RE: [SQU] What is happening?

If you search the archives you will see the same question: and an
answer.

Rob

> -----Original Message-----
> From: Matthias Barnutz [mailto:barney@nef.wh.uni-dortmund.de]
> Sent: Tuesday, 7 November 2000 12:03 PM
> To: squid-users@ircache.net
> Subject: [SQU] What is happening?
>
>
> Hi!
>
> What is happening here? Why does Squid load exactly the same
> files multiple
> times? The effect ist, that the byte hit ratio goes high into
> the negative
> (around -200 or -300 %). How can I prevent this situation?
> Please help!
>
> Look at this and watch out for the different downloads of
> those *.mpg files:
>
> And afterward you can see a byte hit ratio of -423 %. What the hell is
> this??? I thought Squid should save bandwith. But it seems to waste
> bandwith. Please note, that a) there are no other
> neighbouring caches, and
> b) the bandwith waste is reality, I can confirm it with
> measurements on the
> routers.
>
>
> Cache Manager menu
>
>
> --------------------------------------------------------------
> --------------
> ----
>
> Active file descriptors:
> File Type Tout Nread * Nwrite * Remote Address Description
> ---- ------ ---- -------- -------- ---------------------
> -------------------
> -----------
> 0 Log 0 0 0 stdin
> 1 Log 0 0 0 stdout
> 2 Log 0 0 0 stderr
> 3 Log 0 0 0
> /var/squid/logs/cache.log
> 5 Socket 0 3788998 767110 .0 DNS Socket
> 6 File 0 0 51361759
> /var/squid/logs/access.log
> 7 Socket 0 0* 0 .0 HTTP Socket
> 8 Socket 1438 253* 349 129.217.240.22.2908
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 9 Socket 0 298768 25710886 127.0.0.1.2026
> squidGuard #1
> 10 Socket 0 36847 3098690 127.0.0.1.2028 squidGuard #2
> 11 Socket 0 10464 865984 127.0.0.1.2030 squidGuard #3
> 12 Socket 0 3111 255774 127.0.0.1.2032 squidGuard #4
> 13 Socket 0 993 82885 127.0.0.1.2034 squidGuard #5
> 14 Socket 0 451 37798 127.0.0.1.2036 squidGuard #6
> 15 Socket 0 239 19521 127.0.0.1.2038 squidGuard #7
> 16 Socket 0 141 12169 127.0.0.1.2040 squidGuard #8
> 17 Pipe 0 0 0
> unlinkd -> squid
> 18 Socket 0 82 6869 127.0.0.1.2042 squidGuard #9
> 19 Socket 0 49 4390 127.0.0.1.2044
> squidGuard #10
> 20 Pipe 0 0 0
> squid -> unlinkd
> 21 File 0 0 6118176
> /var/squid/cache/swap.state
> 22 Socket 1439 251* 0 129.217.240.22.2945
> http://128.206.177.86/files/Dark%20Angel/DA1x03.mpg
> 23 Socket 1 387* 2469 129.217.240.114.2919 Reading next
> request
> 24 Socket 1 251* 4690 129.217.240.186.1677 Reading next
> request
> 25 File 0 0 2209776
> /var/squid/cache2/swap.state
> 26 Socket 1438 252* 348 129.217.240.22.2906
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 27 Socket 1439 251* 0 129.217.240.22.2943
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 28 Socket 1 753* 1263 129.217.241.195.4146 Reading next
> request
> 29 Socket 1421 248* 12882269 129.217.240.22.2519
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 30 Socket 1439 251* 0 129.217.240.22.2944
> http://128.206.177.86/files/Dark%20Angel/DA1x03.mpg
> 31 Socket 15 547069* 692 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 32 Socket 1 1893* 17781 129.217.240.186.1633 Reading next
> request
> 33 Socket 1439 251* 0 129.217.240.22.2946
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 34 Socket 14 0* 688 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x03.mpg
> 35 Socket 14 0* 688 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 36 Socket 15 13018822* 688 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 37 Socket 15 0* 688 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x03.mpg
> 38 Socket 1 0 0* 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 39 Socket 0 1284* 3013 129.217.240.191.1319
> 152.163.243.121:5190
> 40 Socket 1439 251* 0 129.217.240.22.2947
> http://128.206.177.86/files/Dark%20Angel/DA1x03.mpg
> 41 Socket 15 217731* 692 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 42 Socket 1 0 0* 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x03.mpg
> 43 Socket 1439 250* 0 129.217.240.22.2948
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 44 Socket 1439 579 0 129.217.241.147.2055
> http://praline.novia.net/engine/gab.cgi
> 45 Socket 1 0 0* 216.40.15.244.80
> http://praline.novia.net/engine/gab.cgi
> 46 Socket 1 0 0* 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 47 Socket 15 247381111* 692 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x01-2.mpg
> 48 Socket 0 2974* 1100 152.163.243.121.5190
> 152.163.243.121:5190
> 49 Socket 1440 89* 0 129.217.240.1.2693
> cache_object://proxy.nef.wh.uni-dortmund.de/filedescriptors
> 50 Socket 1 22448* 110776 129.217.240.102.4167 Reading next
> request
> 52 Socket 1438 252* 348 129.217.240.22.2907
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 53 Socket 1438 253* 348 129.217.240.22.2905
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 61 Socket 1 632* 443 129.217.241.148.2313 Reading next
> request
> 66 Socket 1 623* 443 129.217.241.148.2314 Reading next
> request
> 67 Socket 1 522* 29480 129.217.240.186.1602 Reading next
> request
> 68 Socket 15 506107* 692 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 70 Socket 1 1349* 888 129.217.240.22.2925 Reading next
> request
> 71 Socket 15 10625295* 688 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x03.mpg
> 74 Socket 1 267* 3816 129.217.240.186.1620 Reading next
> request
> 75 Socket 1 888* 664 129.217.240.22.2924 Reading next
> request
> 76 Socket 0 1782* 87445 129.217.240.77.1175 Reading next
> request
> 77 Socket 1 258* 29144 129.217.240.186.1605 Reading next
> request
> 78 Socket 15 453753* 692 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 79 Socket 1 2292* 6636 129.217.240.186.1674 Reading next
> request
> 80 Socket 1 236* 13573 129.217.240.186.1635 Reading next
> request
> 81 Socket 1 321* 221 129.217.240.22.2931 Reading next
> request
> 83 Socket 1 360* 208 129.217.240.22.2932 Reading next
> request
> 84 Socket 1439 251* 0 129.217.240.22.2933
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 85 Socket 1 234* 18096 129.217.240.186.1636 Reading next
> request
> 86 Socket 1 264* 2225 129.217.240.186.1631 Reading next
> request
> 87 Socket 1 257* 11460 129.217.240.186.1609 Reading next
> request
> 88 Socket 1 264* 3645 129.217.240.186.1610 Reading next
> request
> 89 Socket 14 0* 688 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x04.mpg
> 90 Socket 1 264* 3883 129.217.240.186.1611 Reading next
> request
> 91 Socket 1 264* 4488 129.217.240.186.1612 Reading next
> request
> 92 Socket 1424 248* 10105178 129.217.240.22.2607
> http://128.206.177.86/files/Dark%20Angel/DA1x03.mpg
> 93 Socket 1 1014* 666 129.217.240.22.2926 Reading next
> request
> 94 Socket 1 67463* 9508 64.29.207.228.80
> www.ontrack.com
> idle connection
> 95 Socket 1 433* 390 129.217.240.22.2937 Reading next
> request
> 96 Socket 1 233* 1230 129.217.240.186.1637 Reading next
> request
> 97 Socket 1 125355* 2153228 129.217.240.102.4065 Reading next
> request
> 98 Socket 1 387* 2466 129.217.240.114.2920 Reading next
> request
> 99 Socket 1 801* 373 129.217.240.186.1613 Reading next
> request
> 100 Socket 1 260* 3801 129.217.240.186.1614 Reading next
> request
> 101 Socket 1439 233* 0 129.217.240.186.1638
> http://www.kiis.net/b3.gif
> 102 Socket 1 0 0* 151.196.213.243.80
> http://www.kiis.net/b3.gif
> 103 Socket 1 260* 2730 129.217.240.186.1615 Reading next
> request
> 104 Socket 1 264* 3368 129.217.240.186.1616 Reading next
> request
> 105 Socket 1 234* 1766 129.217.240.186.1639 Reading next
> request
> 106 Socket 1 1011* 25880 129.217.240.114.2918 Reading next
> request
> 107 Socket 1 234* 1675 129.217.240.186.1640 Reading next
> request
> 108 Socket 1 4674* 760 61.129.64.153.80
> www.netants.com
> idle connection
> 109 Socket 1 264* 4251 129.217.240.186.1618 Reading next
> request
> 110 Socket 1 233* 1958 129.217.240.186.1641 Reading next
> request
> 111 Socket 1 263* 8856 129.217.240.186.1619 Reading next
> request
> 112 Socket 1 676* 443 129.217.240.22.2927 Reading next
> request
> 113 Socket 1 2443* 664 129.217.240.186.1621 Reading next
> request
> 114 Socket 1 267* 3210 129.217.240.186.1622 Reading next
> request
> 115 Socket 1 233* 1839 129.217.240.186.1642 Reading next
> request
> 116 Socket 1 259* 16019 129.217.240.186.1623 Reading next
> request
> 117 Socket 1 474* 2267 129.217.240.186.1643 Reading next
> request
> 118 Socket 1 259* 16633 129.217.240.186.1624 Reading next
> request
> 119 Socket 1 364* 13103 129.217.240.22.2938 Reading next
> request
> 120 Socket 1 265* 3500 129.217.240.186.1625 Reading next
> request
> 121 Socket 1 267* 2967 129.217.240.186.1626 Reading next
> request
> 122 Socket 1 468* 5722 129.217.240.186.1644 Reading next
> request
> 123 Socket 1439 253* 0 129.217.240.22.2941
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 124 Socket 1 265* 4149 129.217.240.186.1627 Reading next
> request
> 125 Socket 14 0* 692 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x01-1.mpg
> 126 Socket 1 258* 6991 129.217.240.186.1628 Reading next
> request
> 128 Socket 1 267* 2871 129.217.240.186.1629 Reading next
> request
> 129 Socket 1 267* 2294 129.217.240.186.1630 Reading next
> request
> 130 Socket 1 582* 7815 129.217.241.148.2311 Reading next
> request
> 131 Socket 1 736* 1212 129.217.240.229.1388 Reading next
> request
> 132 Socket 1 394* 477 129.217.241.195.4147 Reading next
> request
> 133 Socket 1 301* 15071 129.217.240.186.1676 Reading next
> request
> 134 Socket 1 379* 3290 129.217.240.114.2921 Reading next
> request
> 135 Socket 1 233* 1824 129.217.240.186.1646 Reading next
> request
> 137 Socket 1 234* 1786 129.217.240.186.1647 Reading next
> request
> 139 Socket 1 233* 1595 129.217.240.186.1648 Reading next
> request
> 140 Socket 1 233* 1636 129.217.240.186.1649 Reading next
> request
> 141 Socket 1 234* 1866 129.217.240.186.1650 Reading next
> request
> 142 Socket 1 233* 1359 129.217.240.186.1651 Reading next
> request
> 143 Socket 14 265858451* 688 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x03.mpg
> 144 Socket 1 384* 1807 129.217.240.114.2922 Reading next
> request
> 146 Socket 1 2411* 976 64.29.207.228.80
> www.ontrack.com
> idle connection
> 147 Socket 1 3235* 960 64.29.207.228.80
> www.ontrack.com
> idle connection
> 148 Socket 1 238* 1319 129.217.240.186.1653 Reading next
> request
> 150 Socket 1 236* 1795 129.217.240.186.1654 Reading next
> request
> 151 Socket 1 1752* 970 64.29.207.228.80
> www.ontrack.com
> idle connection
> 153 Socket 1 234* 1703 129.217.240.186.1655 Reading next
> request
> 155 Socket 1 2199* 1435 129.217.240.186.1657 Reading next
> request
> 156 Socket 1 604* 32585 129.217.240.186.1659 Reading next
> request
> 159 Socket 1 329* 1678 64.27.92.123.80
> www14.brinkster.com
> idle connection
> 162 Socket 1 239* 3708 129.217.240.186.1665 Reading next
> request
> 167 Socket 1 801* 476 129.217.240.186.1668 Reading next
> request
> 168 Socket 14 269915843* 674 128.206.177.86.80
> http://128.206.177.86/files/Dark%20Angel/DA1x01-2.mpg
> 169 Socket 1 165* 908 64.27.92.123.80
> www14.brinkster.com
> idle connection
> 171 Socket 1 312* 219 129.217.240.229.1390 Reading next
> request
> 173 Socket 1 164* 908 64.27.92.123.80
> www14.brinkster.com
> idle connection
> 177 Socket 1 165* 906 64.27.92.123.80
> www14.brinkster.com
> idle connection
>
>
> --------------------------------------------------------------
> --------------
> ----
>
> Generated Tue, 07 Nov 2000 00:45:52 GMT, by
> cachemgr.cgi/2.3.STABLE4@emil.nef.wh.uni-dortmund.de
>
>
>
> Cache Manager menu
>
>
> --------------------------------------------------------------
> --------------
> ----
>
> Squid Object Cache: Version 2.3.STABLE4
>
> Start Time: Thu, 02 Nov 2000 22:28:15 GMT
> Current Time: Tue, 07 Nov 2000 00:56:43 GMT
>
> Connection information for squid:
> Number of clients accessing cache: 320
> Number of HTTP requests received: 1298217
> Number of ICP messages received: 0
> Number of ICP messages sent: 0
> Number of queued ICP replies: 0
> Request failure ratio: 0.00%
> HTTP requests per minute: 219.7
> ICP messages per minute: 0.0
> Select loop called: 20459410 times, 17.327 ms avg
> Cache information for squid:
> Request Hit Ratios: 5min: 43.1%, 60min: 32.4%
> Byte Hit Ratios: 5min: -423.7%, 60min: -271.9%
> Storage Swap size: 2972647 KB
> Storage Mem size: 16384 KB
> Storage LRU Expiration Age: 3.46 days
> Mean Object Size: 11.09 KB
> Requests given to unlinkd: 336332
> Median Service Times (seconds) 5 min 60 min:
> HTTP Requests (All): 0.46965 0.68577
> Cache Misses: 1.05672 1.11539
> Cache Hits: 0.01745 0.01745
> Near Hits: 1.05672 0.80651
> Not-Modified Replies: 0.00865 0.01164
> DNS Lookups: 0.00094 0.21305
> ICP Queries: 0.00000 0.00000
> Resource usage for squid:
> UP Time: 354508.366 seconds
> CPU Time: 15118.340 seconds
> CPU Usage: 4.26%
> CPU Usage, 5 minute avg: 5.09%
> CPU Usage, 60 minute avg: 5.41%
> Maximum Resident Size: 0 KB
> Page faults with physical i/o: 343923
> Memory usage for squid via mallinfo():
> Total space in arena: 54438 KB
> Ordinary blocks: 50832 KB 2322 blks
> Small blocks: 0 KB 0 blks
> Holding blocks: 500 KB 2 blks
> Free Small blocks: 0 KB
> Free Ordinary blocks: 3605 KB
> Total in use: 51332 KB 94%
> Total free: 3605 KB 7%
> Memory accounted for:
> Total accounted: 41695 KB
> File descriptor usage for squid:
> Maximum number of file descriptors: 1024
> Largest file desc currently in use: 168
> Number of file desc currently in use: 51
> Files queued for open: 0
> Available number of file descriptors: 973
> Reserved number of file descriptors: 100
> Store Disk files open: 0
> Internal Data Structures:
> 268118 StoreEntries
> 3345 StoreEntries with MemObjects
> 3337 Hot Object Cache Items
> 268005 Filemap bits set
> 268005 on-disk objects
>
>
> --------------------------------------------------------------
> --------------
> ----
>
> Generated Tue, 07 Nov 2000 00:56:43 GMT, by
> cachemgr.cgi/2.3.STABLE4@emil.nef.wh.uni-dortmund.de
>
>
> Thanks for your help!
>
> Matthias
>
>
> --
> To unsubscribe, see http://www.squid-cache.org/mailing-lists.html
>
>

--
To unsubscribe, see http://www.squid-cache.org/mailing-lists.html