Fix missing BYTES_PER_WRITE for pipeline write #2
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Summary: Closes facebook#2862 Differential Revision: D5805638 Pulled By: yiwu-arbug fbshipit-source-id: 72d38c74395690023a719f400daff01527645a17
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solotzg
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Nov 9, 2018
…_family_test (facebook#4474) Summary: this should fix the current failing TSAN jobs: The callstack for TSAN: > WARNING: ThreadSanitizer: data race (pid=87440) Read of size 8 at 0x7d580000fce0 by thread T22 (mutexes: write M548703): #0 rocksdb::InternalStats::DumpCFStatsNoFileHistogram(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) db/internal_stats.cc:1204 (column_family_test+0x00000080eca7) #1 rocksdb::InternalStats::DumpCFStats(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) db/internal_stats.cc:1169 (column_family_test+0x0000008106d0) tikv#2 rocksdb::InternalStats::HandleCFStats(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, rocksdb::Slice) db/internal_stats.cc:578 (column_family_test+0x000000810720) tikv#3 rocksdb::InternalStats::GetStringProperty(rocksdb::DBPropertyInfo const&, rocksdb::Slice const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) db/internal_stats.cc:488 (column_family_test+0x00000080670c) tikv#4 rocksdb::DBImpl::DumpStats() db/db_impl.cc:625 (column_family_test+0x00000070ce9a) > Previous write of size 8 at 0x7d580000fce0 by main thread: #0 rocksdb::InternalStats::AddCFStats(rocksdb::InternalStats::InternalCFStatsType, unsigned long) db/internal_stats.h:324 (column_family_test+0x000000693bbf) #1 rocksdb::ColumnFamilyData::RecalculateWriteStallConditions(rocksdb::MutableCFOptions const&) db/column_family.cc:818 (column_family_test+0x000000693bbf) tikv#2 rocksdb::ColumnFamilyTest_WriteStallSingleColumnFamily_Test::TestBody() db/column_family_test.cc:2563 (column_family_test+0x0000005e5a49) Pull Request resolved: facebook#4474 Differential Revision: D10262099 Pulled By: miasantreble fbshipit-source-id: 1247973a3ca32e399b4575d3401dd5439c39efc5
Connor1996
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Oct 26, 2019
WritableFile support async append
tabokie
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May 9, 2022
…n opening Posix WritableFile (facebook#9685) Summary: Pull Request resolved: facebook#9685 Our TSAN reports a race condition as follows when running test ``` gtest-parallel -r 100 ./external_sst_file_test --gtest_filter=ExternalSSTFileTest.MultiThreaded ``` leads to the following ``` WARNING: ThreadSanitizer: data race (pid=2683148) Write of size 1 at 0x556fede63340 by thread T7: #0 rocksdb::(anonymous namespace)::PosixFileSystem::OpenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileOptions const&, bool, std::unique_ptr<rocksdb::FSWritableFile, std::default_delete<rocksdb::FSWritableFile> >*, rocksdb::IODebugContext*) internal_repo_rocksdb/repo/env/fs_posix.cc:334 (external_sst_file_test+0xb61ac4) #1 rocksdb::(anonymous namespace)::PosixFileSystem::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileOptions const&, std::unique_ptr<rocksdb::FSWritableFile, std::default_delete<rocksdb::FSWritableFile> >*, rocksdb::IODebugContext*) internal_repo_rocksdb/repo/env/fs_posix.cc:382 (external_sst_file_test+0xb5ba96) #2 rocksdb::CompositeEnv::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<rocksdb::WritableFile, std::default_delete<rocksdb::WritableFile> >*, rocksdb::EnvOptions const&) internal_repo_rocksdb/repo/env/composite_env.cc:334 (external_sst_file_test+0xa6ab7f) #3 rocksdb::EnvWrapper::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<rocksdb::WritableFile, std::default_delete<rocksdb::WritableFile> >*, rocksdb::EnvOptions const&) internal_repo_rocksdb/repo/include/rocksdb/env.h:1428 (external_sst_file_test+0x561f3e) Previous read of size 1 at 0x556fede63340 by thread T4: #0 rocksdb::(anonymous namespace)::PosixFileSystem::OpenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileOptions const&, bool, std::unique_ptr<rocksdb::FSWritableFile, std::default_delete<rocksdb::FSWritableFile> >*, rocksdb::IODebugContext*) internal_repo_rocksdb/repo/env/fs_posix.cc:328 (external_sst_file_test+0xb61a70) #1 rocksdb::(anonymous namespace)::PosixFileSystem::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator ... ``` Fix by making sure the following block gets executed only once: ``` if (!checkedDiskForMmap_) { // this will be executed once in the program's lifetime. // do not use mmapWrite on non ext-3/xfs/tmpfs systems. if (!SupportsFastAllocate(fname)) { forceMmapOff_ = true; } checkedDiskForMmap_ = true; } ``` Reviewed By: pdillinger Differential Revision: D34780308 fbshipit-source-id: b761f66b24c8b5b8389d86ea371c8542b8d869d5
tabokie
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May 19, 2022
…n opening Posix WritableFile (facebook#9685) Summary: Pull Request resolved: facebook#9685 Our TSAN reports a race condition as follows when running test ``` gtest-parallel -r 100 ./external_sst_file_test --gtest_filter=ExternalSSTFileTest.MultiThreaded ``` leads to the following ``` WARNING: ThreadSanitizer: data race (pid=2683148) Write of size 1 at 0x556fede63340 by thread T7: #0 rocksdb::(anonymous namespace)::PosixFileSystem::OpenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileOptions const&, bool, std::unique_ptr<rocksdb::FSWritableFile, std::default_delete<rocksdb::FSWritableFile> >*, rocksdb::IODebugContext*) internal_repo_rocksdb/repo/env/fs_posix.cc:334 (external_sst_file_test+0xb61ac4) tikv#1 rocksdb::(anonymous namespace)::PosixFileSystem::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileOptions const&, std::unique_ptr<rocksdb::FSWritableFile, std::default_delete<rocksdb::FSWritableFile> >*, rocksdb::IODebugContext*) internal_repo_rocksdb/repo/env/fs_posix.cc:382 (external_sst_file_test+0xb5ba96) tikv#2 rocksdb::CompositeEnv::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<rocksdb::WritableFile, std::default_delete<rocksdb::WritableFile> >*, rocksdb::EnvOptions const&) internal_repo_rocksdb/repo/env/composite_env.cc:334 (external_sst_file_test+0xa6ab7f) tikv#3 rocksdb::EnvWrapper::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<rocksdb::WritableFile, std::default_delete<rocksdb::WritableFile> >*, rocksdb::EnvOptions const&) internal_repo_rocksdb/repo/include/rocksdb/env.h:1428 (external_sst_file_test+0x561f3e) Previous read of size 1 at 0x556fede63340 by thread T4: #0 rocksdb::(anonymous namespace)::PosixFileSystem::OpenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileOptions const&, bool, std::unique_ptr<rocksdb::FSWritableFile, std::default_delete<rocksdb::FSWritableFile> >*, rocksdb::IODebugContext*) internal_repo_rocksdb/repo/env/fs_posix.cc:328 (external_sst_file_test+0xb61a70) tikv#1 rocksdb::(anonymous namespace)::PosixFileSystem::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator ... ``` Fix by making sure the following block gets executed only once: ``` if (!checkedDiskForMmap_) { // this will be executed once in the program's lifetime. // do not use mmapWrite on non ext-3/xfs/tmpfs systems. if (!SupportsFastAllocate(fname)) { forceMmapOff_ = true; } checkedDiskForMmap_ = true; } ``` Reviewed By: pdillinger Differential Revision: D34780308 fbshipit-source-id: b761f66b24c8b5b8389d86ea371c8542b8d869d5
hx235
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Dec 27, 2023
Summary: I must have chosen trimming before frame 8 based on assertion failures, but that trims too many frame for a general segfault. So this changes to start printing at frame 4, as in this example where I've seeded a null deref: ``` Received signal 11 (Segmentation fault) Invoking LLDB for stack trace... Process 873208 stopped * thread tikv#1, name = 'db_stress', stop reason = signal SIGSTOP frame #0: 0x00007fb1fe8f1033 libc.so.6`__GI___wait4(pid=873478, stat_loc=0x00007fb1fb114030, options=0, usage=0x0000000000000000) at wait4.c:30:10 thread tikv#2, name = 'rocksdb:low', stop reason = signal SIGSTOP frame #0: 0x00007fb1fe8972a1 libc.so.6`__GI___futex_abstimed_wait_cancelable64 at futex-internal.c:57:12 Executable module set to "/data/users/peterd/rocksdb/db_stress". Architecture set to: x86_64-unknown-linux-gnu. True frame tikv#4: 0x00007fb1fe844540 libc.so.6`__restore_rt at libc_sigaction.c:13 frame tikv#5: 0x0000000000608514 db_stress`rocksdb::StressTest::InitDb(rocksdb::SharedState*) at db_stress_test_base.cc:345:18 frame tikv#6: 0x0000000000585d62 db_stress`rocksdb::RunStressTestImpl(rocksdb::SharedState*) at db_stress_driver.cc:84:17 frame tikv#7: 0x000000000058dd69 db_stress`rocksdb::RunStressTest(shared=0x00006120000001c0) at db_stress_driver.cc:266:34 frame tikv#8: 0x0000000000453b34 db_stress`rocksdb::db_stress_tool(int, char**) at db_stress_tool.cc:370:20 ... ``` Pull Request resolved: facebook#12101 Test Plan: manual (see above) Reviewed By: ajkr Differential Revision: D51593217 Pulled By: pdillinger fbshipit-source-id: 4a71eb8e516edbc32e682f9537bc77d073a7b4ed
mittalrishabh
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Apr 1, 2024
Signed-off-by: Qi Xu <[email protected]> Co-authored-by: Qi Xu <[email protected]>
mittalrishabh
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Apr 3, 2024
Signed-off-by: Qi Xu <[email protected]> Co-authored-by: Qi Xu <[email protected]>
mittalrishabh
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Apr 4, 2024
Signed-off-by: Qi Xu <[email protected]> Co-authored-by: Qi Xu <[email protected]>
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Summary: Closes facebook#2862
Differential Revision: D5805638
Pulled By: yiwu-arbug
fbshipit-source-id: 72d38c74395690023a719f400daff01527645a17