05d9d82181
Summary: …ons (#4676)" This reverts commit b32d087dbb3b9d9f2c9597caa650d0ca9d2e2d7f. `MemoryAllocator` needs to be with `Cache`, since cache entry can outlive DB and block based table. The cache needs to hold reference to memory allocator when deleting cache entry. Pull Request resolved: https://github.com/facebook/rocksdb/pull/4697 Differential Revision: D13133490 Pulled By: yiwu-arbug fbshipit-source-id: 8ef7e8a51263bfd929f892fd062665ff4ce9ce5a
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 specially suitable for storing multiple terabytes of data in a single database.
Start with example usage here: https://github.com/facebook/rocksdb/tree/master/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.
Design discussions are conducted in https://www.facebook.com/groups/rocksdb.dev/
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.