Re: tuning a zfs-mounted /var
- In reply to: Michael Gmelin : "Re: tuning a zfs-mounted /var"
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Date: Sun, 23 May 2021 18:59:16 UTC
Michael Gmelin wrote this message on Sat, May 22, 2021 at 21:13 +0200: > > On 22. May 2021, at 20:32, tech-lists <tech-lists@zyxst.net> wrote: > > > > ???Hi, > > > > What options could one pass to zfs to speed it up to characteristics > > favourable to what's usually in /var ? Like lots of fast writes, lots of > > files smaller than what's on /usr, lots of file creation and deletion > > but also quite a few files that might become large, like what's in > > /var/log, things like that. > > > > Make sure your pool (or at least the /var file system) has compression=lz4 and that atime is off, beyond that I wouldn???t bother to try to optimize manually there, unless you run a database like MySQL in /var/db/???, in which case setting a fixed record size might make sense. And if you're running a db in /var, you should just create a new dataset for the database instead of reuse /var's dataset, that way the fixed record size does not cause problems for the rest of /var... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."