HADOOP ISSUES – dncp_block_verification.log.prev too large

dncp_block_verification.log.prev too large

Seen this bug in hdp2.3.2

Using hadoop version : Hadoop 2.0.0-cdh4.7.0

can see on one datanode, dncp_block_verification.log.prev is too large.

Is it safe to delete this file?

-rw-r--r-- 1 hdfs hdfs 1166438426181 Oct 31 09:34 dncp_block_verification.log.prev
-rw-r--r-- 1 hdfs hdfs     138576163 Dec 15 22:16 dncp_block_verification.log.curr

This is similar to HDFS-6114 but that is for dncp_block_verification.log.curr file.

workaround:

Reference:

HDFS-7532

https://community.hortonworks.com/questions/40595/hdfs-datanode-one-volume-full.html

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