2009/11/16 Tom Horsley <[email protected]> > On Mon, 16 Nov 2009 11:53:27 +1100 > Langdon Stevenson wrote: > > > Given these servers' perfect record in the past I am wondering if anyone > > can suggest what might be going on? Or how best to try to track down > > the reason. > > I had a similar problem once and put a cron job in to run every > few minutes and log the output of a ps command to a file with > an output format that showed PID, VM size, and process start time. > > Then I whipped out a perl script to analyze the logs, find PIDs > that were running a long time, and kept using more memory the > longer they run. > > Of course, that just found what was leaking, it didn't find out > why it was leaking :-). > > (And no, I don't think I have any of the scripts around anymore :-). > > -- > I had a similar problem once, years ago, with a version of redhat linux when the memory was faster used up than it was free'd by the paging daemon. I managed to solve the problem by tweaking some kernel parameter's that influenced the behavior of the virtual memory system. But I think that now everything has improved with the current fedora versions, so this problem has disappeared.
cheers paul
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