6adc39e1bf
Summary: Follow-up to https://github.com/facebook/rocksdb/issues/8426 . The patch adds a new kind of `InternalIterator` that wraps another one and passes each key-value encountered to `BlobGarbageMeter` as inflow. This iterator will be used as an input iterator for compactions when the input SSTs reference blob files. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8443 Test Plan: `make check` Reviewed By: jay-zhuang Differential Revision: D29311987 Pulled By: ltamasi fbshipit-source-id: b4493b4c0c0c2e3c2ecc33c8969a5ef02de5d9d8 |
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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/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/ and https://rocksdb.slack.com/
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.