Thanks for the feedback Jeremy.

I'll have a go at what you suggested.

We run a weekly report across 10 servers.  This has worked perfectly for
over a year and then for some reason it just blew up in the last few weeks
and won't run properly again.

I think we had a memory upgrade recently, maybe something to be concerned
about?

Cheers,

Mike.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Jeremy Wadsack
Sent: 09 September 2004 18:12
To: Support for analog web log analyzer
Subject: Re: [analog-help] analog bombing out halfway through analysis


Are you trying to run a cummulative report of all the logs on all the
boxes? Otherwise I can't see any way that it should continue to use more
memory. Analog releases all memory when it completes a report.

If the *LOWMEM 2 commands don't help, then you will probably need to use
the *LOWMEM 3 commands. Particularly on the items that have the most
unique values.

You should also look at that data and see if there are ways you can save
space by reducing what is counted. For example, if each of your users is
given a unique session id that is stored in the request string, then
this will make virtually every request a unique item and quickly fill up
the hashtable (and your memory). In such a case you can use ALIAS
commands to make similar items the same and help reduce what is counted.
This also hold for referrers, especially those from advertising sources.

If you have gotten to a point where the amount of data that you are
processing has vastly outgrown your available memory, then you really
need to step back and ask what information your are actually looking
for. Sometimes it seems like a good idea to be able to create cumulative
reports from the beginning of time, but in general, you can get by with
monthly reports and compare monthly activity in a side-by-side fashion.
This also helps highlight trends (periodic and seasonal) that you may
not be able to see in a cumulative report.


--
Jeremy Wadsack
Seven Simple Machines



Michael Simmons wrote:

>Hi Duke,
>
>I've tried changing these settings but still no joy.  Here are the settings
>I'm using:
>
>FILELOWMEM 2
>HOSTLOWMEM 2
>BROWLOWMEM 2
>REFLOWMEM 2
>USERLOWMEM 2
>VHOSTLOWMEM 2
>
>Thanks in advance for your help.
>
>Mike.
>
>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED] Behalf Of Duke Hillard
>Sent: 08 September 2004 19:24
>To: Support for analog web log analyzer
>Subject: Re: [analog-help] analog bombing out halfway through analysis
>
>
>Have you seen "Coping with low memory" at
>"http://www.analog.cx/docs/lowmem.html";?
>
>-- Duke
>
>
>Michael Simmons wrote:
>
>
>
>>Hi,
>>
>>I receive the following error message when running analog:
>>
>>Fatal Error: Ran out of memeory: cannot continue: exiting
>>
>>I am running analog on a box with over 2GB ram.  The logfiles range from
>>
>>
>3MB
>
>
>>to 50MB and there about 168 logfiles per box and 12 boxes.  It bombs out
on
>>the 3rd box - it gets to around the same sort of range and the memory
>>
>>
>starts
>
>
>>ramping up until it drops and then falls over.   I have tried taking the
>>logfiles out that it fails on, but it then just fails on the next logfile
>>
>>
>in
>
>
>>the list.
>>
>>I'd be very grateful for some ideas.
>>
>>Cheers,
>>
>>Mike.
>>
>>--------------------------
>>Michael Simmons
>>Support Engineer
>>On Demand Distribution PLC
>>
>>
>>
>>
>>
>
>
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