[Orca-users] Out of memory during request for 1016 bytes error

[Sean O'Neill]

At 03:55 PM 12/19/2002 -0500, Michael O'Dea wrote:

> > and now it doesnt seem to be writing anything useful. When the was the 
> default
> > of 4096 file descriptors the machine crawled to a halt and used 100% swap &
> > othber processes started crapping out.
> >
> > Also, the system shows about 75 bzip processes and 430 defunct 
> processes under orca!

Something to remember is if your Orca graphs are a good bit behind the RRD 
files and your RRD files are behind your text data files, you can expect 
some number of *zip program to be running uncompressing your data.  Just do 
the math:  off by 3 days let's say and 30 machines is a bunch of *zip 
processes all chewing up large amounts of your memory.  During this 
"uncompress" stage, Orca and easily grow to well over 100 Mbytes.  A 
smaller memory profile machines that could possibly explain your swap activity.

I have a U5 running Orca for about 40 machines.  When I have the 
unfortunately event of Orca going down and I can't get it for whatever 
reason for a day or two, it takes literally hours for Orca to catch back up 
with reality primarily because of the unzip processing required.  The 
memory on this system gets hits really hard during this time and that's 
with 512MB of memory.


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Sean O'Neill