Cache Utilization: Cache Utilisation: Last 5 minutes: sample_start_time = 1270370128.471469 (Sun, 04 Apr 2010 08:35:28 GMT) sample_end_time = 1270370428.475867 (Sun, 04 Apr 2010 08:40:28 GMT) client_http.requests = 74.968901/sec client_http.hits = 32.009531/sec client_http.errors = 0.000000/sec client_http.kbytes_in = 63.332405/sec client_http.kbytes_out = 1518.634403/sec client_http.all_median_svc_time = 0.469653 seconds client_http.miss_median_svc_time = 0.898576 seconds client_http.nm_median_svc_time = 0.000000 seconds client_http.nh_median_svc_time = 0.444919 seconds client_http.hit_median_svc_time = 0.000000 seconds server.all.requests = 47.595969/sec server.all.errors = 0.000000/sec server.all.kbytes_in = 1082.214135/sec server.all.kbytes_out = 49.639272/sec server.http.requests = 47.595969/sec server.http.errors = 0.000000/sec server.http.kbytes_in = 1082.214135/sec server.http.kbytes_out = 49.639272/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 = 0.186387 seconds unlink.requests = 0.000000/sec page_faults = 0.000000/sec select_loops = 1425.702433/sec select_fds = 1506.081254/sec average_select_fd_period = 0.000664/fd median_select_fds = 0.000000 swap.outs = 12.696481/sec swap.ins = 34.692825/sec swap.files_cleaned = 8.033216/sec aborted_requests = 1.393313/sec syscalls.polls = 1425.702433/sec syscalls.disk.opens = 33.839504/sec syscalls.disk.closes = 67.665675/sec syscalls.disk.reads = 85.932074/sec syscalls.disk.writes = 147.074511/sec syscalls.disk.seeks = 0.000000/sec syscalls.disk.unlinks = 14.563120/sec syscalls.sock.accepts = 56.059178/sec syscalls.sock.sockets = 24.222978/sec syscalls.sock.connects = 24.206312/sec syscalls.sock.binds = 24.222978/sec syscalls.sock.closes = 53.089222/sec syscalls.sock.reads = 679.016712/sec syscalls.sock.writes = 790.638409/sec syscalls.sock.recvfroms = 6.759901/sec syscalls.sock.sendtos = 3.409950/sec cpu_time = 22.005375 seconds wall_time = 300.004398 seconds cpu_usage = 7.335017% Squid Object Cache: Version 2.7.STABLE9 Connection information for squid: Number of clients accessing cache: 0 Number of HTTP requests received: 19761492 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: 7439.0 Average ICP messages per minute since start: 0.0 Select loop called: 235829976 times, 0.676 ms avg Cache information for squid: Request Hit Ratios: 5min: 41.4%, 60min: 43.1% Byte Hit Ratios: 5min: 27.6%, 60min: 24.7% Request Memory Hit Ratios: 5min: 33.6%, 60min: 29.2% Request Disk Hit Ratios: 5min: 37.9%, 60min: 39.3% Storage Swap size: 301573020 KB Storage Mem size: 5243024 KB Mean Object Size: 23.09 KB Requests given to unlinkd: 0 Median Service Times (seconds) 5 min 60 min: HTTP Requests (All): 0.46965 0.44492 Cache Misses: 0.89858 0.85130 Cache Hits: 0.00000 0.00000 Near Hits: 0.44492 0.46965 Not-Modified Replies: 0.00000 0.00000 DNS Lookups: 0.18639 0.18639 ICP Queries: 0.00000 0.00000 Resource usage for squid: UP Time: 159388.998 seconds CPU Time: 14041.662 seconds CPU Usage: 8.81% CPU Usage, 5 minute avg: 7.24% CPU Usage, 60 minute avg: 5.94% Process Data Segment Size via sbrk(): 1040036 KB Maximum Resident Size: 0 KB Page faults with physical i/o: 3 Memory usage for squid via mallinfo(): Total space in arena: 233180 KB Ordinary blocks: 225885 KB 11433 blks Small blocks: 0 KB 0 blks Holding blocks: 276604 KB 5 blks Free Small blocks: 0 KB Free Ordinary blocks: 7294 KB Total in use: 502489 KB 99% Total free: 7294 KB 1% Total size: 509784 KB Memory accounted for: Total accounted: 7770073 KB memPoolAlloc calls: 2639181306 memPoolFree calls: 2583577860 File descriptor usage for squid: Maximum number of file descriptors: 8192 Largest file desc currently in use: 3792 Number of file desc currently in use: 2775 Files queued for open: 4 Available number of file descriptors: 5413 Reserved number of file descriptors: 100 Store Disk files open: 51 IO loop method: epoll Internal Data Structures: 13107338 StoreEntries 669218 StoreEntries with MemObjects 667967 Hot Object Cache Items 13062902 on-disk objects I issued this today to check the store_swap_size value @ last time squid was started ... But why did Squid didnt shutdown properly? the shutdown_lifetime is already set to 50 seconds isn't that enough? pr0xySRV:~# less /var/logs/squid/cache.log | grep store_swap_size 2010/03/24 22:50:42| store_swap_size = 38813132k 2010/03/24 22:52:18| store_swap_size = 38813132k 2010/03/26 17:34:50| store_swap_size = 83351932k 2010/03/27 12:24:15| store_swap_size = 103396892k 2010/03/27 12:27:00| store_swap_size = 103396892k 2010/03/29 14:59:49| store_swap_size = 175869696k 2010/03/29 17:47:16| store_swap_size = 158334488k 2010/03/31 02:14:25| store_swap_size = 194989120k 2010/03/31 02:19:02| store_swap_size = 194989120k 2010/03/31 02:25:36| store_swap_size = 194989120k 2010/03/31 02:35:05| store_swap_size = 194989120k 2010/04/01 00:53:27| store_swap_size = 219420056k 2010/04/01 01:14:12| store_swap_size = 219740988k 2010/04/01 15:09:14| store_swap_size = 231067008k 2010/04/02 15:17:55| store_swap_size = 125951712k 2010/04/02 15:25:56| store_swap_size = 251919768k as you can notice the last 2 values of store_swap_size they are totally different.... What could be happening? 2010/4/4 Henrik Nordström <henrik@xxxxxxxxxxxxxxxxxxx>: > lör 2010-04-03 klockan 23:39 +0300 skrev Mr. Issa(*): > >> 2010/03/27 12:26:40| Rebuilding storage in /cache1 (DIRTY) >> 2010/03/27 12:26:40| Rebuilding storage in /cache2 (DIRTY) > > Looks like you did not allow Squid to shut down cleanly before. > >> 2010/03/27 12:27:00| store_swap_size = 103396892k > > So there is 103 GB on-disk cache Squid knows about from it's indexes.. > which seem to be considerably less than what's in your cache > directories. > >> Also today i did find this in the cache.log >> 2010/03/27 00:43:43| storeUpdateCopy: Aborted at 24617 (0) > > Unrelated and harmless. > >> Every day the cache is decreasing about 10GB or more. > > What does cachemgr say about cache usage? > > A guess is that the index only got partially saved when you shut down > Squid earlier causing a lot of objects to get forgotten, and that the > background cleaner job is now slowly removing unknown objects from the > cache directories. > > Regards > Henrik > >
