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RE: [grouper-users] loader performance with 2.2.1

Chronological Thread 
  • From: Chris Hyzer <>
  • To: Andrew Morgan <>, Jeff McCullough <>
  • Cc: "" <>
  • Subject: RE: [grouper-users] loader performance with 2.2.1
  • Date: Fri, 13 Mar 2015 00:27:35 +0000
  • Accept-language: en-US

I fixed a bug that might help you finish the task.  Please install the latest API patch and see if it works.



GRP-1126 - Grouper import xml fails on attribute owner stem id








-----Original Message-----
From: [mailto:] On Behalf Of Andrew Morgan
Sent: Thursday, March 12, 2015 1:47 PM
To: Jeff McCullough
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 if you find it too aggressive.

Threading made a big improvement in our loader run times!



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