Fix formatting in log message

Summary:
Add missing space.
Closes https://github.com/facebook/rocksdb/pull/3826

Differential Revision: D7956059

Pulled By: miasantreble

fbshipit-source-id: 3aeba76385f8726399a3086c46de710636a31191

db/compaction_picker.cc

@@ -477,7 +477,7 @@ bool CompactionPicker::SetupOtherInputs(
       ROCKS_LOG_INFO(ioptions_.info_log,
                      "[%s] Expanding@%d %" ROCKSDB_PRIszt "+%" ROCKSDB_PRIszt
                      "(%" PRIu64 "+%" PRIu64 " bytes) to %" ROCKSDB_PRIszt
-                     "+%" ROCKSDB_PRIszt " (%" PRIu64 "+%" PRIu64 "bytes)\n",
+                     "+%" ROCKSDB_PRIszt " (%" PRIu64 "+%" PRIu64 " bytes)\n",
                      cf_name.c_str(), input_level, inputs->size(),
                      output_level_inputs->size(), inputs_size,
                      output_level_inputs_size, expanded_inputs.size(),

db/repair.cc

@@ -205,7 +205,7 @@ class Repairer {
       ROCKS_LOG_WARN(db_options_.info_log,
                      "**** Repaired rocksdb %s; "
                      "recovered %" ROCKSDB_PRIszt " files; %" PRIu64
-                     "bytes. "
+                     " bytes. "
                      "Some data may have been lost. "
                      "****",
                      dbname_.c_str(), tables_.size(), bytes);

utilities/blob_db/blob_db_impl.cc

@@ -1068,7 +1068,7 @@ Status BlobDBImpl::GetBlobValue(const Slice& key, const Slice& index_entry,
                     "Failed to read blob from blob file %" PRIu64
                     ", blob_offset: %" PRIu64 ", blob_size: %" PRIu64
                     ", key_size: " PRIu64 ", read " PRIu64
-                    "bytes, status: '%s'",
+                    " bytes, status: '%s'",
                     bfile->BlobFileNumber(), blob_index.offset(),
                     blob_index.size(), key.size(), s.ToString().c_str());
     return s;
@@ -1078,7 +1078,7 @@ Status BlobDBImpl::GetBlobValue(const Slice& key, const Slice& index_entry,
                     "Failed to read blob from blob file %" PRIu64
                     ", blob_offset: %" PRIu64 ", blob_size: %" PRIu64
                     ", key_size: " PRIu64 ", read " PRIu64
-                    "bytes, status: '%s'",
+                    " bytes, status: '%s'",
                     bfile->BlobFileNumber(), blob_index.offset(),
                     blob_index.size(), key.size(), s.ToString().c_str());