>> the cachemanager can be usefull to see the actual activity of your squid : >> >> squidclient localhost mgr:5min >> >> gives you the last 5 min stats. (see if the n° of req/s is coherent >> with what you expect ) > > > Here after the output of the mgr:5min > It show that we are around 168 req/s > for a cpu usage around 99% > I don't think that 160 req/s is such a big number that can explain full CPU time. Forgot to mention that it somtimes drops to ~30% CPU for some periods. For example right now we are : client_http.requests = 160.370710/sec cpu_usage = 39.305030% Which makes me think of some kind of requests getting it to go crazy. [complete output here] sample_start_time = 1364317190.222942 (Tue, 26 Mar 2013 16:59:50 GMT) sample_end_time = 1364317490.271499 (Tue, 26 Mar 2013 17:04:50 GMT) client_http.requests = 160.370710/sec client_http.hits = 17.510499/sec client_http.errors = 0.016664/sec client_http.kbytes_in = 278.614904/sec client_http.kbytes_out = 3589.275718/sec client_http.all_median_svc_time = 0.092188 seconds client_http.miss_median_svc_time = 0.097357 seconds client_http.nm_median_svc_time = 0.000911 seconds client_http.nh_median_svc_time = 0.016481 seconds client_http.hit_median_svc_time = 0.000911 seconds server.all.requests = 145.123178/sec server.all.errors = 0.000000/sec server.all.kbytes_in = 3294.903365/sec server.all.kbytes_out = 269.543039/sec server.http.requests = 130.565534/sec server.http.errors = 0.000000/sec server.http.kbytes_in = 2860.440352/sec server.http.kbytes_out = 179.021024/sec server.ftp.requests = 0.000000/sec server.ftp.errors = 0.000000/sec server.ftp.kbytes_in = 0.000000/sec server.ftp.kbytes_out = 0.000000/sec server.other.requests = 14.557644/sec server.other.errors = 0.000000/sec server.other.kbytes_in = 434.463013/sec server.other.kbytes_out = 90.525348/sec icp.pkts_sent = 0.000000/sec icp.pkts_recv = 0.000000/sec icp.queries_sent = 0.000000/sec icp.replies_sent = 0.000000/sec icp.queries_recv = 0.000000/sec icp.replies_recv = 0.000000/sec icp.replies_queued = 0.000000/sec icp.query_timeouts = 0.000000/sec icp.kbytes_sent = 0.000000/sec icp.kbytes_recv = 0.000000/sec icp.q_kbytes_sent = 0.000000/sec icp.r_kbytes_sent = 0.000000/sec icp.q_kbytes_recv = 0.000000/sec icp.r_kbytes_recv = 0.000000/sec icp.query_median_svc_time = 0.000000 seconds icp.reply_median_svc_time = 0.000000 seconds dns.median_svc_time = 0.014637 seconds unlink.requests = 0.000000/sec page_faults = 0.000000/sec select_loops = 2316.561716/sec select_fds = 0.000000/sec average_select_fd_period = 0.000000/fd median_select_fds = 0.000000 swap.outs = 0.000000/sec swap.ins = 0.000000/sec swap.files_cleaned = 0.000000/sec aborted_requests = 2.159650/sec syscalls.disk.opens = 0.000000/sec syscalls.disk.closes = 0.000000/sec syscalls.disk.reads = 0.000000/sec syscalls.disk.writes = 0.000000/sec syscalls.disk.seeks = 0.000000/sec syscalls.disk.unlinks = 0.000000/sec syscalls.sock.accepts = 105.942852/sec syscalls.sock.sockets = 66.179288/sec syscalls.sock.connects = 62.956477/sec syscalls.sock.binds = 66.179288/sec syscalls.sock.closes = 124.793135/sec syscalls.sock.reads = 1316.883520/sec syscalls.sock.writes = 1770.096831/sec syscalls.sock.recvfroms = 58.203913/sec syscalls.sock.sendtos = 30.974986/sec cpu_time = 117.934176 seconds wall_time = 300.048557 seconds cpu_usage = 39.305030%
