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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-198) org.apache.hadoop.dfs.LeaseExpiredException during dfs write
Date Mon, 27 Sep 2010 17:25:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12915374#action_12915374

Hairong Kuang commented on HDFS-198:

 org.apache.hadoop.dfs.LeaseExpiredException occurred in 0.18 might have been caused by this
bug:  https://issues.apache.org/jira/browse/HADOOP-6498. The lease renewal thread might hang
on lease renew RPC.

Eli's description did not convince me. By default, a hard lease limit is 1 hour. 10 minutes
delay to renew lease won't cause a lease to expire.

> org.apache.hadoop.dfs.LeaseExpiredException during dfs write
> ------------------------------------------------------------
>                 Key: HDFS-198
>                 URL: https://issues.apache.org/jira/browse/HDFS-198
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client, name-node
>            Reporter: Runping Qi
> Many long running cpu intensive map tasks failed due to org.apache.hadoop.dfs.LeaseExpiredException.
> See [a comment below|https://issues.apache.org/jira/browse/HDFS-198?focusedCommentId=12910298&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12910298]
for the exceptions from the log:

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