fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Andrew Kryczka c7ce03dce1 db_stress begin tracking expected state after verification (#9470) ... Summary: Previously we enabled tracking expected state changes during `FinishInitDb()`, as soon as the DB was opened. This meant tracing was enabled during `VerifyDb()`. This cost extra CPU by requiring `DBImpl::trace_mutex_` to be acquired on each read operation. It was unnecessary since we know there are no expected state changes during the `VerifyDb()` phase. So, this PR delays tracking expected state changes until after the `VerifyDb()` phase has completed. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9470 Test Plan: Measured this PR reduced `VerifyDb()` 76% (387 -> 92 seconds) with `-disable_wal=1` (i.e., expected state tracking enabled). - benchmark command: `./db_stress -max_key=100000000 -ops_per_thread=1 -destroy_db_initially=1 -expected_values_dir=/dev/shm/dbstress_expected/ -db=/dev/shm/dbstress/ --clear_column_family_one_in=0 --disable_wal=1 --reopen=0` - without this PR, `VerifyDb()` takes 387 seconds: ``` 2022/01/30-21:43:04 Initializing worker threads Crash-recovery verification passed :) 2022/01/30-21:49:31 Starting database operations ``` - with this PR, `VerifyDb()` takes 92 seconds ``` 2022/01/30-21:59:06 Initializing worker threads Crash-recovery verification passed :) 2022/01/30-22:00:38 Starting database operations ``` Reviewed By: riversand963 Differential Revision: D33884596 Pulled By: ajkr fbshipit-source-id: 5f259de8087de5b0531f088e11297f37ed2f7685		3 years ago
..
CMakeLists.txt	Stress test for RocksDB transactions (#8936)	3 years ago
batched_ops_stress.cc	db_stress print hex key for MultiGet() inconsistency (#9324)	3 years ago
cf_consistency_stress.cc	db_stress support tracking historical values (#8960)	3 years ago
db_stress.cc	Add (& fix) some simple source code checks (#8821)	3 years ago
db_stress_common.cc	db_stress: db_stress fails on custom filesystems. (#9352)	3 years ago
db_stress_common.h	Remove obsolete backupable_db.h, utility_db.h (#9438)	3 years ago
db_stress_compaction_filter.h	Prevent deadlock in db_stress with DbStressCompactionFilter (#8956)	3 years ago
db_stress_driver.cc	db_stress begin tracking expected state after verification (#9470)	3 years ago
db_stress_driver.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
db_stress_env_wrapper.h	Make the Env class Customizable (#9293)	3 years ago
db_stress_gflags.cc	Move HDFS support to separate repo (#9170)	3 years ago
db_stress_listener.cc	db_stress: db_stress fails on custom filesystems. (#9352)	3 years ago
db_stress_listener.h	db_stress: db_stress fails on custom filesystems. (#9352)	3 years ago
db_stress_shared_state.cc	Silence false alarms in db_stress fault injection (#6741)	4 years ago
db_stress_shared_state.h	Set the number of threads up front in db_stress (#9466)	3 years ago
db_stress_stat.cc	Fix Statistics in db_stress (#9260)	3 years ago
db_stress_stat.h	Fix Statistics in db_stress (#9260)	3 years ago
db_stress_table_properties_collector.h	Fix and detect headers with missing dependencies (#8893)	3 years ago
db_stress_test_base.cc	db_stress begin tracking expected state after verification (#9470)	3 years ago
db_stress_test_base.h	db_stress begin tracking expected state after verification (#9470)	3 years ago
db_stress_tool.cc	db_stress: db_stress fails on custom filesystems. (#9352)	3 years ago
expected_state.cc	Added `TraceOptions::preserve_write_order` (#9334)	3 years ago
expected_state.h	db_stress verify with lost unsynced operations (#8966)	3 years ago
multi_ops_txns_stress.cc	Make the Env class Customizable (#9293)	3 years ago
multi_ops_txns_stress.h	Stress test for RocksDB transactions (#8936)	3 years ago
no_batched_ops_stress.cc	db_stress support tracking historical values (#8960)	3 years ago