[squid-users] What does storeClientCopyEvent mean?

Hi there,

Squid is pegging CPU to 100% with "storeClientCopyEvent" and hit
service time soar up to server seconds here. The following is what I
see in cachemgr:events:

OperationNext ExecutionWeightCallback Valid?
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent-0.019010 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
storeClientCopyEvent0.000000 seconds0yes
MaintainSwapSpace0.980990 seconds1N/A
idnsCheckQueue1.000000 seconds1N/A
ipcache_purgelru5.457004 seconds1N/A
wccp2HereIam5.464900 seconds1N/A
fqdncache_purgelru5.754399 seconds1N/A
storeDirClean10.767635 seconds1N/A
statAvgTick59.831274 seconds1N/A
peerClearRR110.539127 seconds0N/A
peerClearRR279.341239 seconds0N/A
User Cache Maintenance1610.136367 seconds1N/A
storeDigestRebuildStart1730.225879 seconds1N/A
storeDigestRewriteStart1732.267852 seconds1N/A
peerRefreshDNS1957.777934 seconds1N/A
peerDigestCheck2712.910515 seconds1yes

So what does "storeClientCopyEvent" mean? Is it disk IO cause this problem?

Regards,
Liu
Received on Sun Dec 07 2008 - 13:24:13 MST