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rocksdb/README.md

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Make it easier to start using RocksDB Summary: This diff is addressing multiple things with a single goal -- to make RocksDB easier to use: * Add some functions to Options that make RocksDB easier to tune. * Add example code for both simple RocksDB and RocksDB with Column Families. * Rewrite our README.md Regarding Options, I took a stab at something we talked about for a long time: * https://www.facebook.com/groups/rocksdb.dev/permalink/563169950448190/ I added functions: * IncreaseParallelism() -- easy, increases the thread pool and max_background_compactions * OptimizeLevelStyleCompaction(memtable_memory_budget) -- the easiest way to optimize rocksdb for less stalls with level style compaction. This is very likely not ideal configuration. Feel free to suggest improvements. I used some of Mark's suggestions from here: https://github.com/facebook/rocksdb/issues/54 * OptimizeUniversalStyleCompaction(memtable_memory_budget) -- optimize for universal compaction. Test Plan: compiled rocksdb. ran examples. Reviewers: dhruba, MarkCallaghan, haobo, sdong, yhchiang Reviewed By: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D18621
11 years ago
## RocksDB: A Persistent Key-Value Store for Flash and RAM Storage
Add CircleCI gadget (#7028) Summary: CircleCI is stably running. Need to add a gadget. Also since Circle builds some Windows and Linux, rename Travis and Appveyor builds to their names. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7028 Reviewed By: ajkr Differential Revision: D22223756 fbshipit-source-id: 8f9dcea0b614f083e6d2a2ebf84dc6ab7c4d1601
4 years ago
[![CircleCI Status](https://circleci.com/gh/facebook/rocksdb.svg?style=svg)](https://circleci.com/gh/facebook/rocksdb)
Update README.md to include appveyor badge Update README.md to include appveyor badge
8 years ago
Make it easier to start using RocksDB Summary: This diff is addressing multiple things with a single goal -- to make RocksDB easier to use: * Add some functions to Options that make RocksDB easier to tune. * Add example code for both simple RocksDB and RocksDB with Column Families. * Rewrite our README.md Regarding Options, I took a stab at something we talked about for a long time: * https://www.facebook.com/groups/rocksdb.dev/permalink/563169950448190/ I added functions: * IncreaseParallelism() -- easy, increases the thread pool and max_background_compactions * OptimizeLevelStyleCompaction(memtable_memory_budget) -- the easiest way to optimize rocksdb for less stalls with level style compaction. This is very likely not ideal configuration. Feel free to suggest improvements. I used some of Mark's suggestions from here: https://github.com/facebook/rocksdb/issues/54 * OptimizeUniversalStyleCompaction(memtable_memory_budget) -- optimize for universal compaction. Test Plan: compiled rocksdb. ran examples. Reviewers: dhruba, MarkCallaghan, haobo, sdong, yhchiang Reviewed By: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D18621
11 years ago
RocksDB is developed and maintained by Facebook Database Engineering Team.
Add LevelDB repository link in the Readme Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/5134 Differential Revision: D14719068 Pulled By: siying fbshipit-source-id: c09a544f06ff414dbe2f90792aaf2bb5b8550bee
6 years ago
It is built on earlier work on [LevelDB](https://github.com/google/leveldb) by Sanjay Ghemawat (sanjay@google.com)
Make it easier to start using RocksDB Summary: This diff is addressing multiple things with a single goal -- to make RocksDB easier to use: * Add some functions to Options that make RocksDB easier to tune. * Add example code for both simple RocksDB and RocksDB with Column Families. * Rewrite our README.md Regarding Options, I took a stab at something we talked about for a long time: * https://www.facebook.com/groups/rocksdb.dev/permalink/563169950448190/ I added functions: * IncreaseParallelism() -- easy, increases the thread pool and max_background_compactions * OptimizeLevelStyleCompaction(memtable_memory_budget) -- the easiest way to optimize rocksdb for less stalls with level style compaction. This is very likely not ideal configuration. Feel free to suggest improvements. I used some of Mark's suggestions from here: https://github.com/facebook/rocksdb/issues/54 * OptimizeUniversalStyleCompaction(memtable_memory_budget) -- optimize for universal compaction. Test Plan: compiled rocksdb. ran examples. Reviewers: dhruba, MarkCallaghan, haobo, sdong, yhchiang Reviewed By: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D18621
11 years ago
and Jeff Dean (jeff@google.com)
This code is a library that forms the core building block for a fast
Replaced some words (#5877) Summary: improved Vocabulary Pull Request resolved: https://github.com/facebook/rocksdb/pull/5877 Differential Revision: D17753217 Pulled By: anand1976 fbshipit-source-id: f255418534297e537a2735f0a0546c724b8f7c70
5 years ago
key-value server, especially suited for storing data on flash drives.
Update README.md typo
11 years ago
It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs
Make it easier to start using RocksDB Summary: This diff is addressing multiple things with a single goal -- to make RocksDB easier to use: * Add some functions to Options that make RocksDB easier to tune. * Add example code for both simple RocksDB and RocksDB with Column Families. * Rewrite our README.md Regarding Options, I took a stab at something we talked about for a long time: * https://www.facebook.com/groups/rocksdb.dev/permalink/563169950448190/ I added functions: * IncreaseParallelism() -- easy, increases the thread pool and max_background_compactions * OptimizeLevelStyleCompaction(memtable_memory_budget) -- the easiest way to optimize rocksdb for less stalls with level style compaction. This is very likely not ideal configuration. Feel free to suggest improvements. I used some of Mark's suggestions from here: https://github.com/facebook/rocksdb/issues/54 * OptimizeUniversalStyleCompaction(memtable_memory_budget) -- optimize for universal compaction. Test Plan: compiled rocksdb. ran examples. Reviewers: dhruba, MarkCallaghan, haobo, sdong, yhchiang Reviewed By: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D18621
11 years ago
between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF)
and Space-Amplification-Factor (SAF). It has multi-threaded compactions,
Replaced some words (#5877) Summary: improved Vocabulary Pull Request resolved: https://github.com/facebook/rocksdb/pull/5877 Differential Revision: D17753217 Pulled By: anand1976 fbshipit-source-id: f255418534297e537a2735f0a0546c724b8f7c70
5 years ago
making it especially suitable for storing multiple terabytes of data in a
Make it easier to start using RocksDB Summary: This diff is addressing multiple things with a single goal -- to make RocksDB easier to use: * Add some functions to Options that make RocksDB easier to tune. * Add example code for both simple RocksDB and RocksDB with Column Families. * Rewrite our README.md Regarding Options, I took a stab at something we talked about for a long time: * https://www.facebook.com/groups/rocksdb.dev/permalink/563169950448190/ I added functions: * IncreaseParallelism() -- easy, increases the thread pool and max_background_compactions * OptimizeLevelStyleCompaction(memtable_memory_budget) -- the easiest way to optimize rocksdb for less stalls with level style compaction. This is very likely not ideal configuration. Feel free to suggest improvements. I used some of Mark's suggestions from here: https://github.com/facebook/rocksdb/issues/54 * OptimizeUniversalStyleCompaction(memtable_memory_budget) -- optimize for universal compaction. Test Plan: compiled rocksdb. ran examples. Reviewers: dhruba, MarkCallaghan, haobo, sdong, yhchiang Reviewed By: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D18621
11 years ago
single database.
Update branch name to "main" in README/LANGUAGE_BINDINGS (#8727) Summary: While we're at it, also update the links to Travis (.org to .com). Pull Request resolved: https://github.com/facebook/rocksdb/pull/8727 Reviewed By: jay-zhuang Differential Revision: D30675223 Pulled By: ltamasi fbshipit-source-id: ce4b04a72e56ad35b6bddb982cca41fa8ceacf84
3 years ago
Start with example usage here: https://github.com/facebook/rocksdb/tree/main/examples
Make it easier to start using RocksDB Summary: This diff is addressing multiple things with a single goal -- to make RocksDB easier to use: * Add some functions to Options that make RocksDB easier to tune. * Add example code for both simple RocksDB and RocksDB with Column Families. * Rewrite our README.md Regarding Options, I took a stab at something we talked about for a long time: * https://www.facebook.com/groups/rocksdb.dev/permalink/563169950448190/ I added functions: * IncreaseParallelism() -- easy, increases the thread pool and max_background_compactions * OptimizeLevelStyleCompaction(memtable_memory_budget) -- the easiest way to optimize rocksdb for less stalls with level style compaction. This is very likely not ideal configuration. Feel free to suggest improvements. I used some of Mark's suggestions from here: https://github.com/facebook/rocksdb/issues/54 * OptimizeUniversalStyleCompaction(memtable_memory_budget) -- optimize for universal compaction. Test Plan: compiled rocksdb. ran examples. Reviewers: dhruba, MarkCallaghan, haobo, sdong, yhchiang Reviewed By: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D18621
11 years ago
Update README.md Moved doc/index.html to wiki
11 years ago
See the [github wiki](https://github.com/facebook/rocksdb/wiki) for more explanation.
Make it easier to start using RocksDB Summary: This diff is addressing multiple things with a single goal -- to make RocksDB easier to use: * Add some functions to Options that make RocksDB easier to tune. * Add example code for both simple RocksDB and RocksDB with Column Families. * Rewrite our README.md Regarding Options, I took a stab at something we talked about for a long time: * https://www.facebook.com/groups/rocksdb.dev/permalink/563169950448190/ I added functions: * IncreaseParallelism() -- easy, increases the thread pool and max_background_compactions * OptimizeLevelStyleCompaction(memtable_memory_budget) -- the easiest way to optimize rocksdb for less stalls with level style compaction. This is very likely not ideal configuration. Feel free to suggest improvements. I used some of Mark's suggestions from here: https://github.com/facebook/rocksdb/issues/54 * OptimizeUniversalStyleCompaction(memtable_memory_budget) -- optimize for universal compaction. Test Plan: compiled rocksdb. ran examples. Reviewers: dhruba, MarkCallaghan, haobo, sdong, yhchiang Reviewed By: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D18621
11 years ago
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.
README: De-list slack channel, list Google group (#9387) Summary: We are phasing out the slack channel, but keeping the Google Group email list. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9387 Test Plan: no code Reviewed By: riversand963 Differential Revision: D33591265 Pulled By: pdillinger fbshipit-source-id: 48e45a74753d05611db2c8f4efc4de16a1f50e70
3 years ago
Questions and discussions are welcome on the [RocksDB Developers Public](https://www.facebook.com/groups/rocksdb.dev/) Facebook group and [email list](https://groups.google.com/g/rocksdb) on Google Groups.
Add dual-license info to README.md Summary: From #3417 and after talking to both GitHub and our open source legal team, the recommended approach was to explicitly state the dual-license in the readme. Changing the license files to accommodate the auto-detection is too much of a pain, would involve editing every code file header. Closes https://github.com/facebook/rocksdb/pull/3541 Differential Revision: D7171111 Pulled By: gfosco fbshipit-source-id: 0ee7b134446015228249efe991fa5e76526ca0b0
7 years ago
## 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.