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Posted to oak-issues@jackrabbit.apache.org by "Stefan Egli (JIRA)" <ji...@apache.org> on 2014/01/21 12:12:21 UTC
[jira] [Created] (OAK-1343) Performance issue with
login()/getGroupMembership() with many users
Stefan Egli created OAK-1343:
--------------------------------
Summary: Performance issue with login()/getGroupMembership() with many users
Key: OAK-1343
URL: https://issues.apache.org/jira/browse/OAK-1343
Project: Jackrabbit Oak
Issue Type: Bug
Components: core
Affects Versions: 0.14
Reporter: Stefan Egli
(Tested with oak-snapshot as of ca 11:59AM, Jan 20, 2014 CET)
When doing performance tests against oak I run into a major slowdown with each request showing the following WARNs:
{code}
21.01.2014 11:42:51.625 *WARN* [FelixStartLevel] org.apache.jackrabbit.oak.plugins.index.property.strategy.ContentMirrorStoreStrategy Traversed 1000 nodes using index :weakreferen
ces(294de355-7d9d-30b3-92d8-a1e6aab028cf) with filter Filter(, path=/*)
...
21.01.2014 11:42:55.345 *WARN* [FelixStartLevel] org.apache.jackrabbit.oak.plugins.index.property.strategy.ContentMirrorStoreStrategy Traversed 8000 nodes using index :weakreferen
ces(294de355-7d9d-30b3-92d8-a1e6aab028cf) with filter Filter(, path=/*)
{code}
I traced this down to the following call:
PrincipalProviderImpl.getGroupMembership
In my performance test I create 1000 test users and it looks like the above call is currently very inefficient with that many users. This call happens during login(), so on each request you get the WARNs above, and subsequently each request is really slow.
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