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PerconaXtraDBCluster5.5.30-23.7.4forMySQL_MySQL

时间:2021-07-01 10:21:17 帮助过:8人阅读

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Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL 发布了,包含如下新特:

  • Percona XtraDB Cluster has implemented initial implementation of weighted quorum. Weight for node can be assigned via pc.weight option in the wsrep_provider_options variable. Accepted values are in the range [0, 255] (inclusive). Quorum is computed using weighted sum over group members.
  • Percona XtraDB Cluster will now be shipped with the libjemalloc library. Benchmark showing the impact of memory allocators on MySQL performance can be found in this blogpost.
  • This release of Percona XtraDB Cluster has fixed number of foreign key and packaging bugs.

此外还修复了大量的bug,详细列表请看这里。

Percona XtraDB Cluster是针对MySQL用户的高可用性和扩展性解决方案,基于Percona Server 。其包括了Write Set REPlication补丁,使用Galera 2.0库,这是一个针对事务性应用程序的同步多主机复制插件。

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