DragonFly BSD
DragonFly bugs List (threaded) for 2011-08
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Re: [issue2118] swap filled on machine with heavy activity+swapcache, swap doesn't drain


From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Sat, 20 Aug 2011 13:43:06 -0700 (PDT)

:
:When under heavy load (Opengrok indexing, Hammer daily cleanup and bulk build
:running at the same time), its swap filled entirely
:
:This kernel message was logged on the console:
:  swap_pager_getswapspace: failed

    Ok, I believe I have fixed the problem.  fork() was causing a
    vm_object leak where old vm_object's were not being properly terminated,
    leaving vm_page's intact and slowly causing swap to fill up.  pkgbox64
    is now running a new kernel.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>



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