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Re: [grouper-users] upgrading from 1.4.2 to 1.6.1

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  • From: Peter DiCamillo <>
  • To: Chris Hyzer <>
  • Cc: Tom Zeller <>, "" <>
  • Subject: Re: [grouper-users] upgrading from 1.4.2 to 1.6.1
  • Date: Fri, 27 Aug 2010 16:31:07 -0400

Thanks for the memory suggestion. I was already using "-Xmx2048M -Xms2048M".

We have 537K groups and 1.35 million direct memberships in those groups. Since I'm not familiar with the database schema, I ran a small program to get the counts. It traversed the group tree, and counted memberships using the size of group.getImmediateMemberships. Just running that took 70 minutes.


Chris Hyzer wrote:
Did you add more memory to gsh? Might be worth a shot...


-----Original Message-----

On Behalf Of Tom Zeller
Sent: Friday, August 27, 2010 10:27 AM
To: Peter DiCamillo

Subject: Re: [grouper-users] upgrading from 1.4.2 to 1.6.1

A related problem I encountered is that I'm unable to dump the entire
registry. (That's why I was testing with -name.) We have a very large
number of groups, and I did a rough calculation that it would take 32 hours
to dump them all.

Roughly how many groups ? memberships ?

At the time of our 1.3 upgrade, Memphis had ~32k groups and ~1.24
million rows in grouper_memberships; exporting usually took less than
half an hour.

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