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Redis3.0リリース

Last updated at Posted at 2015-04-02

Redis3.0リリース

クラスタのサポートが加わったRedis3.0が正式リリースされました。
また、多数のパフォーマンス改善が行われています。

リリースノート

Redis2.8からの変更点(上記より転載)

  • Redis Cluster: a distributed implementation of a subset of Redis.
  • New "embedded string" object encoding resulting in less cache misses. Big speed gain under certain work loads.
  • AOF child -> parent final data transmission to minimize latency due to "last write" during AOF rewrites.
  • Much improved LRU approximation algorithm for keys eviction.
  • WAIT command to block waiting for a write to be transmitted to the specified number of slaves.
  • MIGRATE connection caching. Much faster keys migraitons.
  • MIGARTE new options COPY and REPLACE.
  • CLIENT PAUSE command: stop processing client requests for a specified amount of time.
  • BITCOUNT performance improvements.
  • CONFIG SET accepts memory values in different units (for example you can use "CONFIG SET maxmemory 1gb").
  • Redis log format slightly changed reporting in each line the role of the instance (master/slave) or if it's a saving child log.
  • INCR performance improvements.

参考記事

Redis3.0でサポートされたクラスタの日本語記事がありました。

クラスタの仕様書(英語)

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