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> Well, as a comparison, for an SGI Challenge S (irix 6.2) 256MB RAM:
> (with some extra memory figures added below)

> Memory usage for squid via mallinfo():

>         Total in use:          126373 KB 67%
>         Total free:             61266 KB 33%

> Meta Data:
>         Total Accounted                                =  83741 KB

> We think our memory usage is just 'correct'. We have a lot of slow

I can agree on that. Only 33% of your Squid's reserved memory is 
unused. If I had the same percentage I'd have no problem. But right
now I have the following:

Connection information for squid:
        Number of TCP connections:      40309
        Number of UDP connections:      69371
        Connections per hour:   18464.6
Cache information for squid:
        Storage Swap size:      3204 MB
        Storage Mem size:       1738 KB
Memory usage for squid via mallinfo():
        Total space in arena:  170271 KB         <--- Almost what ps reports
        Ordinary blocks:        30067 KB 475141 blks
        Small blocks:             210 KB  16500 blks
        Holding blocks:             5 KB    165 blks
        Free Small blocks:        110 KB
        Free Ordinary blocks:  139878 KB
        Total in use:           30283 KB 18%
        Total free:            139988 KB 82%     <--- My problem!
Internal Data Structures:
        Hot Object Cache Items 18
        StoreEntries with MemObjects 18
Meta Data:
        StoreEntry                 202130 x   48 bytes =   9474 KB
        IPCacheEntry                  959 x   52 bytes =     48 KB
        Hash link                       0 x   12 bytes =      0 KB
        URL strings                                    =   9171 KB
        Pool MemObject structures      18 x   96 bytes =      1 KB (     0 
free)
        Pool for Request structur      18 x 4384 bytes =     77 KB (     0 
free)
        Pool for in-memory object    1377 x 4096 bytes =   5508 KB (     0 
free)
        Pool for disk I/O               7 x 8192 bytes =     56 KB (     0 
free)
        Miscellaneous                                  =   1586 KB
        Total Accounted                                =  25924 KB

It seems to me that 82% (and growing) of my Squid's reserved memory are 
not used, even though I turned _off_ memory_pools. It just can't be right...
- -- 
| Lars Slettjord             | EMAIL: larss@cc.uit.no
| University Computer Centre | URL  : http://www.cc.uit.no/~larss/
| University of Tromsoe      | PHONE: +47 77644115
| N-9037 Tromsoe             | FAX  : +47 77644100



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