hadoop-yarn-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "sandflee (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4050) NM event dispatcher may blocked by LogAggregationService if NameNode is slow
Date Thu, 13 Aug 2015 14:56:46 GMT
sandflee created YARN-4050:
------------------------------

             Summary: NM event dispatcher may blocked by LogAggregationService if NameNode
is slow
                 Key: YARN-4050
                 URL: https://issues.apache.org/jira/browse/YARN-4050
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: sandflee


env:  nm restart and log aggregation is enabled. 
NN is almost dead, when we restart NM, NM event dispatcher is blocked until NN returns to
normal.It seems. NM recovered app  and send APPLICATION_START event to log aggregation service,
it will check log dir permission in HDFS(BLOCKED) 



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message