How to disable/limit pixmap cache in X
Jim Kronebusch
jim at winonacotter.org
Wed Sep 19 17:37:21 PDT 2007
> One option would be to hack xrestop into a watchdog which killed any
> client whose resource usage exceeded a certain threshold.
>
> This isn't foolproof; if the client allocates many pixmaps in a short
> interval, it may exceed it resource limits before it can be killed. It
> would probably suffice for Firefox, though.
This sounds like a cool suggestion. When I monitor with xrestop it seems that every
application has its own line and it doesn't seem to duplicate for more than one instance
(say I have 4 firefox windows open with a few tabs each, I only see one firefox listed
once in xrestop). Again this would not kill an app gracefully but it would kill an app
only if its pixmap storage exceeded a present limit. Currently there is a similar patch
in LTSP to kill an app if it exceeds a certain percentage of memory usage. But this
isn't specific to pixmap usage such as you suggest. I will forward your suggestion to
the LTSP devels.
thanks,
Jim
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