Machine unresponsive with cache_lock: blocked on... message

Matthew Dillon dillon at
Tue Mar 23 14:16:16 PDT 2010

:	I'm running at 40 at the moment on this box with 1.5GB of RAM that
:used to hardly touch swap but these days is often to be seen with 300Mb of
:swap in use and 800Mb of inactive. I think I'd rather see the swap usage go
:away and the inactive queue shorter. Adding up the vsz of all the processes
:running gets me to about 1GB. It would be nice not to be using swap again.
:	Raising the setting to 40 seems to have increased total swap usage
:at the same time as reducing the tendency for things I use to be swapped
:out in the morning - this puzzles me somewhat.
:Steve O'Hara-Smith                          |   Directable Mirror Arrays

    You can change the VM paging targets.  You can try reducing
    vm.stats.vm.v_inactive_target.  Those values are in pages.  Do
    not make it too small.

					Matthew Dillon 
					<dillon at>

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