Allow more aggressive action on detection of the jetty issue
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Key: MAPREDUCE-3851
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3851
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: tasktracker
Affects Versions: 1.0.0
Reporter: Kihwal Lee
Fix For: 1.1.0, 1.0.1
MAPREDUCE-2529 added the useful failure detection mechanism. In this jira, I
propose we add a periodic check inside TT and configurable action to
self-destruct. Blacklisting helps but is not enough. Hung jetty still accepts
connection and it takes very long time for clients to fail out. Short jobs are
delayed for hours because of this. This feature will be a nice companion to
MAPREDUCE-3184.
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