openark kit 介绍
openark kit 提供一组小程序，用来帮助日常的 MysqL 维护任务，可代替繁杂的手工操作。
包括：
- oak-apply-ri: apply referential integrity on two columns with parent-child relationship.
- oak-block-account: block or release MysqL users accounts, disabling them or enabling them to login.
- oak-chunk-update: Perform long, non-blocking UPDATE/DELETE operation in auto managed small chunks.
- oak-kill-slow-queries: terminate long running queries.
- oak-modify-charset: change the character set (and collation) of a textual column.
- oak-online-alter-table: Perform a non-blocking ALTER TABLE operation.
- oak-purge-master-logs: purge master logs, depending on the state of replicating slaves.
- oak-security-audit: audit accounts, passwords, privileges and other security settings.
- oak-show-limits: show AUTO_INCREMENT “free space”.
- oak-show-replication-status: show how far behind are replicating slaves on a given master.
openark kit 官网
http://code.openark.org/forge/openark-kit
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