-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Here is my stats: client_http.all_median_svc_time = 0.097357 seconds client_http.miss_median_svc_time = 0.097357 seconds client_http.nm_median_svc_time = 0.000000 seconds client_http.nh_median_svc_time = 0.000000 seconds client_http.hit_median_svc_time = 0.000000 seconds icp.query_median_svc_time = 0.000000 seconds icp.reply_median_svc_time = 0.000000 seconds dns.median_svc_time = 0.000000 seconds client_http.all_median_svc_time = 0.102812 seconds client_http.miss_median_svc_time = 0.108570 seconds client_http.nm_median_svc_time = 0.000000 seconds client_http.nh_median_svc_time = 0.127833 seconds client_http.hit_median_svc_time = 0.000000 seconds icp.query_median_svc_time = 0.000000 seconds icp.reply_median_svc_time = 0.000000 seconds dns.median_svc_time = 0.000000 seconds client_http.all_median_svc_time = 0.102812 seconds client_http.miss_median_svc_time = 0.108570 seconds client_http.nm_median_svc_time = 0.000911 seconds client_http.nh_median_svc_time = 0.127833 seconds client_http.hit_median_svc_time = 0.010350 seconds icp.query_median_svc_time = 0.000000 seconds icp.reply_median_svc_time = 0.000000 seconds dns.median_svc_time = 0.000000 seconds Diskd: sent_count: 103224 recv_count: 103224 max_away: 129 max_shmuse: 129 open_fail_queue_len: 0 block_queue_len: 15478 OPS SUCCESS FAIL open 4180 4180 0 create 4057 4057 0 close 8237 8237 0 unlink 737 737 0 read 16741 16741 0 write 69272 69272 0 You has too long queue, so this indicates bottleneck in IO. Need to find and resolve. 15.07.15 19:18, FredB пишет: > >> >> Did you check the TCP_HIT response times with the Diskd ? > > Yes > > 192.x.x.x - fred [15/Jul/2015:14:30:27 +0200] "GET http://ec.ccm2.net/www.commentcamarche.net/download/files/youtube_downloader_hd_setup-2.9.9.23.exe HTTP/1.0" 200 10096376 TCP_HIT:HIER_NONE "Wget/1.13.4 (linux-gnu)" > 192.x.x.x - fred [15/Jul/2015:14:30:31 +0200] "GET http://ec.ccm2.net/www.commentcamarche.net/download/files/youtube_downloader_hd_setup-2.9.9.23.exe HTTP/1.0" 200 10096376 TCP_HIT:HIER_NONE "Wget/1.13.4 (linux-gnu)" > 192.x.x.x - fred [15/Jul/2015:14:36:56 +0200] "GET http://ec.ccm2.net/www.commentcamarche.net/download/files/youtube_downloader_hd_setup-2.9.9.23.exe HTTP/1.0" 200 10096376 TCP_HIT:HIER_NONE "Wget/1.13.4 (linux-gnu)" > > >> During our tests, we have seen than it's sometime better to download >> the >> object from internet again instead using the one from the cache, we >> got >> better response times... >> > > Now I can't tell because I have a lot of bandwidth free (hundreds), but a request from squid cache to user is fast > Something between 6 and 10 M/s (En Français 6 and 10 MO -> 32 and 80 mbits) and I'm not sure than my lan network is unused ... > > So with hundreds of concurrent users I think that there is no special problem. > > FI more informations: username_cache tells me 4612 users > > Diskd stats > > squidclient -p 8080 mgr:diskd > > sent_count: 23105099 > recv_count: 23105042 > max_away: 143 > max_shmuse: 141 > open_fail_queue_len: 40114 > block_queue_len: 629596120 > > OPS SUCCESS FAIL > open 2192154 2192133 4 > create 1284546 1284546 0 > close 3476648 3476630 4 > unlink 981134 981131 2 > read 6541304 6541279 0 > write 8629313 8629313 0 > > > Last five minutes: > > squidclient -p 8080 mgr:5min > > > sample_start_time = 1436965191.905545 (Wed, 15 Jul 2015 12:59:51 GMT) > sample_end_time = 1436965491.907754 (Wed, 15 Jul 2015 13:04:51 GMT) > client_http.requests = 334.370871/sec > client_http.hits = 114.399158/sec > client_http.errors = 22.943164/sec > client_http.kbytes_in = 2948.928286/sec > client_http.kbytes_out = 6090.041824/sec > client_http.all_median_svc_time = 0.050460 seconds > client_http.miss_median_svc_time = 0.177113 seconds > client_http.nm_median_svc_time = 0.000911 seconds > client_http.nh_median_svc_time = 0.038286 seconds > client_http.hit_median_svc_time = 0.007665 seconds > server.all.requests = 237.598250/sec > server.all.errors = 0.000000/sec > server.all.kbytes_in = 5110.549036/sec > server.all.kbytes_out = 2765.982966/sec > server.http.requests = 185.981964/sec > server.http.errors = 0.000000/sec > server.http.kbytes_in = 1963.482209/sec > server.http.kbytes_out = 162.952133/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 = 51.616287/sec > server.other.errors = 0.000000/sec > server.other.kbytes_in = 3147.070160/sec > server.other.kbytes_out = 2603.030833/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 = 0.005733 seconds > unlink.requests = 2.859979/sec > page_faults = 0.010000/sec > select_loops = 6428.069335/sec > select_fds = 7919.858350/sec > average_select_fd_period = 0.000000/fd > median_select_fds = 0.000000 > swap.outs = 62.482873/sec > swap.ins = 129.082383/sec > swap.files_cleaned = 0.000000/sec > aborted_requests = 14.339894/sec > syscalls.disk.opens = 192.085252/sec > syscalls.disk.closes = 192.045253/sec > syscalls.disk.reads = 376.233896/sec > syscalls.disk.writes = 499.342990/sec > syscalls.disk.seeks = 0.000000/sec > syscalls.disk.unlinks = 57.879574/sec > syscalls.sock.accepts = 243.548207/sec > syscalls.sock.sockets = 131.322366/sec > syscalls.sock.connects = 131.322366/sec > syscalls.sock.binds = 0.000000/sec > syscalls.sock.closes = 377.267222/sec > syscalls.sock.reads = 3535.117303/sec > syscalls.sock.writes = 3999.197219/sec > syscalls.sock.recvfroms = 21.509842/sec > syscalls.sock.sendtos = 10.876587/sec > cpu_time = 170.718669 seconds > wall_time = 300.002209 seconds > cpu_usage = 56.905804% > > _______________________________________________ > squid-users mailing list > squid-users@xxxxxxxxxxxxxxxxxxxxx > http://lists.squid-cache.org/listinfo/squid-users -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJVpl+JAAoJENNXIZxhPexGk2IH/1zGNmtNl9xvTRjoyS2T2Js2 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