Date: Wed, 24 Sep 2008 12:26:23 -0400 From: Jeff Wheelhouse <jdw@wheelhouse.org> To: freebsd-hackers@freebsd.org Subject: Re: Major SMP problems with lstat/namei Message-ID: <BB3B0E55-9B43-4DB8-8954-C18FF0D29C35@wheelhouse.org> In-Reply-To: <gbd3pu$i3l$1@ger.gmane.org> References: <8185F68B-C443-4891-BEC2-5E3D453DDC93@wheelhouse.org> <gbd3pu$i3l$1@ger.gmane.org>
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On Sep 24, 2008, at 6:12 AM, Ivan Voras wrote: > There is nothing that can be done within the 6.x branch. 7.x contains > many improvements but I think only 8.x will directly change the > lockmgr > and the namei cache. The best things you can try right now is to use > 7-STABLE (or soon to be released 7.1; you might need tuning with > 7.0-RELEASE) or try 8-CURRENT (it's quite stable). Really? Nothing? We get lockmgr-related panics on FreeBSD 7.0, as detailed elsewhere on this list. Stability issues aside, what else would we need to tune on 7.0, besides enabling the ULE scheduler, and how much benefit would we really get? These servers are in production, so 8-CURRENT is not an option. I've already had my knuckles rapped by a customer for trying 7.1-PRERELEASE on one of their machines. Thanks, Jeff
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