1、serverCron简介在 Redis 中， 常规操作由 redis.c/serverCron 实现， 它主要执行以下操作/* This is our timer interrupt, called server.hz times per second. ...
1、serverCron简介
在 Redis 中， 常规操作由 redis.c/serverCron 实现， 它主要执行以下操作
/* This is our timer interrupt, called server.hz times per second. * Here is where we do a number of things that need to be done asynchronously. * For instance: * * - Active expired keys collection (it is also performed in a lazy way on * lookup). * - Software watchdog. * - Update some statistic. * - Incremental rehashing of the DBs hash tables. * - Triggering BGSAVE / AOF rewrite, and handling of terminated children. * - Clients timeout of different kinds. * - Replication reconnection. * - Many more... * * Everything directly called here will be called server.hz times per second, * so in order to throttle execution of things we want to do less frequently * a macro is used: run_with_period(milliseconds) { .... } */
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原标题：关于Redis中的serverCron
关键词：Redis
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