Comments (6)
我理解的binlogrecycle是将rocksdb中的binlog回收掉,binlog-save-logs是控制是否将binlog落盘到dump目录,理论上这2个动作都不应该会占用大量内存且不自动释放,不知道是不是我的理解有问题,辛苦大佬解答~~谢谢!
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您好,文档我看过的,内存上涨确实没有超过设定的最大值,我不太理解的点是:binlogrecycle期间,持续占用内存,这个逻辑是否合理呢?此时是否会影响正常的读写性能呢?binlogrecycle不是个清理动作嘛,binlog落盘需要使用内存,那落完盘为啥不把内存释放掉呢?
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rocks.blockcachemb 153600
因为这里配置了153GB的blockcache,binlog回收的时候会读binlog,就会把数据写入blockcache缓存起来。
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rocks.blockcachemb 153600 因为这里配置了153GB的blockcache,binlog回收的时候会读binlog,就会把数据写入blockcache缓存起来。
是的,我的疑问是,当binlog回收完,为什么不把占用的cache释放掉呢?感觉这个不太合理。
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释放不了,这是rocksdb的blockcache,读取的数据会加入到blockcache中,然后一直存在,直到有新的数据加入到blockcache里面来。你的场景下没有读请求,在有读请求的场景下,会有新的热数据加入到blockcache中来。
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