The cache.log file reports the number of file descriptors that the squid can use. Khanh -----Original Message----- From: Jm lists [mailto:practicalperl@xxxxxxxxx] Sent: Sunday, December 03, 2006 10:25 PM To: squid-users@xxxxxxxxxxxxxxx Subject: how to get the max usable FD number squid used Hello members, When Squid is running (I mean it has compiled by other one,not me),how to get the max usable FD number squid used? I ask this because we have some squid hosts running for the same backend applications.But some hosts' established connections are very large,some hosts' are small.All these hosts have the same hardware env.So I think maybe the max FD owned by squid is not the same. Please help me,thanks.