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From "Igor Bolotin (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5523) Datanode stops cleaning disk space
Date Wed, 18 Mar 2009 05:08:50 GMT
Datanode stops cleaning disk space
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                 Key: HADOOP-5523
                 URL: https://issues.apache.org/jira/browse/HADOOP-5523
             Project: Hadoop Core
          Issue Type: Bug
          Components: dfs
    Affects Versions: 0.19.0
         Environment: Linux
            Reporter: Igor Bolotin
            Priority: Critical


Here is the situation - DFS cluster running Hadoop version 0.19.0. The cluster is running
on multiple servers with practically identical hardware. 
Everything works perfectly well, except for one thing - from time to time one of the data
nodes (every time it's a different node) starts to consume more and more disk space. The node
keeps going and if we don't do anything - it runs out of space completely (ignoring 20GB reserved
space settings). 
Once restarted - it cleans disk rapidly and goes back to approximately the same utilization
as the rest of data nodes in the cluster.


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