Anything I should tweak on Squid? This is running as a transparent cache strictly for http and I have complaints that at times webpages will not come up. See anything to cause that? Its on CentOS 4.4 with filedescriptors increased to 8192 per application. http_port 7080 vport=80 vhost cache_dir aufs /usr/local/squid/var/cache 48000 16 256 Matt Store Directory Statistics: Store Entries : 2325811 Maximum Swap Size : 49152000 KB Current Store Swap Size: 44236844 KB Current Capacity : 90% used, 10% free Store Directory #0 (aufs): /usr/local/squid/var/cache FS Block Size 4096 Bytes First level subdirectories: 16 Second level subdirectories: 256 Maximum Size: 49152000 KB Current Size: 44236844 KB Percent Used: 90.00% Current load metric: 100 / 1000 Filemap bits in use: 2325712 of 4194304 (55%) Filesystem Space in use: 52611828/113146552 KB (46%) Filesystem Inodes in use: 2375925/14368768 (17%) Flags: SELECTED Removal policy: lru LRU reference age: 11.70 days ------------ Squid Object Cache: Version 2.6.STABLE9 Start Time: Sat, 03 Feb 2007 20:56:38 GMT Current Time: Fri, 16 Feb 2007 22:55:52 GMT Connection information for squid: Number of clients accessing cache: 311 Number of HTTP requests received: 16698329 Number of ICP messages received: 0 Number of ICP messages sent: 0 Number of queued ICP replies: 0 Request failure ratio: 0.00 Average HTTP requests per minute since start: 886.4 Average ICP messages per minute since start: 0.0 Select loop called: 557356632 times, 2.028 ms avg Cache information for squid: Request Hit Ratios: 5min: 40.3%, 60min: 43.1% Byte Hit Ratios: 5min: 14.7%, 60min: 17.1% Request Memory Hit Ratios: 5min: 0.8%, 60min: 0.9% Request Disk Hit Ratios: 5min: 33.2%, 60min: 29.8% Storage Swap size: 44236728 KB Storage Mem size: 8156 KB Mean Object Size: 19.02 KB Requests given to unlinkd: 0 Median Service Times (seconds) 5 min 60 min: HTTP Requests (All): 0.20843 0.22004 Cache Misses: 0.33943 0.39928 Cache Hits: 0.02317 0.02190 Near Hits: 0.32154 0.33943 Not-Modified Replies: 0.00379 0.00379 DNS Lookups: 0.00779 0.09117 ICP Queries: 0.00000 0.00000 Resource usage for squid: UP Time: 1130354.320 seconds CPU Time: 10192.967 seconds CPU Usage: 0.90% CPU Usage, 5 minute avg: 2.02% CPU Usage, 60 minute avg: 1.89% Process Data Segment Size via sbrk(): 728112 KB Maximum Resident Size: 0 KB Page faults with physical i/o: 3 Memory usage for squid via mallinfo(): Total space in arena: 728112 KB Ordinary blocks: 242570 KB 5163 blks Small blocks: 0 KB 0 blks Holding blocks: 3884 KB 5 blks Free Small blocks: 0 KB Free Ordinary blocks: 485541 KB Total in use: 246454 KB 34% Total free: 485541 KB 66% Total size: 731996 KB Memory accounted for: Total accounted: 190107 KB memPoolAlloc calls: 2207481656 memPoolFree calls: 2200443923 File descriptor usage for squid: Maximum number of file descriptors: 8192 Largest file desc currently in use: 813 Number of file desc currently in use: 713 Files queued for open: 0 Available number of file descriptors: 7479 Reserved number of file descriptors: 100 Store Disk files open: 2 IO loop method: epoll Internal Data Structures: 2325594 StoreEntries 1695 StoreEntries with MemObjects 1684 Hot Object Cache Items 2325509 on-disk objects ---------------- sample_start_time = 1171662998.893920 (Fri, 16 Feb 2007 21:56:38 GMT) sample_end_time = 1171666598.894037 (Fri, 16 Feb 2007 22:56:38 GMT) client_http.requests = 26.950555/sec client_http.hits = 11.578889/sec client_http.errors = 0.000000/sec client_http.kbytes_in = 20.865555/sec client_http.kbytes_out = 276.670824/sec client_http.all_median_svc_time = 0.208426 seconds client_http.miss_median_svc_time = 0.399283 seconds client_http.nm_median_svc_time = 0.003785 seconds client_http.nh_median_svc_time = 0.339434 seconds client_http.hit_median_svc_time = 0.021898 seconds server.all.requests = 16.314166/sec server.all.errors = 0.000000/sec server.all.kbytes_in = 229.308326/sec server.all.kbytes_out = 15.235833/sec server.http.requests = 16.314166/sec server.http.errors = 0.000000/sec server.http.kbytes_in = 229.308326/sec server.http.kbytes_out = 15.235833/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 = 0.000000/sec server.other.errors = 0.000000/sec server.other.kbytes_in = 0.000000/sec server.other.kbytes_out = 0.000000/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 = 0.087168 seconds unlink.requests = 0.000000/sec page_faults = 0.000000/sec select_loops = 667.882201/sec select_fds = 358.980266/sec average_select_fd_period = 0.002786/fd median_select_fds = 0.000000 swap.outs = 3.172500/sec swap.ins = 16.685555/sec swap.files_cleaned = 0.000000/sec aborted_requests = 1.028889/sec syscalls.polls = 667.882201/sec syscalls.disk.opens = 15.022777/sec syscalls.disk.closes = 30.024443/sec syscalls.disk.reads = 22.255833/sec syscalls.disk.writes = 29.583055/sec syscalls.disk.seeks = 0.000000/sec syscalls.disk.unlinks = 3.355555/sec syscalls.sock.accepts = 20.613610/sec syscalls.sock.sockets = 9.025000/sec syscalls.sock.connects = 9.018889/sec syscalls.sock.binds = 9.025000/sec syscalls.sock.closes = 19.378333/sec syscalls.sock.reads = 167.029995/sec syscalls.sock.writes = 156.382773/sec syscalls.sock.recvfroms = 3.142500/sec syscalls.sock.sendtos = 1.576111/sec cpu_time = 68.338610 seconds wall_time = 3600.000117 seconds cpu_usage = 1.898295%
