Task tracker died due to OOM
-----------------------------
Key: HADOOP-3762
URL: https://issues.apache.org/jira/browse/HADOOP-3762
Project: Hadoop Core
Issue Type: Bug
Reporter: Runping Qi
Priority: Blocker
When running about 100 moderate jobs on a small cluster (with 19 Task Trackers),
the task trackers all died due to OOM.
I got a chance to dump the jstack strace of a task tracker before it died.
Its image size was close 4GB!
I saw 1200+ threads of DFSClient.LeaseChecker.
Clearly we have a severe resource leakage problem!
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
