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Date:      Sat, 15 Dec 2012 17:43:36 +0100
From:      Tom <freebsdlists@bsdunix.ch>
To:        freebsd-fs@FreeBSD.org
Subject:   zfs: is it possible to set metaslab_debug to 1?
Message-ID:  <50CCA8B8.7010808@bsdunix.ch>

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Hi,

Is it possible to set metaslab_debug to 1 on freebsd without recompiling:
usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c

/*
 * Metaslab debugging: when set, keeps all space maps in core to verify
frees.
 */
static int metaslab_debug = 0;

Is this even possible on FreeBSD? It often helps with ZFS perfomance
issues on Solaris with lots of ram.

Regards,
Tom



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