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[grouper-users] Grouper 1.3 vs 1.6.1 performance issue

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  • From: Peter DiCamillo <>
  • To: "" <>
  • Subject: [grouper-users] Grouper 1.3 vs 1.6.1 performance issue
  • Date: Tue, 28 Sep 2010 23:56:45 -0400

I'm working on putting Grouper 1.6.1 into production as an upgrade from 1.3. Things were going fine until I started to load a lot of data into the database, and now I'm seeing a performance problem. With our full database in Grouper 1.3, we can add or delete a few people per second from a typical group. With Grouper 1.6.1, the same operations on the same groups have a rate of about 3 seconds per person, which is about an order of magnitude slower. With 1.6.1, performance has gotten worse as more groups are loaded, and I'm getting that performance with less than half the database loaded. We're using an Oracle database, and LDAP as our person source.

Since performance was fine when I first started to load the database, I suspect that the problem is related in some way to the database. Any obvious things I should check in a new Grouper installation that might affect performance? Any suggestions on how to start tracking down the source of the delays? Thanks for your help.


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