Date: Mon, 01 Sep 2008 09:38:31 +0200 From: Henri Hennebert <hlh@restart.be> To: John Birrell <jb@what-creek.com> Cc: stable@freebsd.org Subject: Re: ZFS performance issues (solved?!) Message-ID: <48BB9BF7.8090202@restart.be> In-Reply-To: <20080901021528.GB56694@what-creek.com> References: <20080901021528.GB56694@what-creek.com>
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John Birrell wrote: > For those people experiencing a performance degradation since the DTrace import, > please update your copy of src/sys/cddl/compat/opensolaris/kern/opensolaris_kmem.c > by either cvsup of direct edit to remove "#define KMEM_DEBUG". > > You only need to rebuild the opensolaris kernel module after this change. The code > is shared between ZFS and DTrace via the opensolaris kernel module. > > This is also the reason why you found it necessary to add KDB, DDB and STACK to > your kernel. After removing KMEM_DEBUG, you won't need those. > > Please confirm that this solves the problem you have been seeing. Great, now everything is back to normal Thanks Henri > > -- > John Birrell > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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