70bf5ef093
Summary: Use another static object to join threads instead. This change is motivated by a case in which some code using NewLRUCache() -> ShardedCacheBase -> SemiStructuredUniqueIdGen -> GenerateRawUniqueId() -> Env::Default() was happening during static destruction. I didn't see anything else in PosixEnv or base classes that would cause a problem by not destroying. (WinEnv is already not destroyed; see env_default.cc) Pull Request resolved: https://github.com/facebook/rocksdb/pull/11538UndefinedBehaviorSanitizer: undefined-behavior env/env_test.cc:3561:23 in $ ``` Test Plan: test added, which would previously fail with UBSAN: ``` $ ./env_test --gtest_filter=*Destruct* Note: Google Test filter = *Destruct* [==========] Running 1 test from 1 test case. [----------] Global test environment set-up. [----------] 1 test from EnvTestMisc [ RUN ] EnvTestMisc.StaticDestruction [ OK ] EnvTestMisc.StaticDestruction (0 ms) [----------] 1 test from EnvTestMisc (0 ms total) [----------] Global test environment tear-down [==========] 1 test from 1 test case ran. (0 ms total) [ PASSED ] 1 test. env/env_test.cc:3561:23: runtime error: member call on address 0x7f7b96671ca8 which does not point to an object of type 'rocksdb::Env' 0x7f7b96671ca8: note: object is of type 'N7rocksdb12ConfigurableE' 00 00 00 00 90 a7 f7 95 7b 7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ vptr for 'N7rocksdb12ConfigurableE' Reviewed By: jowlyzhang Differential Revision: D46737389 Pulled By: pdillinger fbshipit-source-id: 0f80a443bf799ffc5641e898cf3a75f7d10a987b |
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README.md
RocksDB: A Persistent Key-Value Store for Flash and RAM Storage
RocksDB is developed and maintained by Facebook Database Engineering Team. It is built on earlier work on LevelDB by Sanjay Ghemawat (sanjay@google.com) and Jeff Dean (jeff@google.com)
This code is a library that forms the core building block for a fast key-value server, especially suited for storing data on flash drives. It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF) and Space-Amplification-Factor (SAF). It has multi-threaded compactions, making it especially suitable for storing multiple terabytes of data in a single database.
Start with example usage here: https://github.com/facebook/rocksdb/tree/main/examples
See the github wiki for more explanation.
The public interface is in include/. Callers should not include or
rely on the details of any other header files in this package. Those
internal APIs may be changed without warning.
Questions and discussions are welcome on the RocksDB Developers Public Facebook group and email list on Google Groups.
License
RocksDB is dual-licensed under both the GPLv2 (found in the COPYING file in the root directory) and Apache 2.0 License (found in the LICENSE.Apache file in the root directory). You may select, at your option, one of the above-listed licenses.