Hi On Mon, May 14, 2012 at 9:15 AM, 姚伟斌 <[email protected]> wrote:
> Hello, folks, > > I have a question. Does the varnish often sync the shared memory file > named "_.vsm" with the disk? I saw many disk IOs with varnish: > No. But Linux does sync the shmlog to disk as Linux hasn't properly implemented the flag that keeps stuff off the disk. You can try to either move the shmlog to a memory based filesystem or tune /proc/sys/vm/*dirty* and friends. Modern Linux distros seem to prefer syncing stuff to disk very aggresivly. -- Per Buer, Phone: +47 21 98 92 61 / Mobile: +47 958 39 117 / Skype: per.buer *Varnish makes websites fly!* Whitepapers <http://www.varnish-software.com/whitepapers> | Video<http://www.youtube.com/watch?v=x7t2Sp174eI> | Twitter <https://twitter.com/varnishsoftware>
_______________________________________________ varnish-misc mailing list [email protected] https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
