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18 Commits (586d78b31e8026b31d229f3f0f548d25f7d68a87)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Hui Xiao
|
5fc57eec2b |
Support parallel read and write/delete to same key in NonBatchedOpsStressTest (#11058)
Summary: **Context:** Current `NonBatchedOpsStressTest` does not allow multi-thread read (i.e, Get, Iterator) and write (i.e, Put, Merge) or delete to the same key. Every read or write/delete operation will acquire lock (`GetLocksForKeyRange`) on the target key to gain exclusive access to it. This does not align with RocksDB's nature of allowing multi-thread read and write/delete to the same key, that is concurrent threads can issue read/write/delete to RocksDB without external locking. Therefore this is a gap in our testing coverage. To close the gap, biggest challenge remains in verifying db value against expected state in presence of parallel read and write/delete. The challenge is due to read/write/delete to the db and read/write to expected state is not within one atomic operation. Therefore we may not know the exact expected state of a certain db read, as by the time we read the expected state for that db read, another write to expected state for another db write to the same key might have changed the expected state. **Summary:** Credited to ajkr's idea, we now solve this challenge by breaking the 32-bits expected value of a key into different parts that can be read and write to in parallel. Basically we divide the 32-bits expected value into `value_base` (corresponding to the previous whole 32 bits but now with some shrinking in the value base range we allow), `pending_write` (i.e, whether there is an ongoing concurrent write), `del_counter` (i.e, number of times a value has been deleted, analogous to value_base for write), `pending_delete` (similar to pending_write) and `deleted` (i.e whether a key is deleted). Also, we need to use incremental `value_base` instead of random value base as before because we want to control the range of value base a correct db read result can possibly be in presence of parallel read and write. In that way, we can verify the correctness of the read against expected state more easily. This is at the cost of reducing the randomness of the value generated in NonBatchedOpsStressTest we are willing to accept. (For detailed algorithm of how to use these parts to infer expected state of a key, see the PR) Misc: hide value_base detail from callers of ExpectedState by abstracting related logics into ExpectedValue class Pull Request resolved: https://github.com/facebook/rocksdb/pull/11058 Test Plan: - Manual test of small number of keys (i.e, high chances of parallel read and write/delete to same key) with equally distributed read/write/deleted for 30 min ``` python3 tools/db_crashtest.py --simple {blackbox|whitebox} --sync_fault_injection=1 --skip_verifydb=0 --continuous_verification_interval=1000 --clear_column_family_one_in=0 --max_key=10 --column_families=1 --threads=32 --readpercent=25 --writepercent=25 --nooverwritepercent=0 --iterpercent=25 --verify_iterator_with_expected_state_one_in=1 --num_iterations=5 --delpercent=15 --delrangepercent=10 --range_deletion_width=5 --use_merge={0|1} --use_put_entity_one_in=0 --use_txn=0 --verify_before_write=0 --user_timestamp_size=0 --compact_files_one_in=1000 --compact_range_one_in=1000 --flush_one_in=1000 --get_property_one_in=1000 --ingest_external_file_one_in=100 --backup_one_in=100 --checkpoint_one_in=100 --approximate_size_one_in=0 --acquire_snapshot_one_in=100 --use_multiget=0 --prefixpercent=0 --get_live_files_one_in=1000 --manual_wal_flush_one_in=1000 --pause_background_one_in=1000 --target_file_size_base=524288 --write_buffer_size=524288 --verify_checksum_one_in=1000 --verify_db_one_in=1000 ``` - Rehearsal stress test for normal parameter and aggressive parameter to see if such change can find what existing stress test can find (i.e, no regression in testing capability) - [Ongoing]Try to find new bugs with this change that are not found by current NonBatchedOpsStressTest with no parallel read and write/delete to same key Reviewed By: ajkr Differential Revision: D42257258 Pulled By: hx235 fbshipit-source-id: e6fdc18f1fad3753e5ac91731483a644d9b5b6eb |
2 years ago |
|
Levi Tamasi
|
a72d55c99d |
Increase the stress test coverage of GetEntity (#11303)
Summary: The `GetEntity` API is currently used in the stress tests for verification purposes; this patch extends the coverage by adding a mode where all point lookups in the non-batched, batched, and CF consistency stress tests are done using this API. The PR also includes a bit of refactoring to eliminate some boilerplate code around the wide-column consistency checks. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11303 Test Plan: Ran stress tests of the batched, non-batched, and CF consistency varieties. Reviewed By: akankshamahajan15 Differential Revision: D44148503 Pulled By: ltamasi fbshipit-source-id: fecdbfd3e65a459bbf16ab7aa7b9173e19240077 |
2 years ago |
|
sdong
|
4720ba4391 |
Remove RocksDB LITE (#11147)
Summary: We haven't been actively mantaining RocksDB LITE recently and the size must have been gone up significantly. We are removing the support. Most of changes were done through following comments: unifdef -m -UROCKSDB_LITE `git grep -l ROCKSDB_LITE | egrep '[.](cc|h)'` by Peter Dillinger. Others changes were manually applied to build scripts, CircleCI manifests, ROCKSDB_LITE is used in an expression and file db_stress_test_base.cc. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11147 Test Plan: See CI Reviewed By: pdillinger Differential Revision: D42796341 fbshipit-source-id: 4920e15fc2060c2cd2221330a6d0e5e65d4b7fe2 |
2 years ago |
|
Levi Tamasi
|
9078fcccee |
Add the PutEntity API to the stress/crash tests (#10760)
Summary: The patch adds the `PutEntity` API to the non-batched, batched, and CF consistency stress tests. Namely, when the new `db_stress` command line parameter `use_put_entity_one_in` is greater than zero, one in N writes on average is performed using `PutEntity` rather than `Put`. The wide-column entity written has the generated value in its default column; in addition, it contains up to three additional columns where the original generated value is divided up between the column name and the column value (with the column name containing the first k characters of the generated value, and the column value containing the rest). Whether `PutEntity` is used (and if so, how many columns the entity has) is completely determined by the "value base" used to generate the value (that is, there is no randomness involved). Assuming the same `use_put_entity_one_in` setting is used across `db_stress` invocations, this enables us to reconstruct and validate the entity during subsequent `db_stress` runs. Note that `PutEntity` is currently incompatible with `Merge`, transactions, and user-defined timestamps; these combinations are currently disabled/disallowed. Pull Request resolved: https://github.com/facebook/rocksdb/pull/10760 Test Plan: Ran some batched, non-batched, and CF consistency stress tests using the script. Reviewed By: riversand963 Differential Revision: D39939032 Pulled By: ltamasi fbshipit-source-id: eafdf124e95993fb7d73158e3b006d11819f7fa9 |
2 years ago |
|
Hui Xiao
|
aed30ddf21 |
Support WriteCommit policy with sync_fault_injection=1 (#10624)
Summary:
**Context:**
Prior to this PR, correctness testing with un-sync data loss [disabled](https://github.com/facebook/rocksdb/pull/10605) transaction (`use_txn=1`) thus all of the `txn_write_policy` . This PR improved that by adding support for one policy - WriteCommit (`txn_write_policy=0`).
**Summary:**
They key to this support is (a) handle Mark{Begin, End}Prepare/MarkCommit/MarkRollback in constructing ExpectedState under WriteCommit policy correctly and (b) monitor CI jobs and solve any test incompatibility issue till jobs are stable. (b) will be part of the test plan.
For (a)
- During prepare (i.e, between `MarkBeginPrepare()` and `MarkEndPrepare(xid)`), `ExpectedStateTraceRecordHandler` will buffer all writes by adding all writes to an internal `WriteBatch`.
- On `MarkEndPrepare()`, that `WriteBatch` will be associated with the transaction's `xid`.
- During the commit (i.e, on `MarkCommit(xid)`), `ExpectedStateTraceRecordHandler` will retrieve and iterate the internal `WriteBatch` and finally apply those writes to `ExpectedState`
- During the rollback (i.e, on `MarkRollback(xid)`), `ExpectedStateTraceRecordHandler` will erase the internal `WriteBatch` from the map.
For (b) - one major issue described below:
- TransactionsDB in db stress recovers prepared-but-not-committed txns from the previous crashed run by randomly committing or rolling back it at the start of the current run, see a historical [PR](
|
2 years ago |
|
sdong
|
736a7b5433 |
Remove own ToString() (#9955)
Summary: ToString() is created as some platform doesn't support std::to_string(). However, we've already used std::to_string() by mistake for 16 months (in db/db_info_dumper.cc). This commit just remove ToString(). Pull Request resolved: https://github.com/facebook/rocksdb/pull/9955 Test Plan: Watch CI tests Reviewed By: riversand963 Differential Revision: D36176799 fbshipit-source-id: bdb6dcd0e3a3ab96a1ac810f5d0188f684064471 |
3 years ago |
|
Jay Zhuang
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d3a2f284d9 |
Add Temperature info in `NewSequentialFile()` (#9499)
Summary: Add Temperature hints information from RocksDB in API `NewSequentialFile()`. backup and checkpoint operations need to open the source files with `NewSequentialFile()`, which will have the temperature hints. Other operations are not covered. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9499 Test Plan: Added unittest Reviewed By: pdillinger Differential Revision: D34006115 Pulled By: jay-zhuang fbshipit-source-id: 568b34602b76520e53128672bd07e9d886786a2f |
3 years ago |
|
Yanqin Jin
|
685044dff2 |
Remove timestamp from key in expected state (#9525)
Summary: The keys as part of write batch read from trace file can contain trailing timestamps. This PR removes them before calling `ExpectedState`. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9525 Test Plan: make check make crash_test_with_ts Reviewed By: ajkr Differential Revision: D34082358 Pulled By: riversand963 fbshipit-source-id: 78c925659e2a19e4a8278fb4a8ddf5070e265c04 |
3 years ago |
|
Andrew Kryczka
|
ed75dddc35 |
Optimize db_stress setup phase (#9475)
Summary: It is too slow that our `db_crashtest.py` often kills `db_stress` before the setup phase completes. Profiled it and found a few ways to optimize. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9475 Test Plan: Measured setup phase time reduced 22% (36 -> 28 seconds) for first run, and 36% (38 -> 24 seconds) for non-first run on empty-ish DB. - first run benchmark command: `rm -rf /dev/shm/dbstress*/ && mkdir -p /dev/shm/dbstress_expected/ && ./db_stress -max_key=100000000 -destroy_db_initially=1 -expected_values_dir=/dev/shm/dbstress_expected/ -db=/dev/shm/dbstress/ --clear_column_family_one_in=0 --reopen=0 --nooverwritepercent=1` output before this PR: ``` 2022/01/31-11:14:05 Initializing db_stress ... 2022/01/31-11:14:41 Starting database operations ``` output after this PR: ``` ... 2022/01/31-11:12:23 Initializing db_stress ... 2022/01/31-11:12:51 Starting database operations ``` - non-first run benchmark command: `./db_stress -max_key=100000000 -destroy_db_initially=0 -expected_values_dir=/dev/shm/dbstress_expected/ -db=/dev/shm/dbstress/ --clear_column_family_one_in=0 --reopen=0 --nooverwritepercent=1` output before this PR: ``` 2022/01/31-11:20:45 Initializing db_stress ... 2022/01/31-11:21:23 Starting database operations ``` output after this PR: ``` 2022/01/31-11:22:02 Initializing db_stress ... 2022/01/31-11:22:26 Starting database operations ``` - ran minified crash test a while: `DEBUG_LEVEL=0 TEST_TMPDIR=/dev/shm python3 tools/db_crashtest.py blackbox --simple --interval=10 --max_key=1000000 --write_buffer_size=1048576 --target_file_size_base=1048576 --max_bytes_for_level_base=4194304 --value_size_mult=33` Reviewed By: anand1976 Differential Revision: D33897793 Pulled By: ajkr fbshipit-source-id: 0d7b2c93e1e2a9f8a878e87632c2455406313087 |
3 years ago |
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Andrew Kryczka
|
aa2b3bf675 |
Added `TraceOptions::preserve_write_order` (#9334)
Summary: This option causes trace records to be written in the serialized write thread. That way, the write records in the trace must follow the same order as writes that are logged to WAL and writes that are applied to the DB. By default I left it disabled to match existing behavior. I enabled it in `db_stress`, though, as that use case requires order of write records in trace matches the order in WAL. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9334 Test Plan: - See if below unsynced data loss crash test can run for 24h straight. It used to crash after a few hours when reaching an unlucky trace ordering. ``` DEBUG_LEVEL=0 TEST_TMPDIR=/dev/shm /usr/local/bin/python3 -u tools/db_crashtest.py blackbox --interval=10 --max_key=100000 --write_buffer_size=524288 --target_file_size_base=524288 --max_bytes_for_level_base=2097152 --value_size_mult=33 --sync_fault_injection=1 --test_batches_snapshots=0 --duration=86400 ``` Reviewed By: zhichao-cao Differential Revision: D33301990 Pulled By: ajkr fbshipit-source-id: 82d97559727adb4462a7af69758449c8725b22d3 |
3 years ago |
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Andrew Kryczka
|
2ee20a669d |
Extend trace filtering to more operation types (#9335)
Summary: - Extended trace filtering to cover `MultiGet()`, `Seek()`, and `SeekForPrev()`. Now all user ops that can be traced support filtering. - Enabled the new filter masks in `db_stress` since it only cares to trace writes. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9335 Test Plan: - trace-heavy `db_stress` command reduced 30% elapsed time (79.21 -> 55.47 seconds) Benchmark command: ``` $ /usr/bin/time ./db_stress -ops_per_thread=100000 -sync_fault_injection=1 --db=/dev/shm/rocksdb_stress_db/ --expected_values_dir=/dev/shm/rocksdb_stress_expected/ --clear_column_family_one_in=0 ``` - replay-heavy `db_stress` command reduced 12.4% elapsed time (23.69 -> 20.75 seconds) Setup command: ``` $ ./db_stress -ops_per_thread=100000000 -sync_fault_injection=1 -db=/dev/shm/rocksdb_stress_db/ -expected_values_dir=/dev/shm/rocksdb_stress_expected --clear_column_family_one_in=0 & sleep 120; pkill -9 db_stress ``` Benchmark command: ``` $ /usr/bin/time ./db_stress -ops_per_thread=1 -reopen=0 -expected_values_dir=/dev/shm/rocksdb_stress_expected/ -db=/dev/shm/rocksdb_stress_db/ --clear_column_family_one_in=0 --destroy_db_initially=0 ``` Reviewed By: zhichao-cao Differential Revision: D33304580 Pulled By: ajkr fbshipit-source-id: 0df10f87c1fc506e9484b6b42cea2ef96c7ecd65 |
3 years ago |
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Andrew Kryczka
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dfff1cecff |
Filter `Get()`s from `db_stress` traces (#9315)
Summary: `db_stress` traces are used for tracking unsynced changes. For that purpose, we only need to track writes and not reads. Currently `TraceOptions` only supports excluding `Get()`s from the trace, so this PR only excludes `Get()`s. In the future it would be good to exclude `MultiGet()`s and iterator operations too. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9315 Test Plan: - trace-heavy `db_stress` command elapsed time reduced 37% Benchmark: ``` TEST_TMPDIR=/dev/shm /usr/bin/time ./db_stress -ops_per_thread=100000 -sync_fault_injection=1 -expected_values_dir=/dev/shm/dbstress_expected --clear_column_family_one_in=0 ``` - replay-heavy `db_stress` command elapsed time reduced 38% Setup: ``` TEST_TMPDIR=/dev/shm /usr/bin/time ./db_stress -ops_per_thread=100000000 -sync_fault_injection=1 -expected_values_dir=/dev/shm/dbstress_expected --clear_column_family_one_in=0 & sleep 120; pkill -9 db_stress ``` Benchmark: ``` TEST_TMPDIR=/dev/shm /usr/bin/time ./db_stress -ops_per_thread=1 -reopen=0 -expected_values_dir=/dev/shm/dbstress_expected --clear_column_family_one_in=0 --destroy_db_initially=0 ``` Reviewed By: zhichao-cao Differential Revision: D33229900 Pulled By: ajkr fbshipit-source-id: 0e4251c674d236ddbc4548e9bbfdd608bf3cdc93 |
3 years ago |
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Andrew Kryczka
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b448b71222 |
`db_stress` tolerate incomplete tail records in trace file (#9316)
Summary: I saw the following error when running crash test for a while with unsynced data loss: ``` Error restoring historical expected values: Corruption: Corrupted trace file. ``` The trace file turned out to have an incomplete tail record. This is normal considering blackbox kills `db_stress` while trace can be ongoing. In the case where the trace file is not otherwise corrupted, there should be enough records already seen to sync up the expected state with the recovered DB. This PR ignores any `Status::Corruption` the `Replayer` returns when that happens. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9316 Reviewed By: jay-zhuang Differential Revision: D33230579 Pulled By: ajkr fbshipit-source-id: 9814af4e39e57f00d85be7404363211762f9b41b |
3 years ago |
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Andrew Kryczka
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863c78d2c9 |
Fix unsynced data loss correctness test with mixed `-test_batches_snapshots` (#9302)
Summary: This fixes two bugs in the recently committed DB verification following crash-recovery with unsynced data loss (https://github.com/facebook/rocksdb/issues/8966): The first bug was in crash test runs involving mixed values for `-test_batches_snapshots`. The problem was we were neither restoring expected values nor enabling tracing when `-test_batches_snapshots=1`. This caused a future `-test_batches_snapshots=0` run to not find enough trace data to restore expected values. The fix is to restore expected values at the start of `-test_batches_snapshots=1` runs, but still leave tracing disabled as we do not need to track those KVs. The second bug was in `db_stress` runs that restore the expected values file and use compaction filter. The compaction filter was initialized to use the pre-restore expected values, which would be `munmap()`'d during `FileExpectedStateManager::Restore()`. Then compaction filter would run into a segfault. The fix is just to reorder compaction filter init after expected values restore. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9302 Test Plan: - To verify the first problem, the below sequence used to fail; now it passes. ``` $ ./db_stress --db=./test-db/ --expected_values_dir=./test-db-expected/ --max_key=100000 --ops_per_thread=1000 --sync_fault_injection=1 --clear_column_family_one_in=0 --destroy_db_initially=0 -reopen=0 -test_batches_snapshots=0 $ ./db_stress --db=./test-db/ --expected_values_dir=./test-db-expected/ --max_key=100000 --ops_per_thread=1000 --sync_fault_injection=1 --clear_column_family_one_in=0 --destroy_db_initially=0 -reopen=0 -test_batches_snapshots=1 $ ./db_stress --db=./test-db/ --expected_values_dir=./test-db-expected/ --max_key=100000 --ops_per_thread=1000 --sync_fault_injection=1 --clear_column_family_one_in=0 --destroy_db_initially=0 -reopen=0 -test_batches_snapshots=0 ``` - The second problem occurred rarely in the form of a SIGSEGV on a file that was `munmap()`d. I have not seen it after this PR though this doesn't prove much. Reviewed By: jay-zhuang Differential Revision: D33155283 Pulled By: ajkr fbshipit-source-id: 66fd0f0edf34015a010c30015f14f104734e964e |
3 years ago |
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Andrew Kryczka
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c9818b3325 |
db_stress verify with lost unsynced operations (#8966)
Summary: When a previous run left behind historical state/trace files (implying it was run with --sync_fault_injection set), this PR uses them to restore the expected state according to the DB's recovered sequence number. That way, a tail of latest unsynced operations are permitted to be dropped, as is the case when data in page cache or certain `Env`s is lost. The point of the verification in this scenario is just to ensure there is no hole in the recovered data. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8966 Test Plan: - ran it a while, made sure it is restoring expected values using the historical state/trace files: ``` $ rm -rf ./tmp-db/ ./exp/ && mkdir -p ./tmp-db/ ./exp/ && while ./db_stress -compression_type=none -clear_column_family_one_in=0 -expected_values_dir=./exp -sync_fault_injection=1 -destroy_db_initially=0 -db=./tmp-db -max_key=1000000 -ops_per_thread=10000 -reopen=0 -threads=32 ; do : ; done ``` Reviewed By: pdillinger Differential Revision: D31219445 Pulled By: ajkr fbshipit-source-id: f0e1d51fe5b35465b00565c33331190ea38ba0ad |
3 years ago |
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Hui Xiao
|
66b31c5098 |
Fix -Werror=maybe-uninitialized in db_stress_tool (#9265)
Summary:
Context/Summary:
Uninitialized variable `SequenceNumber old_saved_seqno` causes asan related compilation error/warning below:
```
db_stress_tool/expected_state.cc:308:55: error: ‘old_saved_seqno’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
308 | if (s.ok() && old_saved_seqno != kMaxSequenceNumber &&
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
```
Fix it by initializing to 0.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/9265
Test Plan:
- make clean && COMPILE_WITH_ASAN=1 make -j48 db_stress_tool/expected_state.o
- monitor if same error happens again after merging
Reviewed By: ajkr
Differential Revision: D32939630
Pulled By: hx235
fbshipit-source-id: 41697515fd11ada8427f606b5dceb4e58d12cb80
|
3 years ago |
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Andrew Kryczka
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a6a6aad74e |
db_stress support tracking historical values (#8960)
Summary: When `--sync_fault_injection` is set, this PR takes a snapshot of the expected values and starts an operation trace when the DB is opened. These files are stored in `--expected_values_dir`. They will be used for recovering the expected state of the DB following a crash where a suffix of unsynced operations are allowed to be lost. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8960 Test Plan: injected crashed at various points in `FileExpectedStateManager` and verified the next run recovers the state/trace file with highest seqno and removes all older/temporary files. Note we don't use sync_fault_injection in CI crash tests yet. Reviewed By: pdillinger Differential Revision: D31194941 Pulled By: ajkr fbshipit-source-id: b0f935a529a0186c5a9c7709fcaa8829de8a84cf |
3 years ago |
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Andrew Kryczka
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559943cdc0 |
Refactor expected state in stress/crash test (#8913)
Summary: This is a precursor refactoring to enable an upcoming feature: persistence failure correctness testing. - Changed `--expected_values_path` to `--expected_values_dir` and migrated "db_crashtest.py" to use the new flag. For persistence failure correctness testing there are multiple possible correct states since unsynced data is allowed to be dropped. Making it possible to restore all these possible correct states will eventually involve files containing snapshots of expected values and DB trace files. - The expected values directory is managed by an `ExpectedStateManager` instance. Managing expected state files is separated out of `SharedState` to prevent `SharedState` from becoming too complex when the new files and features (snapshotting, tracing, and restoring) are introduced. - Migrated expected values file access/management out of `SharedState` into a separate class called `ExpectedState`. This is not exposed directly to the test but rather the `ExpectedState` for the latest values file is accessed via a pass-through API on `ExpectedStateManager`. This forces the test to always access the single latest `ExpectedState`. - Changed the initialization of the latest expected values file to use a tempfile followed by rename, and also add cleanup logic for possible stranded tempfiles. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8913 Test Plan: run in several ways; try to make sure it's not obviously broken. - crashtest blackbox without TEST_TMPDIR ``` $ python3 tools/db_crashtest.py blackbox --simple --write_buffer_size=1048576 --target_file_size_base=1048576 --max_bytes_for_level_base=4194304 --max_key=100000 --value_size_mult=33 --compression_type=none --duration=120 --interval=10 --compression_type=none --blob_compression_type=none ``` - crashtest blackbox with TEST_TMPDIR ``` $ TEST_TMPDIR=/dev/shm python3 tools/db_crashtest.py blackbox --simple --write_buffer_size=1048576 --target_file_size_base=1048576 --max_bytes_for_level_base=4194304 --max_key=100000 --value_size_mult=33 --compression_type=none --duration=120 --interval=10 --compression_type=none --blob_compression_type=none ``` - crashtest whitebox with TEST_TMPDIR ``` $ TEST_TMPDIR=/dev/shm python3 tools/db_crashtest.py whitebox --simple --write_buffer_size=1048576 --target_file_size_base=1048576 --max_bytes_for_level_base=4194304 --max_key=100000 --value_size_mult=33 --compression_type=none --duration=120 --interval=10 --compression_type=none --blob_compression_type=none --random_kill_odd=88887 ``` - db_stress without expected_values_dir ``` $ ./db_stress --write_buffer_size=1048576 --target_file_size_base=1048576 --max_bytes_for_level_base=4194304 --max_key=100000 --value_size_mult=33 --compression_type=none --ops_per_thread=10000 --clear_column_family_one_in=0 --destroy_db_initially=true ``` - db_stress with expected_values_dir and manual corruption ``` $ ./db_stress --write_buffer_size=1048576 --target_file_size_base=1048576 --max_bytes_for_level_base=4194304 --max_key=100000 --value_size_mult=33 --compression_type=none --ops_per_thread=10000 --clear_column_family_one_in=0 --destroy_db_initially=true --expected_values_dir=./ // modify one byte in "./LATEST.state" $ ./db_stress --write_buffer_size=1048576 --target_file_size_base=1048576 --max_bytes_for_level_base=4194304 --max_key=100000 --value_size_mult=33 --compression_type=none --ops_per_thread=10000 --clear_column_family_one_in=0 --destroy_db_initially=false --expected_values_dir=./ ... Verification failed for column family 0 key 0000000000000000 (0): Value not found: NotFound: ... ``` Reviewed By: riversand963 Differential Revision: D30921951 Pulled By: ajkr fbshipit-source-id: babfe218062e55d018c9b046536c0289fb78f41c |
3 years ago |