[squid-users] Tweaks

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%
Received on Fri Feb 16 2007 - 16:28:39 MST