On 8/31/11 1:40 PM, Bron Gondwana wrote: > On Wed, Aug 31, 2011 at 11:51:03AM -0700, Maria McKinley wrote: >> On 8/31/11 11:44 AM, Wesley Craig wrote: >>> On 31 Aug 2011, at 14:36, Maria McKinley wrote: >>>> Anyway, here is an example of some processes that are getting big: >>>> >>>> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND >>>> >>>> 24328 cyrus 20 0 147m 6236 5004 R 27.4 0.2 22:07.21 imapd >>>> >>>> 27549 cyrus 20 0 147m 6512 5116 R 27.4 0.2 155:41.26 imapd >>>> >>>> 30097 cyrus 20 0 147m 6280 5052 R 27.1 0.2 93:44.08 imapd >>>> >>>> >>>> Unfortunately I can't tell you anymore about these processes, since they >>>> are just cut and pasted from a terminal where I checked top before >>>> restarting cyrus, and cyrus has not regrown yet. >>> >>> It would be handy if you'd gather some metrics from a loaded but not pathological machine, and then additional metrics once it was in a bad state. Also, getting strace output from a run-away (if it is run-away) process would be handy. >>> >>> :wes >> >> >> Not sure how helpful this is, but you can see where the that I have >> restarted cyrus twice in the last 24 hours, and three times in the last >> week, and how this has affected the load, etc. of this machine. >> >> http://www.shadlen.org/munin/Servers/ella.shadlen.org/index.html > > I can't believe you capture the uptime graph ;) > > Seriously though - it's an infinite loop. There are a few different > places it could be, and my money is on a bogus .seen file. There were > definitely some infinite loops in there, and the bugs in skiplist db > locking in 2.2 mean you could have any old rubbish show up over time. > > So I'm guessing it's a particular folder access that triggers the > runaway process each time. > > Bron. I looked for the processes that were going crazy in the log files, and it seems like the problem may be a couple of .seen files and/or index files. I have some messages about SQUAT failing to open index file. What can be done to fix .seen files and index files? thanks, maria ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
