Date: Fri, 7 Nov 1997 13:00:27 -0500 (EST) From: Snob Art Genre <benedict@echonyc.com> To: Marc Slemko <marcs@znep.com> Cc: hackers@FreeBSD.ORG Subject: Re: ufslk2 Message-ID: <Pine.GSO.3.96.971107125952.18874F-100000@echonyc.com> In-Reply-To: <Pine.BSF.3.95.971106203923.28822I-100000@alive.znep.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Check out lsof -- I think it's in the ports collection. It can tell you what files are open and who is accessing them. On Thu, 6 Nov 1997, Marc Slemko wrote: > I have a news server that likes making innd hang in ufslk2 for periods of > up to 30 seconds every time a sync is done. > > Is there any easy way to find out what file system (or even file) it is > blocking on while the sync is happening? > > Most are mounted async. I have increased kern.update from the default of > 30 to something higher because it does give a performance gain. > Unfortunately, it results in longer periods of hang when it happens. > Decreasing it back to 30 results hurts the server overall, although it > does obviously reduce the time taken to sync each time (and therefore the > time innd hangs in ufslk2) a lot, but it still adds up to a similar > number. Yes, mounting async hurts this too but has a better overall > impact. > > Any work being done on having the system be nicer when syncing if it has a > large amount of data to sync? > > This is on 2.2-stable from a few months ago. > > > Ben "You have your mind on computers, it seems."
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.GSO.3.96.971107125952.18874F-100000>