Re: {* 05.00 *}Re: Desperate with 870 QVO and ZFS
Date: Wed, 06 Apr 2022 20:43:49 UTC
On 4/6/2022 4:18 PM, Bob Friesenhahn wrote: > On Wed, 6 Apr 2022, egoitz@ramattack.net wrote: >>> >>> WE DON'T USE COMPRESSION AS IT'S NOT SET BY DEFAULT. SOME PEOPLE SAY >>> YOU SHOULD HAVE IT ENABLED.... BUT.... JUST FOR AVOID HAVING SOME >>> DATA COMPRESSED SOME OTHER NOT (IN CASE YOU ENABLE AND LATER >>> DISABLE) AND FINALLY FOR AVOID ACCESSING TO INFORMATION WITH >>> DIFFERENT CPU COSTS OF HANDLING... WE HAVE NOT TOUCHED COMPRESSION.... > > There seems to be a problem with your caps-lock key. > > Since it seems that you said that you are using maildir for your mail > server, it is likely very useful if you do enable even rather mild > compression (e.g. lz4) since this will reduce the write work-load and > even short files will be stored more efficiently. > FYI, a couple of our big zfs mailspools sees a 1.24x and 1.23x compress ratio with lz4. We use Maildir format as well. They are not RELENG_13 so not sure how zstd would fair. ---Mike