Percona Toolkit 2.2.13 发布了，Percona Toolkit 是一组高级的命令行工具，用来管理 MySQL 和系统任务，主要包括：
验证主节点和复制数据的一致性
有效的对记录行进行归档
找出重复的索引
总结 MySQL 服务器
从日志和 tcpdump 中分析查询
问题发生时收集重要的系统信息
完整改进记录：
New Features:
pt-kill now supports new --query-id option. This option can be used to print a query fingerprint hash after killing a query to enable the cross-referencing with the pt-query-digest output. This option can be used along with --print option as well.
Bugs Fixed:
Fixed bug 1408375: Percona Toolkit was vulnerable to MITM attack which could allow exfiltration of MySQL configuration information via --version-check option. This vulnerability was logged as CVE 2015-1027
Fixed bug 1019479: pt-table-checksum now works with ONLY_FULL_GROUP_BY SQL mode.
Fixed bug 1394934: running pt-table-checksum in debug mode would cause an error.
Fixed bug 1396868: regression introduced in Percona Toolkit 2.2.12 caused pt-online-schema-change not to honor --ask-pass option.
Fixed bug 1399789: pt-table-checksum would fail to find Percona XtraDB Cluster nodes when variable wsrep_node_incoming_address was set to AUTO.
Fixed bug 1321297: pt-table-checksum was reporting differences on timestamp columns with replication from 5.5 to 5.6 server version, although the data was identical.
Fixed bug 1388870: pt-table-checksum was showing differences if the master and slave were in different time zone.
Fixed bug 1402668: pt-mysql-summary would exit if Percona XtraDB Cluster was in Donor/Desynced state.
Fixed bug 1266869: pt-stalk would fail to start if $HOME environment variable was not set.
下载地址：http://www.percona.com/downloads/percona-toolkit/
来自:开源中国社区
