Commit Graph

9636 Commits

Author SHA1 Message Date
Akanksha Mahajan
8e0df9050c Store FSRandomAccessPtr object in RandomAccessFileReader (#7192)
Summary:
Replace FSRandomAccessFile pointer with FSRandomAccessFilePtr
    object in RandomAccessFileReader.
    This new object wraps FSRandomAccessFile pointer.

    Objective: If tracing is enabled, FSRandomAccessFile Ptr returns
    FSRandomAccessFileTracingWrapper pointer that includes all necessary
    information in IORecord and calls underlying FileSystem and invokes
    IOTracer to dump that record in a binary file. If tracing is disabled
    then, underlying FileSystem pointer is returned directly.
    FSRandomAccessFilePtr wrapper class is added to bypass the FSRandomAccessFileWrapper when
    tracing is disabled.

    Test Plan: make check -j64

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7192

Reviewed By: anand1976

Differential Revision: D23356867

Pulled By: akankshamahajan15

fbshipit-source-id: 48f31168166a17a7444b40be44a9a9d4a5c7182c
2020-08-27 11:21:52 -07:00
Peter Dillinger
9aad24da55 Real fix for race in backup custom checksum checking (#7309)
Summary:
This is a "real" fix for the issue worked around in https://github.com/facebook/rocksdb/issues/7294.
To get DB checksum info for live files, we now read the manifest file
that will become part of the checkpoint/backup. This requires a little
extra handling in taking a custom checkpoint, including only reading the
manifest file up to the size prescribed by the checkpoint.

This moves GetFileChecksumsFromManifest from backup code to
file_checksum_helper.{h,cc} and removes apparently unnecessary checking
related to column families.

Updated HISTORY.md and warned potential future users of
DB::GetLiveFilesChecksumInfo()

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7309

Test Plan: updated unit test, before and after

Reviewed By: ajkr

Differential Revision: D23311994

Pulled By: pdillinger

fbshipit-source-id: 741e30a2dc1830e8208f7648fcc8c5f000d4e2d5
2020-08-26 10:39:20 -07:00
sdong
722814e357 Get() to fail with underlying failures in PartitionIndexReader::CacheDependencies() (#7297)
Summary:
Right now all I/O failures under PartitionIndexReader::CacheDependencies() is swallowed. This doesn't impact correctness but we've made a decision that any I/O error in read path now should be returned to users for awareness. Return errors in those cases instead.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7297

Test Plan: Add a new unit test that ingest errors in this code path and see Get() fails. Only one I/O path is hit in PartitionIndexReader::CacheDependencies(). Several option changes are attempt but not able to got other pread paths triggered. Not sure whether other failure cases would be even possible. Would rely on continuous stress test to validate it.

Reviewed By: anand1976

Differential Revision: D23257950

fbshipit-source-id: 859dbc92fa239996e1bb378329344d3d54168c03
2020-08-25 19:01:05 -07:00
sdong
cecdd5d2ab Parameterize DBBasicTest.CompactBetweenSnapshots (#7301)
Summary:
DBBasicTest.CompactBetweenSnapshots can time-out in some slow-I/O hosts. Parameterize it so that single test runs shorter.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7301

Test Plan: Run the test and see see different runs are of different configerations in a hacky way.

Reviewed By: ltamasi

Differential Revision: D23277733

fbshipit-source-id: 1f717b4131322d175abf9e211131fe7e9b1ef758
2020-08-25 15:42:11 -07:00
Zhichao Cao
d51f88c9e4 Pass SST file checksum information through OnTableFileCreated (#7108)
Summary:
When SST file is created, application is able to know the file information through OnTableFileCreated callback in LogAndNotifyTableFileCreationFinished. Since file checksum information can be useful for application when the SST file is created, we add file_checksum and file_checksum_func_name information to TableFileCreationInfo, which will be passed through OnTableFileCreated.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7108

Test Plan: make check, listener_test.

Reviewed By: ajkr

Differential Revision: D22470240

Pulled By: zhichao-cao

fbshipit-source-id: 92c20344d9b986eadfe3480f3769bf4add0dbaae
2020-08-25 10:46:11 -07:00
Connor1996
416943bf28 Eliminates a no-op compaction upon snapshot release when disabling auto compactions (#7267)
Summary:
After releasing a snapshot, it checks whether it is suitable to trigger bottom compactions.
When disabling auto compactions, it may still schedule compaction when releasing a snapshot. Whereas no compaction job will be actually handled, so the state of LSM is not changed and compaction will be triggered again and again every time releasing a snapshot.

Too frequent compactions lead to high CPU usage and high db_mutex lock contention which affects foreground write duration finally.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7267

Test Plan:
- make check
- manual test

Reviewed By: akankshamahajan15

Differential Revision: D23252880

Pulled By: ajkr

fbshipit-source-id: 4431e071a35d9912a2a3592875db27bae521434b
2020-08-24 22:06:45 -07:00
mrambacher
b7e1c5213f Add some simulator cache and block tracer tests to ASSERT_STATUS_CHECKED (#7305)
Summary:
More tests now pass.  When in doubt, I added a TODO comment to check what should happen with an ignored error.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7305

Reviewed By: akankshamahajan15

Differential Revision: D23301262

Pulled By: ajkr

fbshipit-source-id: 5f120edc7393560aefc0633250277bbc7e8de9e6
2020-08-24 16:43:31 -07:00
rockeet
e653af7164 DBWithTTL::Open() param ttls: vector<int32_t> to const vector<int32_t>& (#7196)
Summary:
fix DBWithTTL::Open() param ttls: vector<int32_t> to const vector<int32_t>

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7196

Reviewed By: akankshamahajan15

Differential Revision: D23277772

Pulled By: ajkr

fbshipit-source-id: bf69834b5c2062c7e166dab21fbfd40416c7872d
2020-08-24 16:24:16 -07:00
sdong
5aacef9712 Disable fsync in SeqAdvanceConcurrentTest (#7302)
Summary:
SeqAdvanceConcurrentTest sometimes runs too long on some platforms. Disable fsync to speed it up.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7302

Test Plan: Run the tests and watch CI.

Reviewed By: ajkr

Differential Revision: D23298192

fbshipit-source-id: 2185eed4e0958c3de5e8a3f94ceed5be5945ed37
2020-08-24 13:22:06 -07:00
sdong
21ce018a32 Disable fsync in some ExternalSSTFileTest tests (#7303)
Summary:
Some ExternalSSTFileTest runs very long on some places. Disable fsync in some tests to speed them up.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7303

Test Plan: Run these tests.

Reviewed By: riversand963

Differential Revision: D23280261

fbshipit-source-id: 0dca862e462f9e6d807f393320a1f82aa5b87e59
2020-08-24 11:26:09 -07:00
Akanksha Mahajan
ed7ea43dd9 Fix for Regression failure (#7300)
Summary:
RocksDb regression commands are exiting with error
/usr/bin/ar: creating
librocksdb.a
/usr/bin/ld: ./cache/cache.o: relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC

Bug: It tries to link the static code into a shared lib.
Fix: Added make clean before building shared_lib

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7300

Test Plan:
make clean
           make -j$(nproc) static_lib
           make -j$(nproc) shared_lib

Reviewed By: pdillinger

Differential Revision: D23276842

Pulled By: akankshamahajan15

fbshipit-source-id: c2e69fa505893ad414786794fc486f3f22f059d5
2020-08-24 09:11:27 -07:00
Jay Zhuang
e500c730cf Shutdown timer in destructor (#7292)
Summary:
Make sure deleting a running timer works fine.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7292

Test Plan: unittest and an invalid benchmark command: `./db_bench --db=/tmp --use_existing_db=false --benchmarks=fred --compression_type=none`

Reviewed By: riversand963

Differential Revision: D23248500

Pulled By: jay-zhuang

fbshipit-source-id: 04111681b389a9aa23a439db4568d5ca351f1144
2020-08-21 15:48:52 -07:00
Akanksha Mahajan
3844612625 Bug Fix for memtables not trimmed down. (#7296)
Summary:
When a memtable is trimmed in MemTableListVersion, the memtable
is only added to delete list if it is
the last reference. However it is not the last reference as it is held
by the super version. But the super version would not be switched if the
delete list is empty. So the memtable is never destroyed and memory
usage increases beyond write_buffer_size +
max_write_buffer_size_to_maintain.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7296

Test Plan:
1.  ./db_bench -benchmarks=randomtransaction
-optimistic_transaction_db=1 -statistics -stats_interval_seconds=1
-duration=90 -num=500000 --max_write_buffer_size_to_maintain=16000000
--transaction_set_snapshot

Reviewed By: ltamasi

Differential Revision: D23267395

Pulled By: akankshamahajan15

fbshipit-source-id: 3a8d437fe9f4015f851ff84c0e29528aa946b650
2020-08-21 13:29:05 -07:00
Jay Zhuang
187964a039 Add test function MockTimeEnv.SleepForMicroseconds() (#7293)
Summary:
And change the internal time value from seconds to microseconds.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7293

Reviewed By: pdillinger

Differential Revision: D23253751

Pulled By: jay-zhuang

fbshipit-source-id: 36aa9376b8801b85bd10163173590a17cf4f3a3a
2020-08-21 11:34:37 -07:00
Peter Dillinger
a1b5484811 Work around a backup bug with DB custom checksums (#7294)
Summary:
On a read-write DB configured with
DBOptions::file_checksum_gen_factory, BackupEngine::CreateNewBackup can
fail intermittently, with non-OK status. This is due to a race between
GetLiveFiles and GetLiveFilesChecksumInfo in creating backups.

For patching 6.12 release (as this commit is intended for, except this is a
forward-merged version), we can simply treat files for which we falsely failed
to get checksum info as legacy files lacking checksum info.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7294

Test Plan: unit test reproducer included

Reviewed By: ajkr

Differential Revision: D23253489

Pulled By: pdillinger

fbshipit-source-id: 9e4945dad120b776ad3e753be10b962f61f28e14
2020-08-21 08:16:04 -07:00
mrambacher
e9befdebbf Add EnvTestWithParam::OptionsTest to the ASSERT_STATUS_CHECKED passes (#7283)
Summary:
This test uses database functionality and required more extensive work to get it to pass than the other tests.  The DB functionality required for this test now passes the check.

When it was unclear what the proper behavior was for unchecked status codes, a TODO was added.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7283

Reviewed By: akankshamahajan15

Differential Revision: D23251497

Pulled By: ajkr

fbshipit-source-id: 52b79629bdafa0a58de8ead1d1d66f141b331523
2020-08-20 19:18:35 -07:00
Stanislav Tkach
b288f0131b Add getters for the read options to the C API (#7289)
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/7289

Reviewed By: akankshamahajan15

Differential Revision: D23252520

Pulled By: ajkr

fbshipit-source-id: 85cea485a6dcaa1c67c32a83eb49a1b623966609
2020-08-20 16:36:19 -07:00
Cheng Chang
ce4192375d Track WAL in MANIFEST: minor udpates (#7282)
Summary:
The updates resolve comments left from https://github.com/facebook/rocksdb/pull/7164.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7282

Test Plan: wal_edit_test

Reviewed By: ltamasi

Differential Revision: D23196824

Pulled By: cheng-chang

fbshipit-source-id: 797f3fef27fc72114c2be777d9eadd3429da5301
2020-08-20 15:12:00 -07:00
Peter Dillinger
327ddb7d47 Travis: fail fast on install failures (#7239)
Summary:
A recent build continued with confusing results after failing
to "snap install cmake" so ensure failures in installs are fatal. Also
upgrade snapd before "snap install" to hopefully avoid this error:

    error: cannot perform the following tasks:
    - Mount snap "cmake" (513) (snap "cmake" assumes unsupported features: command-chain (try to update snapd and refresh the core snap))

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7239

Test Plan: watch Travis

Reviewed By: akankshamahajan15

Differential Revision: D23244110

Pulled By: pdillinger

fbshipit-source-id: 33dbf145f6999d0b90576cdfde484f15c5d1ac19
2020-08-20 10:39:10 -07:00
Jay Zhuang
3e422ce0ca Fix a timer_test deadlock (#7277)
Summary:
There's a potential deadlock caused by MockTimeEnv time value get to a large number, which causes TimedWait() wait forever. The test misuses the microseconds as seconds, making it more likely to happen.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7277

Reviewed By: pdillinger

Differential Revision: D23183873

Pulled By: jay-zhuang

fbshipit-source-id: 6fc38ebd40b4125a99551204b271f91a27e70086
2020-08-20 08:43:13 -07:00
Will Angenent
2040bb545b Fixed missing space in DeleteScheduler::BackgroundEmptyTrash log message (#7286)
Summary:
Example of a faulty log message:
Rate limiting is enabled with penalty 18203625after deleting file ...

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7286

Reviewed By: David132639

Differential Revision: D23215981

Pulled By: freewilll

fbshipit-source-id: 8bdbbffea9f2942cc7a652f315a560d61c0f1068
2020-08-20 02:00:06 -07:00
Jay Zhuang
ac7dcfda10 Add missing ComputeCompactionScore() for a new universal manual compaction (#7281)
Summary:
Seems it's only causing assert failure during compaction pick, but in production code, the problematic compactions are excluded at a later step.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7281

Reviewed By: akankshamahajan15

Differential Revision: D23228000

Pulled By: jay-zhuang

fbshipit-source-id: 2e4055aeebe0f5a2b07e299e0a2d51a1ad2e216d
2020-08-19 17:42:08 -07:00
Levi Tamasi
b9bb59d49d Add initial set of options for integrated blob write path (#7280)
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/7280

Test Plan: `make check`

Reviewed By: riversand963

Differential Revision: D23195192

Pulled By: ltamasi

fbshipit-source-id: 743b382de391963e62ba86119e9fbd0233ea3b3a
2020-08-18 18:32:37 -07:00
Akanksha Mahajan
cc24ac14eb Store FSSequentialFilePtr object in SequenceFileReader (#7190)
Summary:
This diff contains following changes:
    1. Replace `FSSequentialFile` pointer with `FSSequentialFilePtr` object that wraps `FSSequentialFile` pointer in `SequenceFileReader`.

Objective: If tracing is enabled, `FSSequentialFilePtr` returns `FSSequentialFileTracingWrapper` pointer that includes all necessary information in `IORecord` and calls underlying FileSystem and invokes `IOTracer` to dump that record in a binary file. If tracing is disabled then, underlying `FileSystem` pointer is returned directly. `FSSequentialFilePtr` wrapper class is added to bypass the `FSSequentialFileTracingWrapper` when tracing is disabled.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7190

Test Plan:
make check -j64
          COMPILE_WITH_TSAN=1 make check -j64

Reviewed By: anand1976

Differential Revision: D23059616

Pulled By: akankshamahajan15

fbshipit-source-id: 1564b94dd1297cd0fbfe2ed5c9cc3e20f7395301
2020-08-18 16:20:54 -07:00
Andrew Kryczka
e6e2f3699c fix doc about kTolerateCorruptedTailRecords recovery (#7270)
Summary:
- Made it clear only one record in the tail is allowed to have a problem
- Added detail about the valid use case instead of calling it legacy behavior

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7270

Reviewed By: riversand963

Differential Revision: D23169075

Pulled By: ajkr

fbshipit-source-id: 2a4b45aa8641f17efa104523fbad765012a98fb0
2020-08-18 09:52:25 -07:00
Peter Dillinger
7d0ecab570 Fix some flaky tests in BackupableDBTest with intentional flushing (#7273)
Summary:
Some tests like BackupableDBTest.FileCollision and
ShareTableFilesWithChecksumsNewNaming are intermittently failing,
probably due to unpredictable flushing with FillDB. This change
should fix the failures seen and help to prevent similar flakiness in
future tests in the file.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7273

Test Plan: make check, and with valgrind

Reviewed By: siying

Differential Revision: D23176947

Pulled By: pdillinger

fbshipit-source-id: 654b73a64db475f2b9b065ed53a889a8b9083c59
2020-08-17 22:07:17 -07:00
Jay Zhuang
c073b7faef db_bench should be linked with thirdparty libs (#7264)
Summary:
`db_bench` is not linked with thirdparty libs in cmake, even `-DWITH_*`
is specified.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7264

Test Plan:
`$ mkdir build; cd build; cmake .. -DWITH_SNAPPY=1; make db_bench; ./db_bench`
`$ cmake .. -DWITH_SNAPPY=1 -DWITH_LZ4; make db_bench; ./db_bench -compression_type=lz4`

Reviewed By: zhichao-cao

Differential Revision: D23165077

Pulled By: jay-zhuang

fbshipit-source-id: 9c6fead31c41664a5c75ecd6469f47402fcb7d62
2020-08-17 18:54:14 -07:00
sdong
b194c21bba Whole DBTest to skip fsync (#7274)
Summary:
After https://github.com/facebook/rocksdb/pull/7036, we still see extra DBTest that can timeout when running 10 or 20 in parallel. Expand skip-fsync mode in whole DBTest. Still preserve other tests from doing this mode to be conservative.

This commit reinstates https://github.com/facebook/rocksdb/issues/7049, whose un-revert was lost in an automatic
infrastructure mis-merge.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7274

Test Plan: Run all existing files.

Reviewed By: pdillinger

Differential Revision: D23177444

fbshipit-source-id: 1f61690b2ac6333c3b2c87176fef6b2cba086b33
2020-08-17 18:42:25 -07:00
Andrew Kryczka
5d5ff82408 Disable recycle_log_file_num with kTolerateCorruptedTailRecords (#7271)
Summary:
The two features are naturally incompatible. WAL recycling expects the recovery to succeed upon encountering a corrupt record at the point where new data ends and recycled data remains at the tail. However, `WALRecoveryMode::kTolerateCorruptedTailRecords` must fail upon encountering any such corrupt record, as it cannot differentiate between this and a real corruption, which would cause committed updates to be truncated.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7271

Reviewed By: riversand963

Differential Revision: D23169923

Pulled By: ajkr

fbshipit-source-id: 2cf8a3bcd2c9a0ecb0055a84725047a10fd4db50
2020-08-17 18:21:10 -07:00
Yanqin Jin
92593d511a Add a new EntryType for deletion with timestamp (#7195)
Summary:
Add `kEntryDeleteWithTimestamp` to `EntryType` which is a public API.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7195

Test Plan: make check

Reviewed By: ajkr

Differential Revision: D22914704

Pulled By: riversand963

fbshipit-source-id: 886f73c6b70c527cad1c8fc9fc8d3afe60e1ea39
2020-08-17 16:26:06 -07:00
Levi Tamasi
9b083cb11c Build blob file reader/writer classes in LITE mode as well (#7272)
Summary:
The patch makes sure that the functionality required for the new integrated
BlobDB implementation (most importantly, the classes related to reading and
writing blob files) is also built in LITE mode by removing the corresponding
`#ifndef`s.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7272

Test Plan: Ran `make check` in both regular and LITE mode.

Reviewed By: zhichao-cao

Differential Revision: D23173280

Pulled By: ltamasi

fbshipit-source-id: 1596bd1a76409a8a6d83d8f1dbfe08bfdea7ffe6
2020-08-17 15:19:05 -07:00
sdong
1760637539 CompactRange() refit level should confirm destination level is not empty (#7261)
Summary:
There is potential data race related CompactRange() with level refitting. After the compaction step and refitting step, some automatic compaction could put data to the destination level and cause the DB to be corrupted. Fix the bug by checking the target level to be empty.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7261

Test Plan: Add a unit test, which would fail with "Corruption: L1 have overlapping ranges '666F6F' seq:6, type:1 vs. '626172' seq:2, type:1", and now it succeeds.

Reviewed By: ajkr

Differential Revision: D23142269

fbshipit-source-id: 28bc14d5ac934c192260b23a4ce3f10a95e3ee91
2020-08-17 14:21:53 -07:00
Zitan Chen
500eeb6fd3 Re-enable param tests for backup engine (#7260)
Summary:
The param tests did not take any effect previously. This PR re-enables it.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7260

Test Plan: Some manual tests and `./backupable_db_test`.

Reviewed By: siying

Differential Revision: D23140902

Pulled By: pdillinger

fbshipit-source-id: cd62b11b926affed25127d9074fa97a1c7f748c4
2020-08-17 13:59:21 -07:00
matthewvon
2ad88ceae9 Populate cf_id member of CompactionJobInfo for OnCompactionBegin (#6938)
Summary:
Looks like somebody simply missed initializing a member variable. The column family ID, cf_id, is not set during OnCompactionBegin. But it is set properly in the next function for OnCompactionCompleted. Need this cf_id for tracking progress of a Stardog optimize since there may be multiple compactions required for a given column family.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/6938

Reviewed By: siying

Differential Revision: D23153235

Pulled By: ajkr

fbshipit-source-id: 932938de3a4ebbc7ac89702f655583862587d251
2020-08-17 11:57:47 -07:00
Hans Holmberg
2a0d3c7054 Add a file system parameter: --fs_uri to db_stress and db_bench (#6878)
Summary:
This pull request adds the parameter --fs_uri to db_bench and db_stress, creating a composite env combining the default env with a specified registered rocksdb file system.

This makes it easier to develop and test new RocksDB FileSystems.

The pull request also registers the posix file system for testing purposes.

Examples:
```
$./db_bench --fs_uri=posix:// --benchmarks=fillseq

$./db_stress --fs_uri=zenfs://nullb1
```

zenfs is a RocksDB FileSystem I'm developing to add support for zoned block devices, and in that case the zoned block device is specified in the uri (a zoned null block device in the above example).

Pull Request resolved: https://github.com/facebook/rocksdb/pull/6878

Reviewed By: siying

Differential Revision: D23023063

Pulled By: ajkr

fbshipit-source-id: 8b3fe7193ce45e683043b021779b7a4d547af247
2020-08-17 11:55:24 -07:00
John Goerzen
59ebab654e Generate and install a pkg-config file (#7244)
Summary:
pkg-config files are quite useful for communicating to users of a
library how to compile against them. This commit generates and installs
a pkg-config file that can be used for both static and dynamic builds
against the RocksDB library. This should make life easier for developers
of client programs, language bindings, etc.

Example usage:

```
g++ `pkg-config --cflags rocksdb` -o simple_example simple_example.cc `pkg-config --libs rocksdb`

g++ `pkg-config --cflags --static rocksdb` -static \
   -o simple_example simple_example.cc `pkg-config --libs --static rocksdb`
```

The commit also adds the generated file to .gitignore, to the uninstall
target, and to clean.

No additional dependencies are added to RocksDB itself, and this does
not make RocksDB use pkg-config as part of its build process.

Resolves https://github.com/facebook/rocksdb/issues/4452

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7244

Reviewed By: siying

Differential Revision: D23146153

Pulled By: ajkr

fbshipit-source-id: 3045aa650d68bd5ac42d40ed709570e9584ef004
2020-08-17 11:53:11 -07:00
Jay Zhuang
69760b4d05 Introduce a global StatsDumpScheduler for stats dumping (#7223)
Summary:
Have a global StatsDumpScheduler for all DB instance stats dumping, including `DumpStats()` and `PersistStats()`. Before this, there're 2 dedicate threads for every DB instance, one for DumpStats() one for PersistStats(), which could create lots of threads if there're hundreds DB instances.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7223

Reviewed By: riversand963

Differential Revision: D23056737

Pulled By: jay-zhuang

fbshipit-source-id: 0faa2311142a73433ebb3317361db7cbf43faeba
2020-08-14 20:12:44 -07:00
Yanqin Jin
d758273ceb Get() with timestamp should respect snapshot (#7227)
Summary:
If user-defined timestamp is enabled, current implementation can expose
newer data to queries even if an older sequence number is specified via
read_options.snapshot. This PR makes Get() respect sequence-number-based
snapshot.

Solution is simple. Besides using <ukey, ts, seq> to search the index for the key,
we also verify that the candidate result's seq is smaller than or equal to seq. This
requires passing a seq via `GetContext`, which results in the majority of code
change caused by this PR.

Also added a few unit tests to demonstrate standard visibility during point lookup
and range scan when timestamp and snapshot are both present.

Test plan (devserver):
```
make check
$./db_bench --benchmarks=fillseq,readrandom -cache_size=$[64*1024*1024]
```
Result
this PR: readrandom   :       4.827 micros/op 207180 ops/sec;   22.9 MB/s (1000000 of 1000000 found)
master:  readrandom   :       4.936 micros/op 202610 ops/sec;   22.4 MB/s (1000000 of 1000000 found)

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7227

Reviewed By: ltamasi

Differential Revision: D23015242

Pulled By: riversand963

fbshipit-source-id: ea7b85a728654553ba357d2e6a207b5e40f7376a
2020-08-14 19:20:58 -07:00
Daniel Smith
510c66fb75 Typo: s/entires/entries/ (#7248)
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/7248

Reviewed By: ajkr

Differential Revision: D23108368

Pulled By: jay-zhuang

fbshipit-source-id: 41765334b0bae26bd74a4d9250b9b98ea7ac6c3f
2020-08-14 13:37:23 -07:00
Zitan Chen
15245e9018 Fix flaky BackupableDBTest.CustomChecksumTransition (#7254)
Summary:
The flaky test in the title is caused by two problems. First, there is a bug in the BackupEngine that results in skipping computing the default crc32 checksum when `share_table_files` is enabled and the table is already backed up. Second, when `RestoreDBFromBackup` fails and the backup was being restored to the DB directory, it is likely that `RestoreDBFromBackup` has cleaned up the DB directory before it fails, and therefore, files in old backups may collide with files to be backed up if `share_files_with_checksum` is not enabled.

New tests that cover the above problems are added.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7254

Test Plan: `./backupable_db_test`

Reviewed By: pdillinger

Differential Revision: D23118715

Pulled By: gg814

fbshipit-source-id: 7be8de912808944be59e93d602c7431a54c079eb
2020-08-14 13:34:15 -07:00
Andrew Kryczka
a1aa3f8385 Disable manual compaction during ReFitLevel() (#7250)
Summary:
Manual compaction with `CompactRangeOptions::change_levels` set could
refit to a level targeted by another manual compaction. If
force_consistency_checks were disabled, it could be possible for
overlapping files to be written at that target level.

This PR prevents the possibility by calling `DisableManualCompaction()`
prior to `ReFitLevel()`. It also improves the manual compaction disabling
mechanism to wait for pending manual compactions to complete before
returning, and support disabling from multiple threads.

Fixes https://github.com/facebook/rocksdb/issues/6432.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7250

Test Plan:
crash test command that repro'd the bug reliably:

```
$ TEST_TMPDIR=/dev/shm python tools/db_crashtest.py blackbox --simple -target_file_size_base=524288 -write_buffer_size=1048576 -clear_column_family_one_in=0 -reopen=0 -max_key=10000000 -column_families=1 -max_background_compactions=8 -compact_range_one_in=100000 -compression_type=none -compaction_style=1 -num_levels=5 -universal_min_merge_width=4 -universal_max_merge_width=8 -level0_file_num_compaction_trigger=12 -rate_limiter_bytes_per_sec=1048576000 -universal_max_size_amplification_percent=100 --duration=3600 --interval=60 --use_direct_io_for_flush_and_compaction=0 --use_direct_reads=0 --enable_compaction_filter=0
```

Reviewed By: ltamasi

Differential Revision: D23090800

Pulled By: ajkr

fbshipit-source-id: afcbcd51b42ce76789fdb907d8b9ada790709c13
2020-08-14 11:29:52 -07:00
Adam Retter
e503f5e0a0 RocksJava should not limit valid format_version (#7242)
Summary:
Previously RocksJava limited the format_version to 4. However, the C++ API is now at 5, and this will likely increase again in future. The Java API now allows any positive integer, and an exception is raised from JNI if the format_version is out-of-bounds.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7242

Reviewed By: cheng-chang

Differential Revision: D23077941

Pulled By: pdillinger

fbshipit-source-id: ee69f7203448acddc41c6d86b470ed987d3d366d
2020-08-13 20:43:28 -07:00
sdong
4b0a509a91 Still use platform007 for gcc (#7253)
Summary:
We see some hosts failed to build platform009 with gcc. Revert the default to be platform007 if USE_CLANG is not specified.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7253

Test Plan: Build with both of USE_CLANG=1 set and not set and observe it builds successfully, and see the tool chain used.

Reviewed By: jay-zhuang

Differential Revision: D23110550

fbshipit-source-id: 25cb47923f7174b24debdad0cc8d90b07c4d5d09
2020-08-13 14:49:34 -07:00
sdong
e7358da9a2 Upgrade tool chain (#7251)
Summary:
Upgrade tool chain to the latest. It is done mostly manually as build_tools/build_detect_platform fails to update many of them.

Try to fix a new clang analyze warning with the new tool chain.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7251

Test Plan: "make all", "USE_CLANG=1 make all"

Reviewed By: riversand963

Differential Revision: D23091090

fbshipit-source-id: 732e5a30137837431438f85f36296406b641f975
2020-08-12 19:30:00 -07:00
Levi Tamasi
9d6f48ec1d Clean up CompressBlock/CompressBlockInternal a bit (#7249)
Summary:
The patch cleans up and refactors `CompressBlock` and `CompressBlockInternal` a bit.
In particular, it does the following:
* It renames `CompressBlockInternal` to `CompressData` and moves it to `util/compression.h`,
where other general compression-related utilities are located. This will facilitate reuse in the
BlobDB write path.
* The signature of the method is changed so it now takes `compression_format_version`
(similarly to the compression library specific methods) instead of `format_version` (which is
specific to the block based table).
* `GetCompressionFormatForVersion` no longer takes `compression_type` as a parameter.
This parameter was only used in a (not entirely up-to-date) assertion; also, removing it
eliminates the need to ensure this precondition holds at all call sites.
* Does some minor cleanup in `CompressBlock`, for instance, it is now possible to pass
only one of `sampled_output_fast` and `sampled_output_slow`.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7249

Test Plan: `make check`

Reviewed By: riversand963

Differential Revision: D23087278

Pulled By: ltamasi

fbshipit-source-id: e6316e45baed8b4e7de7c1780c90501c2a3439b3
2020-08-12 18:25:48 -07:00
Akanksha Mahajan
1f9f630b27 Store FileSystemPtr object that contains FileSystem ptr (#7180)
Summary:
As part of the IOTracing project, this PR
    1. Caches "FileSystemPtr" object(wrapper class that returns file system pointer based on tracing enabled) instead of "FileSystem" pointer.
    2. FileSystemPtr object is created using FileSystem pointer and IOTracer
    pointer.
    3. IOTracer shared_ptr is created in DBImpl and it is passed to different classes through constructor.
    4. When tracing is enabled through DB::StartIOTrace, FileSystemPtr
    returns FileSystemTracingWrapper pointer for tracing purpose and when
    it is disabled underlying FileSystem pointer is returned.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7180

Test Plan:
make check -j64
                COMPILE_WITH_TSAN=1 make check -j64

Reviewed By: anand1976

Differential Revision: D22987117

Pulled By: akankshamahajan15

fbshipit-source-id: 6073617e4c2d5bc363914f3a1f55ae3b0a58fbf1
2020-08-12 17:31:23 -07:00
Arkady Dyakonov
2bc63e3aba Fix Java test for uint64add merge operator (#7243)
Summary:
The PR fixes a Java test for Merge operator `uint64add`.

The current implementation uses wrong byte order for long serialization, but fails to catch this error because the merge sum is lower than `256`.

The PR makes this test case more representative (i.e. it fails with wrong byte order) and changes the byte order to little endian.

Some background: RocksDB uses LittleEndian byte order for integer serialization across all platforms. `MergeTest` uses `ByteBuffer` that defaults to BigEndian byte order.

This test case might probably be used as a sample of `MergeOperator` usage in Java.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7243

Reviewed By: ajkr

Differential Revision: D23079593

Pulled By: pdillinger

fbshipit-source-id: 82e8e166901d66733e96a0116f88d0ec4761ddf1
2020-08-12 14:36:08 -07:00
Zitan Chen
b578ca2e4d BackupEngine supports custom file checksums (#7085)
Summary:
A new option `std::shared_ptr<FileChecksumGenFactory> backup_checksum_gen_factory` is added to `BackupableDBOptions`. This allows custom checksum functions to be used for creating, verifying, or restoring backups.

Tests are added.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7085

Test Plan: Passed make check

Reviewed By: pdillinger

Differential Revision: D22390756

Pulled By: gg814

fbshipit-source-id: 3b7756ca444c2129844536b91c3ca09f53b6248f
2020-08-12 13:31:09 -07:00
Yanqin Jin
76609cd38a Fix potential memory leak (#7245)
Summary:
```
int* value = new int;
ASSERT_NE(nullptr, value);
```
`ASSERT_NE` can expand the expression such that a memory leak is
reported by clang analyzer.
We can remove this ASSERT_NE since we can assume the memory allocation
must succeed. Otherwise a bad alloc exception will be thrown and the
process will be killed anyway.

Test plan (dev server):
```
USE_CLANG=1 make analyze
```

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7245

Reviewed By: jay-zhuang

Differential Revision: D23079641

Pulled By: riversand963

fbshipit-source-id: a6739a903f90f8715f6f1ef3e5c8a329245b8e78
2020-08-12 12:03:22 -07:00
Levi Tamasi
378bc94d7e Update github-pages to v207 (#7235)
Summary:
The patch updates github-pages to the latest version. Dependencies were
updated using `bundle update`. Also, the deprecated option `gems` is replaced
with `plugins` in the Jekyll config.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7235

Test Plan: `bundle exec jekyll serve`

Reviewed By: pdillinger

Differential Revision: D23034419

Pulled By: ltamasi

fbshipit-source-id: a3f6df1c33281bdfd33aa61c6dc92162d9b7f079
2020-08-12 09:26:24 -07:00