Henrik Nordstrom wrote:
restarting squid (maybe a few hours or a few days), it starts pegging
the CPU at 100%. Running strace on the squid processes scrolls:
epoll_wait(3, {}, 256, 0) = 0
as fast as my screen will scroll. Restarting squid makes it settle down
again for a while.
... then file a bug report and attach your cache.log file.
It happened again, and bug #2296 has been filed. FYI, squidclient reports:
# squidclient -p 80 mgr:events
HTTP/1.0 200 OK
Server: squid/2.6.STABLE6
Date: Fri, 04 Apr 2008 16:41:22 GMT
Content-Type: text/plain
Expires: Fri, 04 Apr 2008 16:41:22 GMT
Last-Modified: Fri, 04 Apr 2008 16:41:22 GMT
X-Cache: MISS from revproxy.bryanlgh.org
X-Cache-Lookup: MISS from revproxy.bryanlgh.org:80
Via: 1.0 revproxy.bryanlgh.org:80 (squid/2.6.STABLE6)
Connection: close
Last event to run: storeClientCopyEvent
Operation Next Execution Weight Callback Valid?
storeClientCopyEvent 0.000000 seconds 0 yes
storeClientCopyEvent 0.000000 seconds 0 yes
storeClientCopyEvent 0.000000 seconds 0 yes
MaintainSwapSpace 0.449644 seconds 1 N/A
ipcache_purgelru 5.780025 seconds 1 N/A
fqdncache_purgelru 9.699383 seconds 1 N/A
storeDirClean 13.604307 seconds 1 N/A
statAvgTick 43.007845 seconds 1 N/A
peerClearRR 102.739505 seconds 0 yes
peerClearRR 102.739505 seconds 0 yes
peerClearRR 102.739505 seconds 0 yes
peerClearRR 102.739505 seconds 0 yes
peerClearRR 102.739505 seconds 0 yes
peerClearRR 102.739505 seconds 0 yes
peerClearRR 102.739505 seconds 0 yes
peerRefreshDNS 2868.335948 seconds 1 N/A
User Cache Maintenance 3102.819286 seconds 1 N/A
storeDigestRebuildStart 3103.252835 seconds 1 N/A
storeDigestRewriteStart 3103.278672 seconds 1 N/A
peerDigestCheck 141057.508629 seconds 1 yes
begin:vcard
fn:Ben Hollingsworth
n:Hollingsworth;Ben
org:BryanLGH Health System;Information Technology
adr:;;1600 S. 48th St.;Lincoln;NE;68506;USA
email;internet:ben.hollingsworth@xxxxxxxxxxxx
title:Systems Programmer
tel;work:402-481-8582
tel;fax:402-481-8354
tel;cell:402-432-5334
url:http://www.bryanlgh.org
version:2.1
end:vcard