[Dspace-tech] Log file size and management

2012-04-19 Thread Alan Orth
All,

I'm curious about how people are managing their log files.  In 
particular, I've noticed that dspace.log.* and cocoon.log.* are around 
200MB apiece, per day.  We zip them at night, but even so, they're 
taking a ridiculous amount of storage space on our VPS.  What are people 
doing with these logs?  Offline archival?

Also, while dspace.log.* are potentially useful if you have to go back 
and rerun legacy statistics, I'm not sure what cocoon logs are useful 
for...?

Adios,

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Re: [Dspace-tech] Log file size and management

2012-04-19 Thread helix84
Hi Alan,

take a look at logrotate. It's a standard unix tool to manage your
logs, including splitting logs by day (DSpace does this itself),
keeping the last N days around and compressing and/or moving the rest
elsewhere. It's very configurable.

Regards,
~~helix84

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Re: [Dspace-tech] Log file size and management

2012-04-19 Thread helix84
Also, if some logs are too detailed for you which makes them grow too
large, you can raise loglevel, e.g. from INFO to WARN. Although I
personally wouldn't do it.

https://wiki.duraspace.org/display/DSPACE/Troubleshoot+an+error#Troubleshootanerror-TurningonDebugging(optional)

Regards,
~~helix84

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Re: [Dspace-tech] Log file size and management

2012-04-19 Thread Alan Orth
Hey, helix.

I zip my logs nightly with something like this:

find /home/dspace/log/ ! -iname *.gz -iname dspace.log.* -o ! -iname 
*.gz -iname cocoon.log.* -daystart -mtime +1 -exec ionice -c2 -n7 
gzip {} \;

I'm more wondering what people use these logs for, and how/if they 
archive them (especially the cocoon logs).

Alan

On 04/19/2012 10:59 AM, helix84 wrote:
 Hi Alan,

 take a look at logrotate. It's a standard unix tool to manage your
 logs, including splitting logs by day (DSpace does this itself),
 keeping the last N days around and compressing and/or moving the rest
 elsewhere. It's very configurable.

 Regards,
 ~~helix84

-- 
Alan Orth
alan.o...@gmail.com
http://alaninkenya.org
http://mjanja.co.ke
I have always wished for my computer to be as easy to use as my telephone; my 
wish has come true because I can no longer figure out how to use my telephone. 
-Bjarne Stroustrup, inventor of C++


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Re: [Dspace-tech] Log file size and management

2012-04-19 Thread Alexandre Magaz Graça
Al 19/04/12 09:53, En/na Alan Orth ha escrit:
 All,

 I'm curious about how people are managing their log files.  In
 particular, I've noticed that dspace.log.* and cocoon.log.* are around
 200MB apiece, per day.  We zip them at night, but even so, they're
 taking a ridiculous amount of storage space on our VPS.  What are people
 doing with these logs?  Offline archival?

 Also, while dspace.log.* are potentially useful if you have to go back
 and rerun legacy statistics, I'm not sure what cocoon logs are useful
 for...?

 Adios,


Hi Alan,

In our case we set limits in log4j.properties for all log files 
(*.MaxLogs) and raised the log level for Cocoon, which was generating 
huge log files. We also archive the older dspace.log files.

By the way, could someone clarify exactly which files are used for 
statistics and how? I mean, for example, after running daily stat-* 
commands, the logs which have been processed are needed again? And what 
about .dat files?

Cheers,
Àlex

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Re: [Dspace-tech] Log file size and management

2012-04-19 Thread revskill
As i know , the log files are not needed if you've generated your stat
reports, you just keep that generated ones into archival, the log files are
just the source for the task, not the outcomes.

2012/4/19 Alexandre Magaz Graça alexandre.ma...@udl.cat

 Al 19/04/12 09:53, En/na Alan Orth ha escrit:
  All,
 
  I'm curious about how people are managing their log files.  In
  particular, I've noticed that dspace.log.* and cocoon.log.* are around
  200MB apiece, per day.  We zip them at night, but even so, they're
  taking a ridiculous amount of storage space on our VPS.  What are people
  doing with these logs?  Offline archival?
 
  Also, while dspace.log.* are potentially useful if you have to go back
  and rerun legacy statistics, I'm not sure what cocoon logs are useful
  for...?
 
  Adios,
 

 Hi Alan,

 In our case we set limits in log4j.properties for all log files
 (*.MaxLogs) and raised the log level for Cocoon, which was generating
 huge log files. We also archive the older dspace.log files.

 By the way, could someone clarify exactly which files are used for
 statistics and how? I mean, for example, after running daily stat-*
 commands, the logs which have been processed are needed again? And what
 about .dat files?

 Cheers,
 Àlex


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