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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