFile(file_.get(), nullptr /* prefetch_buffer */,
+                           file_size, &footer);
   }
   if (s.ok()) {
     magic_number = footer.table_magic_number();
diff --git a/util/file_reader_writer.cc b/util/file_reader_writer.cc
index 22ab7128781516f4c61c7590cfb35be303ec4011..f46b78fa06b0810ad964f15719231070ba98ce27 100644
--- a/util/file_reader_writer.cc
+++ b/util/file_reader_writer.cc
@@ -603,6 +603,34 @@ class ReadaheadRandomAccessFile : public RandomAccessFile {
 };
 }  // namespace
 
+Status FilePrefetchBuffer::Prefetch(RandomAccessFileReader* reader,
+                                    uint64_t offset, size_t n) {
+  size_t alignment = reader->file()->GetRequiredBufferAlignment();
+  uint64_t roundup_offset = Roundup(offset, alignment);
+  uint64_t roundup_len = Roundup(n, alignment);
+  buffer_.Alignment(alignment);
+  buffer_.AllocateNewBuffer(roundup_len);
+
+  Slice result;
+  Status s =
+      reader->Read(roundup_offset, roundup_len, &result, buffer_.BufferStart());
+  if (s.ok()) {
+    buffer_offset_ = roundup_offset;
+    buffer_len_ = result.size();
+  }
+  return s;
+}
+
+bool FilePrefetchBuffer::TryReadFromCache(uint64_t offset, size_t n,
+                                          Slice* result) const {
+  if (offset < buffer_offset_ || offset + n > buffer_offset_ + buffer_len_) {
+    return false;
+  }
+  uint64_t offset_in_buffer = offset - buffer_offset_;
+  *result = Slice(buffer_.BufferStart() + offset_in_buffer, n);
+  return true;
+}
+
 std::unique_ptr<RandomAccessFile> NewReadaheadRandomAccessFile(
     std::unique_ptr<RandomAccessFile>&& file, size_t readahead_size) {
   std::unique_ptr<RandomAccessFile> result(
diff --git a/util/file_reader_writer.h b/util/file_reader_writer.h
index deed73c38dfddc1644417e8ab59eef59e99a8939..9be6924582bc512b3d6cb6e9aed6d9d5eff6d07b 100644
--- a/util/file_reader_writer.h
+++ b/util/file_reader_writer.h
@@ -196,6 +196,17 @@ class WritableFileWriter {
   Status SyncInternal(bool use_fsync);
 };
 
+class FilePrefetchBuffer {
+ public:
+  Status Prefetch(RandomAccessFileReader* reader, uint64_t offset, size_t n);
+  bool TryReadFromCache(uint64_t offset, size_t n, Slice* result) const;
+
+ private:
+  AlignedBuffer buffer_;
+  uint64_t buffer_offset_;
+  size_t buffer_len_;
+};
+
 extern Status NewWritableFile(Env* env, const std::string& fname,
                               unique_ptr<WritableFile>* result,
                               const EnvOptions& options);