以前服务器不忙的时候没有发现这几个进程，自从装了2个mysql以后，负载跑起来了,发现有几个不知道作用的进程, google之后,记之 290 root 10 -5 0 0 0 S 1 0.0 1:40.26 kswapd0 1969 root 10 -5 0 0 0 D 0 0.0 165:27.61 kjournald 19080 root 15 0 0 0 0 S 0 0.0 0:21.40 pdflush 1.kswapd0 Linux uses kswapd for virtual memory management such that pages that have been recently accessed are kept in memory and less active pages are paged out to disk. (what is a page?)…Linux uses manages memory in units called pages. So,the kswapd process regularly dec...
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