Re: Processing Past Log Files

OK, my apologies. Can you assist me with the issue?



----- Original Message ----
From: Aengus <[email protected]>
To: Support for analog web log analyzer <[email protected]>
Sent: Tuesday, July 29, 2008 7:27:14 AM
Subject: Re: [analog-help] Processing Past Log Files

As I was about to send this reply, I noticed that you had addressed your 
e-mail directly to my address, and that of some other contributors. I 
consider that to be an abuse of the voluntary support process that the 
analog-help mailing list facilitates. Nobody is entitled to any response 
or support from any subscriber to this list, and if someone has not 
responded because they are too busy, or are away, or because they have 
decided to unsubscribe from the list, that's their business, and sending 
direct e-mail to individual responders on this list as well as to the 
list is essentially spam.


On 7/28/2008 11:36 PM, Kush wrote:
>
> I have log files that have not been processed being that they're too
> large...4GB per day. Is there a standard operation procedure to
> processing past log files stored on the server?

Analogs "Cache" mode essentially summarises the information in a log 
file, so that you can generate reports from these summaries. This allows 
  you to generate reports from sets of log files that would require 
vastly more memory than Analog would be able to handle.

It's important to understand that the caching mode works by discarding a 
great deal of "linking" information, so that you while you can tell that 
X Hosts visted your sites, and that there were Y requests for a 
particular page on your site, you can't can't use a cache file to tell 
how many hosts requested just that particular page - you'd have to go 
back to the original log files to find that out.

The other important thing to bear in mind about cache files is that they 
can only generate reliable reports for the data that they were designed 
to capture. That means that you must generate your report design (the 
.cfg files that control which reports are turned on, what the FLOORs and 
SUBFLOORs are, what is INCLUDEd and EXCLUDEd, etc) before generating 
your cache files. If you subsequently decide that you need to change the 
  .cfg files, you may need to recreate the cache files for all the logs.

Analog Cache files can help you generate reports from very large log 
files, but they can be complex, and you can make mistakes if you're not 
careful.
http://analog.cx/docs/cache.html

Aengus
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