On 21/11/2013 8:38 p.m., Bhagwat Yadav wrote: > Hi Eliezer/All, > > Thanks for your help. > > PFA log snippets. > Log1.txt is having sample 1 of cache.log in which you can find the time gap. > Log2.txt is having sample 2 of client output and cache.log showing the time gap. > > It seems that there is some in memory operation "StatHistCopy" which > is causing this issue, not sure though. > > Squid version is: Squid Cache: Version 3.1.6. > > Please let me know that if these logs are helpfull. > Ah. The version number is very helpful. Can you upgrade? that version has a lot of issues including a bunch of memory leaks that can be externally triggered. Amos