IdP Heap Management

jacob at collegenet.com jacob at collegenet.com
Thu Sep 8 21:58:38 EDT 2016


> the G1 GC you suggested was more effective at handling the metadata requirements

The Elasticsearch folks state (https://www.elastic.co/blog/a-heap-of-trouble) G1 GC has had "scary" bugs in recent builds.  Probably, the IdP is not complex enough to trigger most GC bugs, but I would personally hold off until there is more confidence about G1 GC.  There's a reason it isn't the default yet even though it outperforms the older GCs.  64-bit servers with enough memory to easily run practically any configuration of the reference IdP software are so incredibly cheap now...

-Jacob

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Jacob Lundberg
AVP, IT Architecture
CollegeNET, Inc.
503.290.0100 (voice)
503.973.5252 (fax)


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