Hi Does anyone knows why my squid cpu usage is 100%?
When it works fine: Last 5 minutes: sample_start_time = 1460357653.263150 (Mon, 11 Apr 2016 06:54:13 GMT) sample_end_time = 1460357953.264761 (Mon, 11 Apr 2016 06:59:13 GMT) client_http.requests = 1149.670493/sec client_http.hits = 357.521413/sec client_http.errors = 3.199983/sec client_http.kbytes_in = 840.588819/sec client_http.kbytes_out = 57427.721613/sec client_http.all_median_svc_time = 0.150482 seconds client_http.miss_median_svc_time = 0.288533 seconds client_http.nm_median_svc_time = 0.000000 seconds client_http.nh_median_svc_time = 0.108570 seconds client_http.hit_median_svc_time = 0.000000 seconds server.all.requests = 778.229154/sec server.all.errors = 0.000000/sec server.all.kbytes_in = 43018.655656/sec server.all.kbytes_out = 705.229546/sec server.http.requests = 773.162515/sec server.http.errors = 0.000000/sec server.http.kbytes_in = 42988.509152/sec server.http.kbytes_out = 701.642899/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 = 5.066639/sec server.other.errors = 0.000000/sec server.other.kbytes_in = 30.149838/sec server.other.kbytes_out = 3.586647/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 = 0.000945 seconds unlink.requests = 0.000000/sec page_faults = 0.000000/sec select_loops = 14570.791755/sec select_fds = 27229.437111/se average_select_fd_period = 0.000037/fd median_select_fds = 0.000000 swap.outs = 309.515005/sec swap.ins = 593.013482/sec swap.files_cleaned = 0.000000/sec aborted_requests = 50.606395/sec syscalls.polls = 14570.791755/sec syscalls.disk.opens = 160.005807/sec syscalls.disk.closes = 320.351613/sec syscalls.disk.reads = 3520.644427/sec syscalls.disk.writes = 3868.092562/sec syscalls.disk.seeks = 0.000000/sec syscalls.disk.unlinks = 51.959721/sec syscalls.sock.accepts = 1153.950470/sec syscalls.sock.sockets = 478.724096/sec syscalls.sock.connects = 469.890810/sec syscalls.sock.binds = 478.724096/sec syscalls.sock.closes = 1098.090770/sec syscalls.sock.reads = 7904.917551/sec syscalls.sock.writes = 18578.413567/sec syscalls.sock.recvfroms = 106.432762/sec syscalls.sock.sendtos = 51.699722/sec cpu_time = 202.038000 seconds wall_time = 300.001611 seconds cpu_usage = 67.345638% and when it use 100% Last 5 minutes: sample_start_time = 1460359453.520662 (Mon, 11 Apr 2016 07:24:13 GMT) sample_end_time = 1460359753.537375 (Mon, 11 Apr 2016 07:29:13 GMT) client_http.requests = 1124.314031/sec client_http.hits = 341.530973/sec client_http.errors = 3.309816/sec client_http.kbytes_in = 772.766949/sec client_http.kbytes_out = 44051.135911/sec client_http.all_median_svc_time = 0.685775 second client_http.miss_median_svc_time = 0.806511 seconds client_http.nm_median_svc_time = 0.092188 seconds client_http.nh_median_svc_time = 0.469653 seconds client_http.hit_median_svc_time = 0.399283 seconds server.all.requests = 747.688346/sec server.all.errors = 0.000000/sec server.all.kbytes_in = 33436.033945/sec server.all.kbytes_out = 636.631200/sec server.http.requests = 741.872004/sec server.http.errors = 0.000000/sec server.http.kbytes_in = 33395.426207/sec server.http.kbytes_out = 630.834856/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 = 5.816343/sec server.other.errors = 0.000000/sec server.other.kbytes_in = 40.611071/sec server.other.kbytes_out = 5.796344/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 = 0.063638 seconds unlink.requests = 0.000000/sec page_faults = 0.000000/sec select_loops = 68.769502/sec select_fds = 17469.616768/sec average_select_fd_period = 0.000057/f median_select_fds = 253.007812 swap.outs = 309.809407/sec swap.ins = 606.672869/sec swap.files_cleaned = 0.000000/sec aborted_requests = 64.026433/sec syscalls.polls = 68.769502/sec syscalls.disk.opens = 162.004308/sec syscalls.disk.closes = 323.981951/sec syscalls.disk.reads = 3170.013399/sec syscalls.disk.writes = 3344.553675/sec syscalls.disk.seeks = 0.000000/sec syscalls.disk.unlinks = 52.953717/sec syscalls.sock.accepts = 884.907368/sec syscalls.sock.sockets = 488.359460/sec syscalls.sock.connects = 479.986593/sec syscalls.sock.binds = 488.359460/sec syscalls.sock.closes = 1127.137207/sec syscalls.sock.reads = 4520.671487/sec syscalls.sock.writes = 13540.768977/sec syscalls.sock.recvfroms = 129.662776/sec syscalls.sock.sendtos = 50.653845/sec cpu_time = 302.344000 seconds wall_time = 300.016713 seconds cpu_usage = 100.775719% and you can see It was fine and after 30 min cpu_usage is 100.775719%
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