[squid-users] Squid usage

Could somebody tell me if there is somethings that can improve the
efficiency of squid

What is the difference between client_http.requests and client_http.hits

Squid Object Cache: Version 2.4.STABLE1

 Start Time:
           Mon, 14 May 2001 02:06:17 GMT
 Current Time:
           Mon, 14 May 2001 10:08:17 GMT

Connection information for squid:
        Number of clients accessing cache: 3751
        Number of HTTP requests received: 1479320
        Number of ICP messages received: 1430114
        Number of ICP messages sent: 1448698
        Number of queued ICP replies: 0
        Request failure ratio: 0.0000000000000%
        HTTP requests per minute: 3069.1
        ICP messages per minute: 5972.7
        Select loop called: 2586341 times, 11.182 ms avg
Cache information for squid:
        Request Hit Ratios: 5min: 27.9%, 60min: 26.7%
        Byte Hit Ratios: 5min: 19.3%, 60min: 17.2%
        Request Memory Hit Ratios: 5min: 1.8%, 60min: 1.9%
        Request Disk Hit Ratios: 5min: 37.8%, 60min: 41.1%
        Storage Swap size: 6445316 KB
        Storage Mem size: 16368 KB
        Mean Object Size: 13.22 KB
        Requests given to unlinkd: 4530
Median Service Times (seconds) 5 min 60 min:
        HTTP Requests (All): 0.39928 0.39928
        Cache Misses: 0.76407 0.85130
        Cache Hits: 0.17711 0.14252
        Near Hits: 0.85130 0.85130
        Not-Modified Replies: 0.15048 0.11465
        DNS Lookups: 0.14261 0.13638
        ICP Queries: 0.00000 0.00000
Resource usage for squid:
        UP Time: 28919.875 seconds
        CPU Time: 17488.190 seconds
        CPU Usage: 60.47%
        CPU Usage, 5 minute avg: 85.26%
        CPU Usage, 60 minute avg: 86.70%
        Maximum Resident Size: 707440 KB
        Page faults with physical i/o: 7156
Memory usage for squid via mallinfo():
        Total space in arena: 175296 KB
        Ordinary blocks: 155890 KB 2352308 blks
        Small blocks: 0 KB 0 blks
        Holding blocks: 0 KB 0 blks
        Free Small blocks: 0 KB
        Free Ordinary blocks: 1028 KB
        Total in use: 155890 KB 89%
        Total free: 1028 KB 1%
Memory accounted for:
        Total accounted: 104467 KB
        memPoolAlloc calls: 171215030
        memPoolFree calls: 169190130
File descriptor usage for squid:
        Maximum number of file descriptors: 32768
        Largest file desc currently in use: 1353
        Number of file desc currently in use: 1242
        Files queued for open: 0
        Available number of file descriptors: 31526
        Reserved number of file descriptors: 100
        Store Disk files open: 0
Internal Data Structures:
        503560 StoreEntries
         18206 StoreEntries with MemObjects
          2104 Hot Object Cache Items
        487375 on-disk objects

DISKD Stat

sent_count: 3258314
recv_count: 3258275
max_away: 145
max_shmuse: 133
open_fail_queue_len: 2415
block_queue_len: 43219991

             OPS SUCCESS FAIL
   open 355278 355177 99
 create 281560 281553 0
  close 636719 636706 0
 unlink 304766 304511 255
   read 513435 513331 0
  write 1166556 1166539 0

5 Minutes average of counters

sample_start_time = 989834445.551414 (Mon, 14 May 2001 10:00:45 GMT)
sample_end_time = 989834746.10227 (Mon, 14 May 2001 10:05:46 GMT)
client_http.requests = 95.157801/sec
client_http.hits = 26.755747/sec
client_http.errors = 0.000000/sec
client_http.kbytes_in = 37.093270/sec
client_http.kbytes_out = 377.402809/sec
client_http.all_median_svc_time = 0.378247 seconds
client_http.miss_median_svc_time = 0.806511 seconds
client_http.nm_median_svc_time = 0.142521 seconds
client_http.nh_median_svc_time = 0.851301 seconds
client_http.hit_median_svc_time = 0.177113 seconds
server.all.requests = 53.288502/sec
server.all.errors = 0.000000/sec
server.all.kbytes_in = 302.760299/sec
server.all.kbytes_out = 27.005365/sec
server.http.requests = 51.997143/sec
server.http.errors = 0.000000/sec
server.http.kbytes_in = 297.594865/sec
server.http.kbytes_out = 26.213243/sec
server.ftp.requests = 0.009985/sec
server.ftp.errors = 0.000000/sec
server.ftp.kbytes_in = 0.918595/sec
server.ftp.kbytes_out = 0.000000/sec
server.other.requests = 1.281374/sec
server.other.errors = 0.000000/sec
server.other.kbytes_in = 4.253495/sec
server.other.kbytes_out = 0.792122/sec
icp.pkts_sent = 98.156548/sec
icp.pkts_recv = 96.608915/sec
icp.queries_sent = 84.620583/sec
icp.replies_sent = 13.535965/sec
icp.queries_recv = 13.535965/sec
icp.replies_recv = 83.072950/sec
icp.replies_queued = 0.000000/sec
icp.query_timeouts = 0.000000/sec
icp.kbytes_sent = 7.838013/sec
icp.kbytes_recv = 7.435295/sec
icp.q_kbytes_sent = 6.832883/sec
icp.r_kbytes_sent = 1.001801/sec
icp.q_kbytes_recv = 1.055053/sec
icp.r_kbytes_recv = 6.383570/sec
icp.query_median_svc_time = 0.000000 seconds
icp.reply_median_svc_time = 0.000000 seconds
dns.median_svc_time = 0.142607 seconds
unlink.requests = 0.176397/sec
page_faults = 0.129801/sec
select_loops = 10.873371/sec
select_fds = 563.225283/sec
average_select_fd_period = 0.001702/fd
median_select_fds = 42.998688
swap.outs = 18.381887/sec
swap.ins = 25.131564/sec
swap.files_cleaned = 0.039939/sec
aborted_requests = 8.683386/sec
syscalls.polls = 39.539529/sec
syscalls.disk.opens = 43.476841/sec
syscalls.disk.closes = 43.496810/sec
syscalls.disk.reads = 35.362584/sec
syscalls.disk.writes = 95.683664/sec
syscalls.disk.seeks = 0.000000/sec
syscalls.disk.unlinks = 15.725949/sec
syscalls.sock.accepts = 43.436902/sec
syscalls.sock.sockets = 36.437607/sec
syscalls.sock.connects = 33.485455/sec
syscalls.sock.binds = 33.645210/sec
syscalls.sock.closes = 67.583306/sec
syscalls.sock.reads = 329.569298/sec
syscalls.sock.writes = 262.974480/sec
syscalls.sock.recvfroms = 120.459106/sec
syscalls.sock.sendtos = 106.174286/sec
cpu_time = 254.450000 seconds
wall_time = 300.458813 seconds
cpu_usage = 84.687148%
Received on Mon May 14 2001 - 04:28:45 MDT