ARC size constantly shrinks, then ZFS slows down extremely

Artem Belevich fbsdlist at src.cx
Wed Oct 21 23:22:10 UTC 2009


Hi,

Will r197816 from head be MFC'd to stable-8 as commit comment
suggested? I've been running my box with the r197816 applied to
stable/8 and so far it's been working fine for me.

#svn log -v -c 197816
------------------------------------------------------------------------
r197816 | kmacy | 2009-10-06 14:40:50 -0700 (Tue, 06 Oct 2009) | 5 lines
Changed paths:
   M /head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c

Prevent paging pressure from draining arc too much
- always drain arc if above arc_c_max - never drain arc if arc is
below arc_c_max

MFC after:	3 days

------------------------------------------------------------------------

--Artem


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