On Thu, 2007-02-01 at 18:44 +0000, Matthew Toseland wrote:
> On Tue, Jan 30, 2007 at 09:39:05PM +0000, Bob Ham wrote:

> > It's clear to see that the configured limits are wholly ignored, and by
> > significant percentages.  This is a major problem. 
> 
> On the contrary this is utterly irrelevant.

Not when my named gets killed.

> It is Sun's problem, not our
> problem

Yes, but the limits are still being wholly ignored.  Which JVM would you
suggest running fred with that will respect configured memory limits?

> What was the limit set to?

196 MB

> What was the usage reported in the log file
> (Memory in use: <blah> - only enabled with minor logging)?

Which log file; wrapper log or fred log?  The statistics for the "java
memory allocated" and "java memory used" come straight off of the
statistics page of the web interface.

> What was the
> reported RSS?

What you see plotted.

> How much memory do you actually have (and swap)?

512 MB physical, 478 MB swap

> > Even disregarding the
> > database, fred's memory footprint is massive. 
> 
> Negative. I was running it with a maximum memory setting of 100MB, and
> 54MB+ of that was used by the database. If the database had respected
> the configured setting of 20MB, that would be a grand total of 64MB.
> Which IMHO is very reasonable.

Here is a plot with a maximum setting of 64MB, taken a couple of weeks
ago:

  http://teasel.6gnip.net/~rah/freenet-threads-2007-02-02-01:17:33.png

I've put it up here as well in case you have problems:

  http://pkl.net/~node/freenet-threads-2007-02-02-01:17:33.png

As you can see, there are quite a few "wrapper rstrt" labels; meaning
the wrapper has restarted the node.  The reason in these instances
appear to be "OOM" messages.  I'll set my memory limit to 100MB and see
what kind of stability results.

Bob

-- 
Bob Ham <rah at bash.sh>
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