More feedback here. I wasn't sure if this should warrant a new title or not so I've left it here, for those following the thread. I have, on occasion, found threads spinning for no apparent reason on our stable machine. One theory here is that the older slower machine we have that does not restart, may actually still be suffering from similar issues as the other servers but for one reason or another it does not trigger the restart process or does not get severe enough to restart. So when I see a spinner I am starting to pay attention to it. Here is some more info: top - 8:08am up 131 days, 20:18, 1 user, load average: 1.32, 1.28, 1.30 95 processes: 93 sleeping, 2 running, 0 zombie, 0 stopped CPU states: 0.1% user, 0.0% system, 0.0% nice, 0.0% idle Mem: 517528K av, 511300K used, 6228K free, 80676K shrd, 10832K buff Swap: 130748K av, 7068K used, 123680K free 153468K cached PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME COMMAND 31771 nobody 17 0 110M 110M 18132 R 0 96.7 21.9 537:41 python 9436 root 7 0 936 936 728 R 0 12.0 0.1 0:00 top 30717 nobody 0 0 207M 207M 18144 S 0 4.3 41.0 7:45 python 30763 nobody 0 0 207M 207M 18144 S 0 3.4 41.0 11:01 python ... strace -p 31771 - close(-1) = -1 EBADF (Bad file descriptor) close(-1) = -1 EBADF (Bad file descriptor) ... I don't know what to make of this but maybe it will help. During this time Zope was still able to serve content at almost a normal pace. -- ------------------------------- tonyr@ep.newtimes.com Director of Web Technology New Times, Inc. -------------------------------