Re: [squid-users] Insight into vmstat output?

I do not think that you should rebuild your kernel.
First tweak your squid.conf and see what results you
get, i will say lower down the squidGuard threads.
helperOpenServers: Starting 25 'squidGuard'

--- Brett Charbeneau <brett@wrl.org> wrote:

> Greetings Fellow Squidders,
>
> I have a Squid box running at my main library
> (2.5.STABLE1) and
> I'm trying to get things tuned up on it. It's of the
> RedHat flavor running
> kernel 2.4.20-30.9 with 1 GB of RAM.
> NOW: the kernel needs to be recompiled with HIGHMEM
> enabled so it can
> take full advantage of the RAM (as it only addresses
> 896 MB, now) and my plan is
> to do that tomorrow as well as stick an additional
> 512 MB in it.
> I've got some vmstat info below, and as you'll
> notice the amount of swap
> increases at the beginning of the day and tends to
> hover around 102700 (yes, six
> digits there) - which I understand to be a Bad
> Thing.
> Will a recompile of the kernel with HIGHMEM make a
> difference here or do
> I need to start tweaking cache settings in
> squid.conf?
> Or am I already I/O bound?
> MANY thanks in advance for any help anyone can find
> the time to offer.
>
>
>
>
> [root]# vmstat 5
> procs memory swap
> io system cpu
> r b w swpd free buff cache si so bi
> bo in cs us sy id
> 0 0 1 10380 7364 90524 289184 0 1 20
> 24 145 33 1 1 98
> 0 0 0 10476 7244 90484 289288 0 19 9
> 78 285 114 2 4 94
> 0 0 0 10476 7128 90520 289268 4 0 42
> 22 530 269 5 11 83
> 0 1 0 10588 7264 90620 288872 4 24 52
> 121 461 221 3 8 90
> 0 0 0 10620 7272 90808 288668 6 6 94
> 62 341 169 3 4 92
>
>
> [root]# cat /proc/meminfo
> total: used: free: shared: buffers:
> cached:
> Mem: 924434432 894775296 29659136 0 92082176
> 331661312
> Swap: 205623296 103870464 101752832
> MemTotal: 902768 kB
> MemFree: 28964 kB
> MemShared: 0 kB
> Buffers: 89924 kB
> Cached: 230668 kB
> SwapCached: 93220 kB
> Active: 663912 kB
> ActiveAnon: 460992 kB
> ActiveCache: 202920 kB
> Inact_dirty: 53640 kB
> Inact_laundry: 98576 kB
> Inact_clean: 20504 kB
> Inact_target: 167324 kB
> HighTotal: 0 kB
> HighFree: 0 kB
> LowTotal: 902768 kB
> LowFree: 28964 kB
> SwapTotal: 200804 kB
> SwapFree: 99368 kB
>
>
> From cache.log at Squid startup:
>
> 2004/08/31 05:01:28| Starting Squid Cache version
> 2.5.STABLE1 for
> i386-redhat-linux-gnu...
> 2004/08/31 05:01:28| Process ID 1013
> 2004/08/31 05:01:28| With 1024 file descriptors
> available
> 2004/08/31 05:01:28| DNS Socket created at 0.0.0.0,
> port 32768, FD 5
> 2004/08/31 05:01:28| Adding nameserver
> xxx.xxx.xxx.xxx from /etc/resolv.conf
> 2004/08/31 05:01:28| Adding nameserver
> xxx.xxx.xxx.xxx from /etc/resolv.conf
> 2004/08/31 05:01:28| Adding nameserver
> xxx.xxx.xxx.xxx from /etc/resolv.conf
> 2004/08/31 05:01:28| helperOpenServers: Starting 25
> 'squidGuard' processes
> 2004/08/31 05:01:28| Unlinkd pipe opened on FD 35
> 2004/08/31 05:01:28| Swap maxSize 61440000 KB,
> estimated 4726153 objects
> 2004/08/31 05:01:28| Target number of buckets:
> 236307
> 2004/08/31 05:01:28| Using 262144 Store buckets
> 2004/08/31 05:01:28| Max Mem size: 65536 KB
> 2004/08/31 05:01:28| Max Swap size: 61440000 KB
> 2004/08/31 05:01:28| Rebuilding storage in
> /var/spool/squid (CLEAN)
> 2004/08/31 05:01:28| Using Least Load store dir
> selection
> 2004/08/31 05:01:28| Set Current Directory to
> /var/spool/squid
> 2004/08/31 05:01:28| helperOpenServers: Starting 25
> 'squidGuard' processes
> 2004/08/31 05:01:28| Unlinkd pipe opened on FD 35
> 2004/08/31 05:01:28| Swap maxSize 61440000 KB,
> estimated 4726153 objects
> 2004/08/31 05:01:28| Target number of buckets:
> 236307
> 2004/08/31 05:01:28| Using 262144 Store buckets
> 2004/08/31 05:01:28| Max Mem size: 65536 KB
> 2004/08/31 05:01:28| Max Swap size: 61440000 KB
> 2004/08/31 05:01:28| Rebuilding storage in
> /var/spool/squid (CLEAN)
> 2004/08/31 05:01:28| Using Least Load store dir
> selection
> 2004/08/31 05:01:28| Set Current Directory to
> /var/spool/squid
> 2004/08/31 05:01:28| Loaded Icons.
> 2004/08/31 05:01:29| Accepting HTTP connections at
> 0.0.0.0, port 3128, FD 37.
> 2004/08/31 05:01:29| Accepting ICP messages at
> 0.0.0.0, port 3130, FD 38.
> 2004/08/31 05:01:29| WCCP Disabled.
> 2004/08/31 05:01:29| Ready to serve requests.
>
> --
>
> Brett Charbeneau, Network Administrator Tel:
> 757-259-7750
> Williamsburg Regional Library FAX:
> 757-259-7798
> 7770 Croaker Road
> brett _at_ wrl.org
> Williamsburg, VA 23188-7064
> http://www.wrl.org
>
>
>
>

=====
Regards,
Mohsin Khan
CCNA ( Cisco Certified Network Associate 2.0 )
http://forum.aaghaz.net

>>>Happy is the one who can smile<<<

                
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Received on Tue Aug 31 2004 - 12:52:38 MDT