Can you pastebin data node log snippet and jstack of datanode process ? Thanks
On Tue, Jun 3, 2014 at 9:34 AM, Shayan Pooya <[email protected]> wrote: > I have a three node HDFS cluster with a name-node. There is absolutely no > IO going on this cluster or any jobs running on it and I just use it for > testing the Disco HDFS integration. > I noticed that two of the three data-nodes are using 100% CPU. They have > been running for a long time (2 months) but with no jobs running on them > and almost no usage: > > $ hadoop version > Hadoop 2.3.0 > Subversion http://svn.apache.org/repos/asf/hadoop/common -r 1567123 > Compiled by jenkins on 2014-02-11T13:40Z > Compiled with protoc 2.5.0 > From source with checksum dfe46336fbc6a044bc124392ec06b85 > > Is this a known bug? >
