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16 Commits (1567108fc10e50c68f6d9df1223c1c6e2d6aab2e)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Hui Xiao
|
151242ce46 |
Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288)
Summary:
**Context:**
The existing stat rocksdb.sst.read.micros does not reflect each of compaction and flush cases but aggregate them, which is not so helpful for us to understand IO read behavior of each of them.
**Summary**
- Update `StopWatch` and `RandomAccessFileReader` to record `rocksdb.sst.read.micros` and `rocksdb.file.{flush/compaction}.read.micros`
- Fixed the default histogram in `RandomAccessFileReader`
- New field `ReadOptions/IOOptions::io_activity`; Pass `ReadOptions` through paths under db open, flush and compaction to where we can prepare `IOOptions` and pass it to `RandomAccessFileReader`
- Use `thread_status_util` for assertion in `DbStressFSWrapper` for continuous testing on we are passing correct `io_activity` under db open, flush and compaction
Pull Request resolved: https://github.com/facebook/rocksdb/pull/11288
Test Plan:
- **Stress test**
- **Db bench 1: rocksdb.sst.read.micros COUNT ≈ sum of rocksdb.file.read.flush.micros's and rocksdb.file.read.compaction.micros's.** (without blob)
- May not be exactly the same due to `HistogramStat::Add` only guarantees atomic not accuracy across threads.
```
./db_bench -db=/dev/shm/testdb/ -statistics=true -benchmarks="fillseq" -key_size=32 -value_size=512 -num=50000 -write_buffer_size=655 -target_file_size_base=655 -disable_auto_compactions=false -compression_type=none -bloom_bits=3 (-use_plain_table=1 -prefix_size=10)
```
```
// BlockBasedTable
rocksdb.sst.read.micros P50 : 2.009374 P95 : 4.968548 P99 : 8.110362 P100 : 43.000000 COUNT : 40456 SUM : 114805
rocksdb.file.read.flush.micros P50 : 1.871841 P95 : 3.872407 P99 : 5.540541 P100 : 43.000000 COUNT : 2250 SUM : 6116
rocksdb.file.read.compaction.micros P50 : 2.023109 P95 : 5.029149 P99 : 8.196910 P100 : 26.000000 COUNT : 38206 SUM : 108689
// PlainTable
Does not apply
```
- **Db bench 2: performance**
**Read**
SETUP: db with 900 files
```
./db_bench -db=/dev/shm/testdb/ -benchmarks="fillseq" -key_size=32 -value_size=512 -num=50000 -write_buffer_size=655 -disable_auto_compactions=true -target_file_size_base=655 -compression_type=none
```run till convergence
```
./db_bench -seed=1678564177044286 -use_existing_db=true -db=/dev/shm/testdb -benchmarks=readrandom[-X60] -statistics=true -num=1000000 -disable_auto_compactions=true -compression_type=none -bloom_bits=3
```
Pre-change
`readrandom [AVG 60 runs] : 21568 (± 248) ops/sec`
Post-change (no regression, -0.3%)
`readrandom [AVG 60 runs] : 21486 (± 236) ops/sec`
**Compaction/Flush**run till convergence
```
./db_bench -db=/dev/shm/testdb2/ -seed=1678564177044286 -benchmarks="fillseq[-X60]" -key_size=32 -value_size=512 -num=50000 -write_buffer_size=655 -disable_auto_compactions=false -target_file_size_base=655 -compression_type=none
rocksdb.sst.read.micros COUNT : 33820
rocksdb.sst.read.flush.micros COUNT : 1800
rocksdb.sst.read.compaction.micros COUNT : 32020
```
Pre-change
`fillseq [AVG 46 runs] : 1391 (± 214) ops/sec; 0.7 (± 0.1) MB/sec`
Post-change (no regression, ~-0.4%)
`fillseq [AVG 46 runs] : 1385 (± 216) ops/sec; 0.7 (± 0.1) MB/sec`
Reviewed By: ajkr
Differential Revision: D44007011
Pulled By: hx235
fbshipit-source-id: a54c89e4846dfc9a135389edf3f3eedfea257132
|
2 years ago |
|
Levi Tamasi
|
0efd7b4ba1 |
Extend the stress test coverage of MultiGetEntity (#11336)
Summary: Similarly to `GetEntity` prior to https://github.com/facebook/rocksdb/issues/11303, the `MultiGetEntity` API is currently only used in the DB verification logic of the stress tests. The patch introduces a new mode where all point lookups are performed using `MultiGetEntity`, and implements the corresponding logic in the non-batched, batched, and CF consistency tests. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11336 Test Plan: Ran simple blackbox tests for the various stress test flavors. Reviewed By: akankshamahajan15 Differential Revision: D44513285 Pulled By: ltamasi fbshipit-source-id: c3db098501bf875b6a356b09fc676a0268d92c35 |
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 |
|
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 |
|
Andrew Kryczka
|
6ce782beaf |
move db_stress locking to `StressTest::Test*()` functions (#10678)
Summary: One problem of the previous strategy was `NonBatchedOpsStressTest::TestIngestExternalFile()` could release the lock for `rand_keys[0]` in `rand_column_families[0]`, and then subsequent operations in the same loop iteration (e.g., `TestPut()`) would run without locking. This PR changes the strategy so each `Test*()` function is responsible for acquiring and releasing its own locks. Pull Request resolved: https://github.com/facebook/rocksdb/pull/10678 Reviewed By: hx235 Differential Revision: D39516401 Pulled By: ajkr fbshipit-source-id: bf67f12ebbd293ba8c24fdf8754ff28737bcd758 |
2 years ago |
|
Yanqin Jin
|
b443d24f4d |
Stop operating on DB in a stress test background thread (#10373)
Summary: Stress test background threads do not coordinate with test worker threads for db reopen in the middle of a test run, thus accessing db obj in a stress test bg thread can race with test workers. Remove the TimestampedSnapshotThread. Pull Request resolved: https://github.com/facebook/rocksdb/pull/10373 Test Plan: ``` ./db_stress --acquire_snapshot_one_in=0 --adaptive_readahead=0 --allow_concurrent_memtable_write=1 \ --allow_data_in_errors=True --async_io=0 --avoid_flush_during_recovery=0 --avoid_unnecessary_blocking_io=1 \ --backup_max_size=104857600 --backup_one_in=100000 --batch_protection_bytes_per_key=8 \ --block_size=16384 --bloom_bits=7.580319535285394 --bottommost_compression_type=disable \ --bytes_per_sync=262144 --cache_index_and_filter_blocks=0 --cache_size=8388608 --cache_type=lru_cache \ --charge_compression_dictionary_building_buffer=1 --charge_file_metadata=0 --charge_filter_construction=1 \ --charge_table_reader=0 --checkpoint_one_in=0 --checksum_type=kxxHash64 --clear_column_family_one_in=0 \ --compact_files_one_in=1000000 --compact_range_one_in=0 --compaction_pri=1 --compaction_ttl=0 \ --compression_max_dict_buffer_bytes=0 --compression_max_dict_bytes=0 --compression_parallel_threads=1 \ --compression_type=xpress --compression_use_zstd_dict_trainer=1 --compression_zstd_max_train_bytes=0 \ --continuous_verification_interval=0 --create_timestamped_snapshot_one_in=20 --data_block_index_type=0 \ --db=/dev/shm/rocksdb/ --db_write_buffer_size=0 --delpercent=5 --delrangepercent=0 --destroy_db_initially=1 \ --detect_filter_construct_corruption=0 --disable_wal=0 --enable_compaction_filter=1 --enable_pipelined_write=0 \ --fail_if_options_file_error=1 --file_checksum_impl=xxh64 --flush_one_in=1000000 --format_version=2 \ --get_current_wal_file_one_in=0 --get_live_files_one_in=1000000 --get_property_one_in=1000000 \ --get_sorted_wal_files_one_in=0 --index_block_restart_interval=11 --index_type=0 --ingest_external_file_one_in=0 \ --iterpercent=0 --key_len_percent_dist=1,30,69 --level_compaction_dynamic_level_bytes=True \ --log2_keys_per_lock=10 --long_running_snapshots=0 --mark_for_compaction_one_file_in=10 \ --max_background_compactions=20 --max_bytes_for_level_base=10485760 --max_key=25000000 \ --max_key_len=3 --max_manifest_file_size=1073741824 --max_write_batch_group_size_bytes=64 \ --max_write_buffer_number=3 --max_write_buffer_size_to_maintain=0 --memtable_prefix_bloom_size_ratio=0.5 \ --memtable_whole_key_filtering=1 --memtablerep=skip_list --mmap_read=0 --mock_direct_io=True \ --nooverwritepercent=1 --open_files=500000 --open_metadata_write_fault_one_in=0 \ --open_read_fault_one_in=0 --open_write_fault_one_in=0 --ops_per_thread=20000 \ --optimize_filters_for_memory=1 --paranoid_file_checks=1 --partition_filters=0 --partition_pinning=2 \ --pause_background_one_in=1000000 --periodic_compaction_seconds=0 --prefix_size=1 \ --prefixpercent=5 --prepopulate_block_cache=0 --progress_reports=0 --read_fault_one_in=1000 \ --readpercent=55 --recycle_log_file_num=0 --reopen=100 --ribbon_starting_level=8 \ --secondary_cache_fault_one_in=0 --secondary_cache_uri= --snapshot_hold_ops=100000 \ --sst_file_manager_bytes_per_sec=104857600 --sst_file_manager_bytes_per_truncate=0 \ --subcompactions=3 --sync=0 --sync_fault_injection=0 --target_file_size_base=2097152 \ --target_file_size_multiplier=2 --test_batches_snapshots=0 --top_level_index_pinning=1 \ --txn_write_policy=0 --unordered_write=0 --unpartitioned_pinning=0 \ --use_direct_io_for_flush_and_compaction=0 --use_direct_reads=1 --use_full_merge_v1=1 \ --use_merge=1 --use_multiget=0 --use_txn=1 --user_timestamp_size=0 --value_size_mult=32 \ --verify_checksum=1 --verify_checksum_one_in=1000000 --verify_db_one_in=100000 \ --verify_sst_unique_id_in_manifest=1 --wal_bytes_per_sync=0 --wal_compression=none \ --write_buffer_size=4194304 --write_dbid_to_manifest=0 --writepercent=35 ``` make crash_test_with_txn make crash_test_with_multiops_wc_txn Reviewed By: jay-zhuang Differential Revision: D37903189 Pulled By: riversand963 fbshipit-source-id: cd1728ad7ba4ce4cf47af23c4f65dda0956744f9 |
2 years ago |
|
Yanqin Jin
|
2f13f5f7d0 |
Add coverage for timestamped snapshot to MultiOpsTxnsStressTest (#10325)
Summary: As title. Pull Request resolved: https://github.com/facebook/rocksdb/pull/10325 Test Plan: ```bash TEST_TMPDIR=/dev/shm/rocksdb/ make crash_test_with_multiops_wc_txn TEST_TMPDIR=/dev/shm/rocksdb/ make crash_test_with_txn ``` Reviewed By: akankshamahajan15 Differential Revision: D37688742 Pulled By: riversand963 fbshipit-source-id: e198ace921898af63f99e869568c1a7bbf69f1a4 |
2 years ago |
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Yanqin Jin
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bfaf8291c5 |
Fix a race condition in transaction stress test (#10157)
Summary: Before this PR, there can be a race condition between the thread calling `StressTest::Open()` and a background compaction thread calling `MultiOpsTxnsStressTest::VerifyPkSkFast()`. ``` Time thread1 bg_compact_thr | TransactionDB::Open(..., &txn_db_) | db_ is still nullptr | db_->GetSnapshot() // segfault | db_ = txn_db_ V ``` Pull Request resolved: https://github.com/facebook/rocksdb/pull/10157 Test Plan: CI Reviewed By: akankshamahajan15 Differential Revision: D37121653 Pulled By: riversand963 fbshipit-source-id: 6a53117f958e9ee86f77297fdeb843e5160a9331 |
2 years ago |
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Andrew Kryczka
|
62d84e2a2b |
db_stress fault injection in release mode (#9957)
Summary: Previously all fault injection was ignored in release mode. This PR adds it back except for read fault injection (`--read_fault_one_in > 0`) since its dependency (`IGNORE_STATUS_IF_ERROR`) is unavailable in release mode. Other notable changes include: - Moved `EnableWriteErrorInjection()` for `--write_fault_one_in > 0` so it's after `DB::Open()` without depending on `SyncPoint` - Made `--read_fault_one_in > 0` return an error in release mode - Updated `db_crashtest.py` to always set `--read_fault_one_in=0` in release mode Pull Request resolved: https://github.com/facebook/rocksdb/pull/9957 Test Plan: ``` $ DEBUG_LEVEL=0 make -j24 db_stress $ DEBUG_LEVEL=0 TEST_TMPDIR=/dev/shm python3 tools/db_crashtest.py blackbox ``` Reviewed By: anand1976 Differential Revision: D36193830 Pulled By: ajkr fbshipit-source-id: 0b97946b4e3f06e3e0f6e7833c2763da08ec5321 |
3 years ago |
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Yanqin Jin
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06394ff4e7 |
Fix a bug of CompactionIterator/CompactionFilter using `Delete` (#9929)
Summary: When compaction filter determines that a key should be removed, it updates the internal key's type to `Delete`. If this internal key is preserved in current compaction but seen by a later compaction together with `SingleDelete`, it will cause compaction iterator to return Corruption. To fix the issue, compaction filter should return more information in addition to the intention of removing a key. Therefore, we add a new `kRemoveWithSingleDelete` to `CompactionFilter::Decision`. Seeing `kRemoveWithSingleDelete`, compaction iterator will update the op type of the internal key to `kTypeSingleDelete`. In addition, I updated db_stress_shared_state.[cc|h] so that `no_overwrite_ids_` becomes `const`. It is easier to reason about thread-safety if accessed from multiple threads. This information is passed to `PrepareTxnDBOptions()` when calling from `Open()` so that we can set up the rollback deletion type callback for transactions. Finally, disable compaction filter for multiops_txn because the key removal logic of `DbStressCompactionFilter` does not quite work with `MultiOpsTxnsStressTest`. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9929 Test Plan: make check make crash_test make crash_test_with_txn Reviewed By: anand1976 Differential Revision: D36069678 Pulled By: riversand963 fbshipit-source-id: cedd2f1ba958af59ad3916f1ba6f424307955f92 |
3 years ago |
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Yanqin Jin
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94e245a14d |
Improve stress test for MultiOpsTxnsStressTest (#9829)
Summary: Adds more coverage to `MultiOpsTxnsStressTest` with a focus on write-prepared transactions. 1. Add a hack to manually evict commit cache entries. We currently cannot assign small values to `wp_commit_cache_bits` because it requires a prepared transaction to commit within a certain range of sequence numbers, otherwise it will throw. 2. Add coverage for commit-time-write-batch. If write policy is write-prepared, we need to set `use_only_the_last_commit_time_batch_for_recovery` to true. 3. After each flush/compaction, verify data consistency. This is possible since data size can be small: default numbers of primary/secondary keys are just 1000. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9829 Test Plan: ``` TEST_TMPDIR=/dev/shm/rocksdb_crashtest_blackbox/ make blackbox_crash_test_with_multiops_wp_txn ``` Reviewed By: pdillinger Differential Revision: D35806678 Pulled By: riversand963 fbshipit-source-id: d7fde7a29fda0fb481a61f553e0ca0c47da93616 |
3 years ago |
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Yanqin Jin
|
5894761056 |
Improve stress test for transactions (#9568)
Summary: Test only, no change to functionality. Extremely low risk of library regression. Update test key generation by maintaining existing and non-existing keys. Update db_crashtest.py to drive multiops_txn stress test for both write-committed and write-prepared. Add a make target 'blackbox_crash_test_with_multiops_txn'. Running the following commands caught the bug exposed in https://github.com/facebook/rocksdb/issues/9571. ``` $rm -rf /tmp/rocksdbtest/* $./db_stress -progress_reports=0 -test_multi_ops_txns -use_txn -clear_column_family_one_in=0 \ -column_families=1 -writepercent=0 -delpercent=0 -delrangepercent=0 -customopspercent=60 \ -readpercent=20 -prefixpercent=0 -iterpercent=20 -reopen=0 -ops_per_thread=1000 -ub_a=10000 \ -ub_c=100 -destroy_db_initially=0 -key_spaces_path=/dev/shm/key_spaces_desc -threads=32 -read_fault_one_in=0 $./db_stress -progress_reports=0 -test_multi_ops_txns -use_txn -clear_column_family_one_in=0 -column_families=1 -writepercent=0 -delpercent=0 -delrangepercent=0 -customopspercent=60 -readpercent=20 \ -prefixpercent=0 -iterpercent=20 -reopen=0 -ops_per_thread=1000 -ub_a=10000 -ub_c=100 -destroy_db_initially=0 \ -key_spaces_path=/dev/shm/key_spaces_desc -threads=32 -read_fault_one_in=0 ``` Running the following command caught a bug which will be fixed in https://github.com/facebook/rocksdb/issues/9648 . ``` $TEST_TMPDIR=/dev/shm make blackbox_crash_test_with_multiops_wc_txn ``` Pull Request resolved: https://github.com/facebook/rocksdb/pull/9568 Reviewed By: jay-zhuang Differential Revision: D34308154 Pulled By: riversand963 fbshipit-source-id: 99ff1b65c19b46c471d2f2d3b47adcd342a1b9e7 |
3 years ago |
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Andrew Kryczka
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babe56ddba |
Add rate limiter priority to ReadOptions (#9424)
Summary: Users can set the priority for file reads associated with their operation by setting `ReadOptions::rate_limiter_priority` to something other than `Env::IO_TOTAL`. Rate limiting `VerifyChecksum()` and `VerifyFileChecksums()` is the motivation for this PR, so it also includes benchmarks and minor bug fixes to get that working. `RandomAccessFileReader::Read()` already had support for rate limiting compaction reads. I changed that rate limiting to be non-specific to compaction, but rather performed according to the passed in `Env::IOPriority`. Now the compaction read rate limiting is supported by setting `rate_limiter_priority = Env::IO_LOW` on its `ReadOptions`. There is no default value for the new `Env::IOPriority` parameter to `RandomAccessFileReader::Read()`. That means this PR goes through all callers (in some cases multiple layers up the call stack) to find a `ReadOptions` to provide the priority. There are TODOs for cases I believe it would be good to let user control the priority some day (e.g., file footer reads), and no TODO in cases I believe it doesn't matter (e.g., trace file reads). The API doc only lists the missing cases where a file read associated with a provided `ReadOptions` cannot be rate limited. For cases like file ingestion checksum calculation, there is no API to provide `ReadOptions` or `Env::IOPriority`, so I didn't count that as missing. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9424 Test Plan: - new unit tests - new benchmarks on ~50MB database with 1MB/s read rate limit and 100ms refill interval; verified with strace reads are chunked (at 0.1MB per chunk) and spaced roughly 100ms apart. - setup command: `./db_bench -benchmarks=fillrandom,compact -db=/tmp/testdb -target_file_size_base=1048576 -disable_auto_compactions=true -file_checksum=true` - benchmarks command: `strace -ttfe pread64 ./db_bench -benchmarks=verifychecksum,verifyfilechecksums -use_existing_db=true -db=/tmp/testdb -rate_limiter_bytes_per_sec=1048576 -rate_limit_bg_reads=1 -rate_limit_user_ops=true -file_checksum=true` - crash test using IO_USER priority on non-validation reads with https://github.com/facebook/rocksdb/issues/9567 reverted: `python3 tools/db_crashtest.py blackbox --max_key=1000000 --write_buffer_size=524288 --target_file_size_base=524288 --level_compaction_dynamic_level_bytes=true --duration=3600 --rate_limit_bg_reads=true --rate_limit_user_ops=true --rate_limiter_bytes_per_sec=10485760 --interval=10` Reviewed By: hx235 Differential Revision: D33747386 Pulled By: ajkr fbshipit-source-id: a2d985e97912fba8c54763798e04f006ccc56e0c |
3 years ago |
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mrambacher
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fe31dc53ca |
Make the Env class Customizable (#9293)
Summary: Allows the Env to have options (Configurable) and loads like other Customizable classes. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9293 Reviewed By: pdillinger, zhichao-cao Differential Revision: D33181591 Pulled By: mrambacher fbshipit-source-id: 55e823886c654d214eda9eedd45ccdc54dac14d7 |
3 years ago |
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Yanqin Jin
|
e05c2bb549 |
Stress test for RocksDB transactions (#8936)
Summary: Current db_stress does not cover complex read-write transactions. Therefore, this PR adds coverage for emulated MyRocks-style transactions in `MultiOpsTxnsStressTest`. To achieve this, we need: - Add a new operation type 'customops' so that we can add new complex groups of operations, e.g. transactions involving multiple read-write operations. - Implement three read-write transactions and two read-only ones to emulate MyRocks-style transactions. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8936 Test Plan: ``` make check ./db_stress -test_multi_ops_txns -use_txn -clear_column_family_one_in=0 -column_families=1 -writepercent=0 -delpercent=0 -delrangepercent=0 -customopspercent=60 -readpercent=20 -prefixpercent=0 -iterpercent=20 -reopen=0 -ops_per_thread=100000 ``` Next step is to add more configurability and refine input generation and result reporting, which will done in separate follow-up PRs. Reviewed By: zhichao-cao Differential Revision: D31071795 Pulled By: riversand963 fbshipit-source-id: 50d7c828346ec643311336b904848a1588a37006 |
3 years ago |