> > 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
