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rocksdb/db_stress_tool
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akankshamahajan 97f6f475bc Fix various failures in auto_readahead_size (#11884) 
Summary:
1. **Error** in TestIterateAgainstExpected API - `Assertion index < pre_read_expected_values.size() && index < post_read_expected_values.size() failed.`
 **Fix** - `Prev` op is not supported with `auto_readahead_size`. So added support to Reseek in db_iter, if Prev is called. In BlockBasedTableIterator, index_iter_ already moves forward. So there is no way to do Prev from BlockBasedTableIterator.

2. **Error** - `void rocksdb::BlockBasedTableIterator::BlockCacheLookupForReadAheadSize(uint64_t, size_t, size_t&): Assertion index_iter_->value().handle.offset() == offset`
   **Fix** - Remove prefetch_buffer to be used when uncompressed dict is read.

3. ** Error in TestPrefixScan API - `db_stress: db/db_iter.cc:369: bool rocksdb::DBIter::FindNextUserEntryInternal(bool, const rocksdb::Slice*): Assertion !skipping_saved_key || CompareKeyForSkip(ikey_.user_key, saved_key_.GetUserKey()) > 0 failed.
Received signal 6 (Aborted)
Invoking GDB for stack trace...
db_stress: table/merging_iterator.cc:1036: bool rocksdb::MergingIterator::SkipNextDeleted(): Assertion comparator_->Compare(range_tombstone_iters_[i]->start_key(), pik) <= 0 failed`
  **Fix** -  SeekPrev also calls 1) SeekPrev , 2)Seek and then 3)Prev in some cases in db_iter.cc leading to failure of Prev operation. These backward operations also call Seek.  Added direction to disable lookup once direction is backwards in BlockBasedTableIterator.cc

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11884

Test Plan: Ran various flavors of crash tests locally for the whole duration

Reviewed By: anand1976

Differential Revision: D49834201

Pulled By: akankshamahajan15

fbshipit-source-id: 9a007b4d46a48002c43dc4623a400ecf47d997fe
2023-10-02 17:47:24 -07:00
..
batched_ops_stress.cc Add the wide-column aware merge API to the stress tests (#11906) 2023-09-29 08:54:50 -07:00
cf_consistency_stress.cc Add the wide-column aware merge API to the stress tests (#11906) 2023-09-29 08:54:50 -07:00
CMakeLists.txt Add the wide-column aware merge API to the stress tests (#11906) 2023-09-29 08:54:50 -07:00
db_stress.cc
db_stress_common.cc Add a helper method WideColumnsHelper::SortColumns (#11823) 2023-09-12 12:36:07 -07:00
db_stress_common.h Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
db_stress_compaction_filter.h
db_stress_driver.cc Inject retryable write IOError when writing to SST files in stress test (#11829) 2023-09-18 16:23:26 -07:00
db_stress_driver.h
db_stress_env_wrapper.h Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
db_stress_gflags.cc Inject retryable write IOError when writing to SST files in stress test (#11829) 2023-09-18 16:23:26 -07:00
db_stress_listener.cc
db_stress_listener.h Disable error injection after compaction completion (#11798) 2023-09-06 12:57:10 -07:00
db_stress_shared_state.cc
db_stress_shared_state.h Added compaction read errors to db_stress (#11789) 2023-09-05 10:41:29 -07:00
db_stress_stat.cc
db_stress_stat.h
db_stress_table_properties_collector.h
db_stress_test_base.cc Fix various failures in auto_readahead_size (#11884) 2023-10-02 17:47:24 -07:00
db_stress_test_base.h Do not drop unsynced data during reopen in stress test (#11731) 2023-08-22 09:47:04 -07:00
db_stress_tool.cc Add the wide-column aware merge API to the stress tests (#11906) 2023-09-29 08:54:50 -07:00
db_stress_wide_merge_operator.cc Add the wide-column aware merge API to the stress tests (#11906) 2023-09-29 08:54:50 -07:00
db_stress_wide_merge_operator.h Add the wide-column aware merge API to the stress tests (#11906) 2023-09-29 08:54:50 -07:00
expected_state.cc Add helper methods WideColumnsHelper::{Has,Get}DefaultColumn (#11813) 2023-09-11 16:32:32 -07:00
expected_state.h Improve comment of ExpectedValue in db stress (#11456) 2023-05-18 09:44:15 -07:00
expected_value.cc Improve comment of ExpectedValue in db stress (#11456) 2023-05-18 09:44:15 -07:00
expected_value.h Refactor WriteUnpreparedStressTest to be a unit test (#11424) 2023-05-22 12:31:52 -07:00
multi_ops_txns_stress.cc db_stress: Reinstate Transaction::Rollback() calls before destruction (#11656) 2023-07-30 17:30:01 -07:00
multi_ops_txns_stress.h
no_batched_ops_stress.cc Fix various failures in auto_readahead_size (#11884) 2023-10-02 17:47:24 -07:00