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From Jack Levin <magn...@gmail.com>
Subject Question about dead datanode
Date Thu, 13 Feb 2014 18:38:35 GMT
 Good morning --
I had a question, we have had a datanode go down, and its been down for few
days, however hbase is trying to talk to that dead datanode still
 2014-02-13 08:57:23,073 WARN org.apache.hadoop.hdfs.DFSClient: Failed to
connect to / for file
/hbase/img39/6388c3574c32c409e8387d3c4d10fcdb/att/2690638688138250544 for
block 805865

so, question is, how come RS trying to talk to dead datanode, its on in
HDFS list even.

Isn't the RS is just HDFS client?  And it should not talk to offlined HDFS
datanode that went down?  This caused a lot of issues in our cluster.


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