Date: Fri, 16 Oct 2009 01:32:37 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> To: grarpamp <grarpamp@gmail.com> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS threads? Message-ID: <4AD7B115.2080104@quip.cz> In-Reply-To: <d2e731a10910151524r5fea9a9enbc8c97d03f8498c7@mail.gmail.com> References: <d2e731a10910151524r5fea9a9enbc8c97d03f8498c7@mail.gmail.com>
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grarpamp wrote: > I don't know about reducing them directly, > maybe vfs.zfs.zfetch.max_streams. On mine > it's 8 which might be that 0 through 7 you see. > > This system has 9 zfs mountpoints and > 104 spa_zio* threads. So you might try > cutting mountpoints if possible. I don't know how it is related, but I have system with 17 ZFS mountpoints and just 25 spa_zio threads (named as spa_zio_issue_2, spa_zio_intr_2 etc). This is on 7.2-RELEASE-p2 amd64 Miroslav Lachman
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