Issue Type: Bug Bug
Affects Versions: current
Assignee: Unassigned
Components: core
Created: 17/Jun/13 3:36 PM
Description:

After attempts to update from older version (1.489) to 1.515 and 1.518 (current latest) main page takes a long time to load (3-5 min), jenkins java process takes more then 100% cpu.

Thread analysis shows that request handlers threads gets blocked in this method:
jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:668)
(thread_dump_1.txt, "RequestHandlerThread37")

I also spotted situation two request handlers threads blocking each other.
(thread_dump_2.txt, threads.png: RequestHandlerThread29, RequestHandlerThread37)

This issue is similar to
https://issues.jenkins-ci.org/browse/JENKINS-10829 but i don't get any error messages.

I also checked
https://issues.jenkins-ci.org/browse/JENKINS-14362
and
https://issues.jenkins-ci.org/browse/JENKINS-17349
and applied suggested fix, but nothing changed.

Environment: Cenots 5.5, kernel 2.6.18-194.3.1.el5, Java(TM) SE Runtime Environment (build 1.6.0_10-b33)

Project: Jenkins
Priority: Major Major
Reporter: Iurii Radomskyi
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