> 
> Hi,
>   The squid has been complied recently to use dl-malloc
> after this i see no performance improvements.

  Why do you expect performance improvements with dl-malloc ?


> , but the
> General RUntime of Cachemgr show these readings.
> 
> 
> Squid Object Cache: Version 2.5.STABLE7
> 
>       Start Time: Wed, 08 Dec 2004 14:25:05 GMT
>       Current Time: Thu, 09 Dec 2004 08:15:39 GMT
> 
> Connection information for squid:
>       Number of clients accessing cache:      906
>       Number of HTTP requests received:       3607952
>       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:   3370.1
>       Average ICP messages per minute since start:    0.0
>       Select loop called: 17142403 times, 3.747 ms avg
> Cache information for squid:
>       Request Hit Ratios:     5min: 47.8%, 60min: 48.5%
>       Byte Hit Ratios:        5min: 18.6%, 60min: 22.0%
>       Request Memory Hit Ratios:      5min: 16.7%, 60min: 15.9%
>       Request Disk Hit Ratios:        5min: 22.6%, 60min: 23.4%
>       Storage Swap size:      151142536 KB
>       Storage Mem size:       184308 KB
>       Mean Object Size:       15.00 KB
>       Requests given to unlinkd:      209
> Median Service Times (seconds)  5 min    60 min:
>       HTTP Requests (All):   0.72387  0.68577
>       Cache Misses:          1.31166  1.24267
>       Cache Hits:            0.00286  0.00463
>       Near Hits:             1.24267  1.24267
>       Not-Modified Replies:  0.00286  0.00286
>       DNS Lookups:           0.39726  0.61955
>       ICP Queries:           0.00000  0.00000
> Resource usage for squid:
>       UP Time:        64233.957 seconds
>       CPU Time:       34581.780 seconds
>       CPU Usage:      53.84%
>       CPU Usage, 5 minute avg:        97.88%
>       CPU Usage, 60 minute avg:       96.75%
>       Process Data Segment Size via sbrk(): 915338 KB
>       Maximum Resident Size: 0 KB
>       Page faults with physical i/o: 849
> Memory usage for squid via mallinfo():
>       Total space in arena:  1190794 KB
>       Ordinary blocks:       1188575 KB   6170 blks
>       Small blocks:          1197714 KB      0 blks
>       Holding blocks:          6920 KB      6 blks
>       Free Small blocks:          0 KB
>       Free Ordinary blocks:    2219 KB
>       Total in use:          -1801094 KB -149%    <--
>       Total free:              2219 KB 0%
>       Total size:            1197714 KB
> Memory accounted for:
>       Total accounted:       974964 KB
>       memPoolAlloc calls: 436889036
>       memPoolFree calls: 405805933
> File descriptor usage for squid:
>       Maximum number of file descriptors:   4096
>       Largest file desc currently in use:   1979
>       Number of file desc currently in use: 1930
>       Files queued for open:                   0
>       Available number of file descriptors: 2166
>       Reserved number of file descriptors:   100
>       Store Disk files open:                   0
> Internal Data Structures:
>       10076279 StoreEntries
>        35359 StoreEntries with MemObjects
>        35100 Hot Object Cache Items
>       10073713 on-disk objects
> 
> 
> Why is this showing absurd value. This was not the case till i used
> dl-malloc.

 Perhaps bugs in the malloc package or the way the squid stats. code
interacts with it when reporting stats.

> My compile options were
> Squid Cache: Version 2.5.STABLE7configure
> options:  --sysconfdir=/etc/squid --enable-storeio=diskd 
> --enable-snmp --ena
> ble-linux-netfilter --enable-underscores 
> --enable-removal-policies=lru --dis
> able-ident-lookups --with-dl --enable-err-languages=English 
> --enable-dlmallo
> c
> This is on SUSE 8.0 WITH 2.4.18 SMP KERNEL
> After all hard work still with 90-100 requests /sec squid 
> hovers around 98%
> CPU.
> Any advice.
> 

  M.
 

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