Grouper Users - Open Discussion List

[Chris Hyzer <>]

There was a report about the loader doing too many subject lookups, need to 
look into that one...

https://bugs.internet2.edu/jira/browse/GRP-1125

Thanks,
Chris

-----Original Message-----
From: 

 
[mailto:]
 On Behalf Of Andrew Morgan
Sent: Thursday, March 12, 2015 1:47 PM
To: Jeff McCullough
Cc: 

Subject: Re: [grouper-users] loader performance with 2.2.1

On Wed, 11 Mar 2015, Jeff McCullough wrote:

> I have a question about performance of the loader in version 2.2.1. 
> Since we have upgraded to 2.2.1, we’ve noticed that the CPU load spikes 
> during the time the loader is checking the reference groups we have 
> setup to capture groups based upon LDAP attributes. This wasn’t the case 
> in 2.1.x and earlier versions. Is this expected behavior? I’m staggering 
> the load times for the individual groups now, but that wasn’t necessary 
> previously. Maybe the threading improvements in the loader are allowing 
> it to do more work more quickly, thus spiking the CPU. Thoughts?
>
> Thanks,
> Jefff

That's what we saw too when we used the new threaded loader.  You can tune 
the threading in grouper-loader.properties if you find it too aggressive. 
Threading made a big improvement in our loader run times!

        Andy