cdb11f5ce6
Summary: More code leading up to dynamic HCC. * Small enhancements to cache_bench * Extra assertion in Unref * Improve a CAS loop in ChargeUsageMaybeEvictStrict * Put load factor constants in appropriate class * Move `standalone` field to HyperClockTable::HandleImpl because it can be encoded differently in the upcoming dynamic HCC. * Add a typed version of MemMapping to simplify some future code. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11670 Test Plan: existing tests, unit test added for TypedMemMapping Reviewed By: jowlyzhang Differential Revision: D48056464 Pulled By: pdillinger fbshipit-source-id: 186b7d3105c5d6d2eb6a592369bc10a97ee14a15 |
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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.