Re: Using less than 0.3% of available swap

On Fri, 7 Nov 1997, Jtn wrote:

> Hope you can point me in the right direction.
>
> We are a small ISP pulling in about 600MB per day and would like to use Squid to reduce this.
>
> I've set up Squid on our web server:
> It has a 4GB SCSI devoted to the cache and 96MB RAM (Although for some
> reason Linux 2.0.30 'free' only reports 64MB even though the CMOS reports
> the full 96MB)
I had this problem, its a pc-lilo thingy
in your lilo.conf file under
root= /dev/hd
add
ammend = "mem=96M"
then run lilo from command line and reboot

>
> I've played around with mem and swap sizes and can't seem to get the cache to grow past about 13MB.
>
> Any ideas on where to start looking? I've read all of the FAQ's etc and haven't come up with anything.
>
> Copies of relevant information follows.
>
> Kind regards
> Stephen Neander
> jtn@acenet.com.au
>
>
> Cache Information
> -----------------------------------------------------------------------
> Squid Object Cache: Version 1.1.14
> Start Time: Wed, 05 Nov 1997 06:45:32 GMT
> Current Time: Fri, 07 Nov 1997 00:27:44 GMT
> Connection information for squid:
> Number of TCP connections: 28772
> Number of UDP connections: 0
> Connections per hour: 689.9
> Select loop called: 609273 times, 246.412 ms avg
> Cache information for squid:
> Storage Swap size: 13 MB
> Storage Mem size: 11631 KB
> Storage LRU Expiration Age: 365.00 days
> Requests given to unlinkd: 0
> Unused fileno stack count: 0
> Resource usage for squid:
> CPU Time: 431 seconds (246 user 185 sys)
> CPU Usage: 0%
> Maximum Resident Size: 0 KB
> Page faults with physical i/o: 1096
> Memory usage for squid via mallinfo():
> Total space in arena: 22272 KB
> Ordinary blocks: 12885 KB 1378 blks
> Small blocks: 0 KB 0 blks
> Holding blocks: 260 KB 1 blks
> Free Small blocks: 0 KB
> Free Ordinary blocks: 9387 KB
> Total in use: 13145 KB 59%
> Total free: 9387 KB 42%
> File descriptor usage for squid:
> Maximum number of file descriptors: 256
> Largest file desc currently in use: 22
> Number of file desc currently in use: 22
> Available number of file descriptors: 234
> Reserved number of file descriptors: 64
> Internal Data Structures:
> 2222 StoreEntries
> 59 StoreEntries with MemObjects
> 59 StoreEntries with MemObject Data
> 57 Hot Object Cache Items
> Accounted Memory Usage:
> StoreEntry 2222 x 52 bytes = 112 KB
> URL strings = 115 KB
> IPCacheEntry 137 x 36 bytes = 4 KB
> FQDNCacheEntry 0 x 56 bytes = 0 KB
> Hash link 57 x 12 bytes = 0 KB
> Pool MemObject structures 59 x 100 bytes = 5 KB ( 0 free)
> Pool for Request structur 61 x 4408 bytes = 262 KB ( 0 free)
> Pool for in-memory object 2947 x 4096 bytes = 11788 KB ( 0 free)
> Pool for disk I/O 1 x 8192 bytes = 8 KB ( 0 free)
> NetDB Address Entries 0 x 76 bytes = 0 KB
> NetDB Host Entries 0 x 8 bytes = 0 KB
> NetDB Peer Entries 0 x 24 bytes = 0 KB
> ClientDB Entries 44 x 292 bytes = 12 KB
> Miscellaneous = 461 KB
> Total Accounted = 12771 KB
> -----------------------------------------------------------------------
>
> Cache Parameters
> -----------------------------------------------------------------------
> Parameter Value Description
> VM-Max 15 Maximum hot-vm cache (MB)
> VM-High 90 High water mark hot-vm cache (%)
> VM-Low 75 Low water mark hot-vm cache (%)
> Swap-Max 3000 Maximum disk cache (MB)
> Swap-High 95 High water mark disk cache (%)
> Swap-Low 90 Low water mark disk cache (%)
> Neg-TTL 300 TTL for negative cache (s)
> ReadTimeout 900 Maximum idle connection (s)
> ClientLifetime 12000 Lifetime for incoming HTTP requests
> CleanRate 31536000 Rate for periodic object expiring
> HttpAccelMode 0 Is operating as an HTTP accelerator
> -----------------------------------------------------------------------
>
> Cache Configuration File
> -----------------------------------------------------------------------
> #squid.conf - a very basic config file for squid
>
> #Turn logging to it's lowest level
> debug_options ALL,1
>
> #defines a group (or Access Control List) that includes all IP
> #addresses
> acl all src 0.0.0.0/0.0.0.0
>
> acl manager proto cache_object
> acl localhost src 127.0.0.1/255.255.255.255
> acl allowed_hosts_nar src 203.35.118.0/255.255.255.192
> acl allowed_hosts_bow src 203.35.119.0/255.255.255.192
> acl web_server src 203.35.118.2/255.255.255.192
> #acl Dangerous_ports port 7 9 19
>
>
> #http_access deny manager all
> #http_access deny Dangerous_ports
> http_access allow allowed_hosts_nar
> http_access allow allowed_hosts_bow
> http_access deny manager !localhost !web_server
> #http_access deny all
>
>
> icp_access allow allowed_hosts_nar
> icp_access allow allowed_hosts_bow
> icp_access deny all
>
>
> #allow all sites to use connect to us via HTTP
> #http_access allow all
>
> #allow all sites to use us as a sibling
> #icp_access allow all
>
> #test the following sites to check that we are connected
> dns_testnames internic.net usc.edu cs.colorado.edu mit.edu yale.edu
>
> #run as the squid user
> cache_effective_user squid squid
> #otherwise, you can uncomment the below line and comment the one out.
> # this will run as use "nobody" with the group "nogrtoup"
> #cache_effective_user nobody nobody
>
> err_html_text <A HREF="mailto:squid@acenet.com.au">Webmaster</A>
>
> cache_mgr squid@acenet.com.au
>
> cachemgr_passwd jbdkclzq all
>
> cache_mem 15
>
> cache_swap 3000
>
> cache_host ozric.telstra.net parent 3128 3130 no-query default
>
> cache_stoplist cgi-bin ? acenet.com.au ace.com.au berkelouw.com.au bvr.com.au
> hierarchy_stoplist hotmail.com
> memory_pools off
> -----------------------------------------------------------------------
>
> Thank You :-)
>
>

_________________________________________________________
Malcolm Garbutt
Network Operations-
OZLAND.NET MILDURA.NET MURRAY.NET

Office Ph. 03 50 212 991 Office Fax 03 50 212 932
Emergency Ph. 018 596 150

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_________________________________________________________
Received on Thu Nov 06 1997 - 17:58:44 MST