Date: Wed, 6 Apr 2022 19:23:07 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: egoitz@ramattack.net Cc: freebsd-hackers@freebsd.org Subject: Re: Desperate with 870 QVO and ZFS Message-ID: <3b0451a3-01ec-9f30-4eb4-4cbcd91f78cf@grosbein.net> In-Reply-To: <109127fb4e43e70cd548fecde2c1f755@ramattack.net> References: <6cf6c03c5a4aa8128575ec4e2f70b168@ramattack.net> <15a86fae-90fd-951d-50e0-48f9be8b4bbc@grosbein.net> <109127fb4e43e70cd548fecde2c1f755@ramattack.net>
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06.04.2022 19:02, egoitz@ramattack.net wrote: > Hi Eugene, > > > No... I normally don't have many delete operations..... in fact the bast majority of them are left for the night... they are done at 2,3,4 am in the morning.... > > We may have 600 deletes/sec at busy times (acording to what I see in gstat and calculating when having two masters).... As I've said, you need to monitor ALL values, there no unimportant ones on that screen. Look also at ms/r, ms/w and ms/d - that is, milliseconds per read operation, per write and per delete. Do these times grow at peak time?
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