Replies: 2 comments 8 replies
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我这边没印象... (字符串匹配一直都不咋是 redis 擅长的,我印象中有一些 module 会特定做这些,例如 https://github.com/RediSearch/RediSearch ?)
ref: redis/redis#10646 |
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你是说 master 慢查询阻塞,例如阻塞个几十秒,然后因为心跳不了被集群踢下线,触发故障转移吗? 如果说是 slave 慢查询阻塞,阻塞个几十秒,就算有心跳保活(假如 ping 是子线程的),它主从复制都落后了很多
主从复制可能是最重要的部分,保活啥的可能还在其次,主从复制的处理感觉就是个大工程 |
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之前在redis上提的关于string match新命令的issue,留言中有人提出了一个我认为也许更有意义的命令“ValueScan”,感觉这个命令能够缓解不小心存储了big key的问题,逐步扫描big key的值能够防止阻塞。
@enjoy-binbin 不好意思彬彬突然拉你出来讨论,我好奇据你所知有曾经讨论过关于ValueScan这类命令吗?感觉这是个有用的命令却一直没添加过。
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