- 02 9月, 2016 3 次提交
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由 sdong 提交于
Merge options source_compaction_factor, max_grandparent_overlap_bytes and expanded_compaction_factor into max_compaction_bytes Summary: To reduce number of options, merge source_compaction_factor, max_grandparent_overlap_bytes and expanded_compaction_factor into max_compaction_bytes. Test Plan: Add two new unit tests. Run all existing tests, including jtest. Reviewers: yhchiang, igor, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: leveldb, andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D59829
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由 Aaron Gao 提交于
Summary: basically for SimCache stats. I find most times it is hard to pass Statistics* to SimCache constructor. Test Plan: make all check Reviewers: andrewkr, sdong, yiwu Reviewed By: yiwu Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62193
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由 Sherlock 提交于
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- 01 9月, 2016 4 次提交
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由 Islam AbdelRahman 提交于
Summary: not sure why travis complain about this line, works fine on my mac Test Plan: run on my mac Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D63045
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由 Kien-hung Li 提交于
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由 Andrew Kryczka 提交于
Summary: To reduce contention for atomics when HistogramStats are shared across threads, this diff makes them thread-specific so updates are faster. This comes at the expense of slower reads (much less frequent), which now require merging all histograms. In this diff, - Thread-specific HistogramImpl is created upon the thread's first measureTime() - Thread-specific HistogramImpl are merged and deleted upon thread termination or ThreadLocalPtr destruction, whichever comes first - getHistogramString() and histogramData() merge all histograms, both thread-specific and previously merged ones Test Plan: unit tests, ran db_bench and verified histograms look similar before: $ TEST_TMPDIR=/dev/shm/ perf record -g ./db_bench --benchmarks=readwhilewriting --statistics --num=1000000 --use_existing_db --threads=64 --cache_size=250000000 --compression_type=lz4 ... + 7.63% db_bench db_bench [.] rocksdb::HistogramStat::Add after: $ TEST_TMPDIR=/dev/shm/ perf record -g ./db_bench --benchmarks=readwhilewriting --statistics --num=1000000 --use_existing_db --threads=64 --cache_size=250000000 --compression_type=lz4 ... + 0.98% db_bench db_bench [.] rocksdb::HistogramStat::Add Reviewers: sdong, MarkCallaghan, kradhakrishnan, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62649
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由 Aaron Gao 提交于
Summary: add prefix_seek_mode to db_iter_test to enable data race test for iterator when prefix_extractor != nullptr Test Plan: make all check -j64 Reviewers: andrewkr, IslamAbdelRahman, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D63027
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- 31 8月, 2016 4 次提交
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由 Yi Wu 提交于
Summary: Fix ClockCache memory leak found by valgrind: # Add destructor to cleanup cached values. # Delete key with cache handle immediately after handle is recycled, and erase table entry immediately if duplicated cache entry is inserted. Test Plan: make DISABLE_JEMALLOC=1 valgrind_check Reviewers: IslamAbdelRahman, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62973
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由 Islam AbdelRahman 提交于
Summary: Fix travis for mac by using gflags package instead of doing `brew install` Test Plan: https://travis-ci.org/facebook/rocksdb/builds/156358515 Reviewers: sdong, andrewkr, lightmark, yiwu Reviewed By: yiwu Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62997
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由 Aaron Gao 提交于
Summary: core dump when run `./db_stress --max_background_compactions=1 --max_write_buffer_number=3 --sync=0 --reopen=20 --write_buffer_size=33554432 --delpercent=5 --log2_keys_per_lock=10 --block_size=16384 --allow_concurrent_memtable_write=1 --test_batches_snapshots=0 --max_bytes_for_level_base=67108864 --progress_reports=0 --mmap_read=1 --kill_prefix_blacklist=WritableFileWriter::Append,WritableFileWriter::WriteBuffered --writepercent=35 --disable_data_sync=0 --readpercent=50 --subcompactions=3 --ops_per_thread=20000000 --memtablerep=skip_list --prefix_size=0 --target_file_size_multiplier=1 --column_families=1 --db=/dev/shm/rocksdb/rocksdb_crashtest_whitebox --threads=32 --disable_wal=0 --open_files=500000 --destroy_db_initially=0 --target_file_size_base=16777216 --nooverwritepercent=1 --iterpercent=10 --max_key=100000000 --prefixpercent=0 --use_clock_cache=false --kill_random_test=189 --cache_size=1048576 --verify_checksum=1` Actually the relevant flag is `--threads`, data race when --thread > 1 cause problem. It is possible that multiple threads read/write memtable simultaneously. After one thread calls Prev(), another thread may insert a new key just between the current key and the key next, which may cause the assert(current_ == CurrentForward()) failure when the first thread calls Next() again if in prefix seek mode Test Plan: rerun db_stress with >1 thread / make all check -j64 Reviewers: sdong, andrewkr, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62979
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由 Aaron Gao 提交于
Summary: patch for D62361 Test Plan: make all check Reviewers: sdong Reviewed By: sdong Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62883
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- 30 8月, 2016 3 次提交
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由 Joel Marcey 提交于
Summary: Update the docs `README.md` to be more specific to RocksDB as opposed to the more generic information that is there now. Test Plan: visual Reviewers: lgalanis, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62733
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由 Aaron Gao 提交于
Summary: As title, make sure Prev() works as expected with Next() when the current iter->key() in the range of the same prefix in prefix seek mode Test Plan: make all check -j64 (add prefix_test with PrefixSeekModePrev test case) Reviewers: andrewkr, sdong, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: yoshinorim, andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D61419
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由 Yi Wu 提交于
Summary: Refactor cache_test to get around gtest valgrind failure. Test Plan: make valgrind_check Reviewers: sdong, kradhakrishnan, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62817
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- 29 8月, 2016 1 次提交
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由 Adam Retter 提交于
* Fix the download location of Snappy, no longer available from Google Code * Ensure that curl follows any redirect headers when downloading binaries
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- 27 8月, 2016 5 次提交
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由 Islam AbdelRahman 提交于
Summary: Add ReadOptions::read_amp_bytes_per_bit option which allow us to create a bitmap for every data block we read the bitmap will contain (block_size / read_amp_bytes_per_bit) bits. We will use this bitmap to mark which bytes have been used of the block so we can calculate the read amplification Test Plan: added new tests Reviewers: andrewkr, yhchiang, sdong Reviewed By: sdong Subscribers: yiwu, leveldb, march, andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D58707
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由 Aaron Gao 提交于
Summary: Make sure prefix extractor name is stored in SST files and if DB is opened with a prefix extractor of a different name, prefix bloom is skipped when read the file. Also add unit tests for that. Test Plan: before change: ``` Note: Google Test filter = BlockBasedTableTest.SkipPrefixBloomFilter [==========] Running 1 test from 1 test case. [----------] Global test environment set-up. [----------] 1 test from BlockBasedTableTest [ RUN ] BlockBasedTableTest.SkipPrefixBloomFilter table/table_test.cc:1421: Failure Value of: db_iter->Valid() Actual: false Expected: true [ FAILED ] BlockBasedTableTest.SkipPrefixBloomFilter (1 ms) [----------] 1 test from BlockBasedTableTest (1 ms total) [----------] Global test environment tear-down [==========] 1 test from 1 test case ran. (1 ms total) [ PASSED ] 0 tests. [ FAILED ] 1 test, listed below: [ FAILED ] BlockBasedTableTest.SkipPrefixBloomFilter 1 FAILED TEST ``` after: ``` Note: Google Test filter = BlockBasedTableTest.SkipPrefixBloomFilter [==========] Running 1 test from 1 test case. [----------] Global test environment set-up. [----------] 1 test from BlockBasedTableTest [ RUN ] BlockBasedTableTest.SkipPrefixBloomFilter [ OK ] BlockBasedTableTest.SkipPrefixBloomFilter (0 ms) [----------] 1 test from BlockBasedTableTest (0 ms total) [----------] Global test environment tear-down [==========] 1 test from 1 test case ran. (0 ms total) [ PASSED ] 1 test. ``` Reviewers: sdong, andrewkr, yiwu, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D61215
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由 Aaron Gao 提交于
Summary: as title Test Plan: make all check Reviewers: yiwu Reviewed By: yiwu Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62493
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由 Islam AbdelRahman 提交于
Summary: This diff split ThreadPool to -ThreadPool (abstract interface exposed in include/rocksdb/threadpool.h) -ThreadPoolImpl (actual implementation in util/threadpool_imp.h) This allow us to expose ThreadPool to the user so we can use it as an option later Test Plan: existing unit tests Reviewers: andrewkr, yiwu, yhchiang, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62085
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由 Justin T. Gibbs 提交于
Summary: Update History.md to reflect recent change that ensures unpersisted data is flushed even if clients call CancelAllBackgroundWork() directly. Test Plan: Review rendering of markdown. Reviewers: sdong Reviewed By: sdong Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62703
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- 26 8月, 2016 8 次提交
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由 sdong 提交于
Summary: After 1b8a2e8f, DB Pointer is passed to WriteBatchInternal::InsertInto() while DB recovery. This can cause deadlock if options.max_successive_merges hits. In that case DB::Get() will be called. Get() will try to acquire the DB mutex, which is already held by the DB::Open(), causing a deadlock condition. This commit mitigates the problem by not passing the DB pointer unless 2PC is allowed. Test Plan: Add a new test and run it. Reviewers: IslamAbdelRahman, andrewkr, kradhakrishnan, horuff Reviewed By: kradhakrishnan Subscribers: leveldb, andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62625
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由 Islam AbdelRahman 提交于
[db_bench] Support single benchmark arguments (Repeat for X times, Warm up for X times), Support CombinedStats (AVG / MEDIAN) Summary: This diff allow us to run a single benchmark X times and warm it up for Y times. and see the AVG & MEDIAN throughput of these X runs for example ``` $ ./db_bench --benchmarks="fillseq,readseq[X5-W2]" Initializing RocksDB Options from the specified file Initializing RocksDB Options from command-line flags RocksDB: version 4.12 Date: Wed Aug 24 10:45:26 2016 CPU: 32 * Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz CPUCache: 20480 KB Keys: 16 bytes each Values: 100 bytes each (50 bytes after compression) Entries: 1000000 Prefix: 0 bytes Keys per prefix: 0 RawSize: 110.6 MB (estimated) FileSize: 62.9 MB (estimated) Write rate: 0 bytes/second Compression: Snappy Memtablerep: skip_list Perf Level: 1 WARNING: Assertions are enabled; benchmarks unnecessarily slow ------------------------------------------------ Initializing RocksDB Options from the specified file Initializing RocksDB Options from command-line flags DB path: [/tmp/rocksdbtest-8616/dbbench] fillseq : 4.695 micros/op 212971 ops/sec; 23.6 MB/s DB path: [/tmp/rocksdbtest-8616/dbbench] Warming up benchmark by running 2 times readseq : 0.214 micros/op 4677005 ops/sec; 517.4 MB/s readseq : 0.212 micros/op 4706834 ops/sec; 520.7 MB/s Running benchmark for 5 times readseq : 0.218 micros/op 4588187 ops/sec; 507.6 MB/s readseq : 0.208 micros/op 4816538 ops/sec; 532.8 MB/s readseq : 0.213 micros/op 4685376 ops/sec; 518.3 MB/s readseq : 0.214 micros/op 4676787 ops/sec; 517.4 MB/s readseq : 0.217 micros/op 4618532 ops/sec; 510.9 MB/s readseq [AVG 5 runs] : 4677084 ops/sec; 517.4 MB/sec readseq [MEDIAN 5 runs] : 4676787 ops/sec; 517.4 MB/sec ``` Test Plan: run db_bench Reviewers: sdong, andrewkr, yhchiang Reviewed By: yhchiang Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62235
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由 Islam AbdelRahman 提交于
Summary: Instead of doing a cat for all the log files, we first sort them and by exit code and cat the failing tests at the end. This will make it easier to debug failing tests, since we will just need to look at the end of the logs instead of searching in them Test Plan: run it locally Reviewers: sdong, yiwu, lightmark, kradhakrishnan, yhchiang, andrewkr Reviewed By: andrewkr Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62211
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由 Justin Gibbs 提交于
Summary: Move the manual memtable flush for databases containing data that has bypassed the WAL from DBImpl's destructor to CancleAllBackgroundWork(). CancelAllBackgroundWork() is a publicly exposed API which allows async operations performed by background threads to be disabled on a database. In effect, this places the database into a "shutdown" state in advance of calling the database object's destructor. No compactions or flushing of SST files can occur once a call to this API completes. When writes are issued to a database with WriteOptions::disableWAL set to true, DBImpl::has_unpersisted_data_ is set so that memtables can be flushed when the database object is destroyed. If CancelAllBackgroundWork() has been called prior to DBImpl's destructor, this flush operation is not possible and is skipped, causing unnecessary loss of data. Since CancelAllBackgroundWork() is already invoked by DBImpl's destructor in order to perform the thread join portion of its cleanup processing, moving the manual memtable flush to CancelAllBackgroundWork() ensures data is persisted regardless of client behavior. Test Plan: Write an amount of data that will not cause a memtable flush to a rocksdb database with all writes marked with WriteOptions::disableWAL. Properly "close" the database. Reopen database and verify that the data was persisted. Reviewers: IslamAbdelRahman, yiwu, yoshinorim, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62277
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由 Islam AbdelRahman 提交于
Summary: I just realized that when we run parallel valgrind we actually don't run the parallel tests under valgrind (we run the normally) This patch make sure that we run both parallel and non-parallel tests with valgrind Test Plan: DISABLE_JEMALLOC=1 make valgrind_check -j64 Reviewers: andrewkr, yiwu, lightmark, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62469
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由 Andrew Kryczka 提交于
Summary: see discussion in D62337 Test Plan: unit tests Reviewers: sdong Reviewed By: sdong Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62577
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由 Alex Robinson 提交于
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由 Adam Retter 提交于
Fix the Windows build of RocksDB Java. Similar to https://github.com/facebook/rocksdb/issues/1220 (#1284)
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- 25 8月, 2016 5 次提交
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由 Mike Kolupaev 提交于
Summary: We've got a crash with this stack trace: Program terminated with signal SIGTRAP, Trace/breakpoint trap. #0 0x00007fc85f2f4009 in raise () from /usr/local/fbcode/gcc-4.9-glibc-2.20-fb/lib/libpthread.so.0 #1 0x00000000005c8f61 in facebook::logdevice::handle_sigsegv(int) () at logdevice/server/sigsegv.cpp:159 #2 0x00007fc85f2f4150 in <signal handler called> () at /usr/local/fbcode/gcc-4.9-glibc-2.20-fb/lib/libpthread.so.0 #3 0x00000000031ed80c in rocksdb::NewReadaheadRandomAccessFile() at util/file_reader_writer.cc:383 #4 0x00000000031ed80c in rocksdb::NewReadaheadRandomAccessFile() at util/file_reader_writer.cc:472 #5 0x00000000031558e7 in rocksdb::TableCache::GetTableReader() at db/table_cache.cc:99 #6 0x0000000003156329 in rocksdb::TableCache::NewIterator() at db/table_cache.cc:198 #7 0x0000000003166568 in rocksdb::VersionSet::MakeInputIterator() at db/version_set.cc:3345 #8 0x000000000324a94f in rocksdb::CompactionJob::ProcessKeyValueCompaction(rocksdb::CompactionJob::SubcompactionState*) () at db/compaction_job.cc:650 #9 0x000000000324c2f6 in rocksdb::CompactionJob::Run() () at db/compaction_job.cc:530 #10 0x00000000030f5ae5 in rocksdb::DBImpl::BackgroundCompaction() at db/db_impl.cc:3269 #11 0x0000000003108d36 in rocksdb::DBImpl::BackgroundCallCompaction(void*) () at db/db_impl.cc:2970 #12 0x00000000029a2a9a in facebook::logdevice::RocksDBEnv::callback(void*) () at logdevice/server/locallogstore/RocksDBEnv.cpp:26 #13 0x00000000029a2a9a in facebook::logdevice::RocksDBEnv::callback(void*) () at logdevice/server/locallogstore/RocksDBEnv.cpp:30 #14 0x00000000031e7521 in rocksdb::ThreadPool::BGThread() at util/threadpool.cc:230 #15 0x00000000031e7663 in rocksdb::BGThreadWrapper(void*) () at util/threadpool.cc:254 #16 0x00007fc85f2ea7f1 in start_thread () at /usr/local/fbcode/gcc-4.9-glibc-2.20-fb/lib/libpthread.so.0 #17 0x00007fc85e8fb46d in clone () at /usr/local/fbcode/gcc-4.9-glibc-2.20-fb/lib/libc.so.6 From looking at the code, probably what happened is this: - `TableCache::GetTableReader()` called `Env::NewRandomAccessFile()`, which dispatched to a `PosixEnv::NewRandomAccessFile()`, where probably an `open()` call failed, so the `NewRandomAccessFile()` left a nullptr in the resulting file, - `TableCache::GetTableReader()` called `NewReadaheadRandomAccessFile()` with that `nullptr` file, - it tried to call file's method and crashed. This diff is a trivial fix to this crash. Test Plan: `make -j check` Reviewers: sdong, andrewkr, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62451
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由 Andrew Kryczka 提交于
Summary: The global atomics we previously used for tickers had poor cache performance since they were typically updated from different threads, causing frequent invalidations. In this diff, - recordTick() updates a local ticker value specific to the thread in which it was called - When a thread exits, its local ticker value is added into merged_sum - getTickerCount() returns the sum of all threads' local ticker values and the merged_sum - setTickerCount() resets all threads' local ticker values and sets merged_sum to the value provided by the caller. In a next diff I will make a similar change for histogram stats. Test Plan: before: $ TEST_TMPDIR=/dev/shm/ perf record -g ./db_bench --benchmarks=readwhilewriting --statistics --num=1000000 --use_existing_db --threads=64 --cache_size=250000000 --compression_type=lz4 $ perf report -g --stdio | grep recordTick 7.59% db_bench db_bench [.] rocksdb::StatisticsImpl::recordTick ... after: $ TEST_TMPDIR=/dev/shm/ perf record -g ./db_bench --benchmarks=readwhilewriting --statistics --num=1000000 --use_existing_db --threads=64 --cache_size=250000000 --compression_type=lz4 $ perf report -g --stdio | grep recordTick 1.46% db_bench db_bench [.] rocksdb::StatisticsImpl::recordTick ... Reviewers: kradhakrishnan, MarkCallaghan, IslamAbdelRahman, sdong Reviewed By: sdong Subscribers: yiwu, andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62337
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由 Joel Marcey 提交于
This is the initial commit with the templates necessary to have our RocksDB user documentation hosted on GitHub pages. Ensure you meet requirements here: https://help.github.com/articles/setting-up-your-github-pages-site-locally-with-jekyll/#requirements Then you can run this right now by doing the following: ``` % bundle install % bundle exec jekyll serve --config=_config.yml,_config_local_dev.yml ``` Then go to: http://127.0.0.1:4000/ Obviously, this is just the skeleton. Moving forward we will do these things in separate pull requests: - Replace logos with RocksDB logos - Update the color schemes - Add current information on rocksdb.org to markdown in this infra - Migrate current Wodpress blog to Jekyll and Disqus comments - Etc.
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由 Islam AbdelRahman 提交于
Summary: Disable flaky test Test Plan: run it Reviewers: yiwu, andrewkr, kradhakrishnan, yhchiang, lightmark, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D62487
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由 Yi Wu 提交于
Summary: Tempororily disable clock cache in db_crashtest while we investigate data race issue with clock cache. Test Plan: python ./tools/db_crashtest.py blackbox Reviewers: sdong, lightmark, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62481
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- 24 8月, 2016 6 次提交
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由 Aaron Gao 提交于
Summary: fixed data race described in https://github.com/facebook/rocksdb/issues/1267 and add regression test Test Plan: ./table_test --gtest_filter=BlockBasedTableTest.NewIndexIteratorLeak make all check -j64 core dump before fix. ok after fix. Reviewers: andrewkr, sdong Reviewed By: sdong Subscribers: igor, andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62361
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由 Yi Wu 提交于
Summary: We used to allow insert into full block cache as long as `strict_capacity_limit=false`. This diff further restrict insert to full cache if caller don't intent to hold handle to the cache entry after insert. Hope this diff fix the assertion failure with db_stress: https://our.intern.facebook.com/intern/sandcastle/log/?instance_id=211853102&step_id=2475070014 db_stress: util/lru_cache.cc:278: virtual void rocksdb::LRUCacheShard::Release(rocksdb::Cache::Handle*): Assertion `lru_.next == &lru_' failed. The assertion at lru_cache.cc:278 can fail when an entry is inserted into full cache and stay in LRU list. Test Plan: make all check Reviewers: IslamAbdelRahman, lightmark, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62325
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由 Yi Wu 提交于
Summary: Add option to block based table to insert index/filter blocks to block cache with priority. Combined with LRUCache with high_pri_pool_ratio, we can reserved space for index/filter blocks, make them less likely to be evicted. Depends on D61977. Test Plan: See unit test. Reviewers: lightmark, IslamAbdelRahman, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba, march, leveldb Differential Revision: https://reviews.facebook.net/D62241
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由 Yi Wu 提交于
Summary: ..to unblock TSAN contbuild. Test Plan: COMPILE_WITH_TSAN=1 make db_stress -j64 ./db_stress --use_clock_cache=true Reviewers: sdong, lightmark, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62397
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由 Andrew Kryczka 提交于
Summary: make the variables static so capturing is unnecessary since I couldn't find a portable way to capture variables in a lambda that's converted to a C-style pointer-to-function. Test Plan: https://ci.appveyor.com/project/Facebook/rocksdb/build/1.0.1658 Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62403
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由 Andrew Kryczka 提交于
Summary: there was an error when accessing kItersPerThread in the lambda: https://ci.appveyor.com/project/Facebook/rocksdb/build/1.0.1654 Test Plan: doitlive Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62379
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- 23 8月, 2016 1 次提交
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由 Andrew Kryczka 提交于
Summary: This function allows the user to provide a custom function to fold all threads' local data. It will be used in my next diff for aggregating statistics stored in thread-local data. Note the test case uses atomics as thread-local values due to the synchronization requirement (documented in code). Test Plan: unit test Reviewers: yhchiang, sdong, kradhakrishnan Reviewed By: kradhakrishnan Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D62049
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