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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3764) Improve RandomWalk scripts
Date Thu, 30 Apr 2015 21:02:06 GMT
Josh Elser created ACCUMULO-3764:
------------------------------------

             Summary: Improve RandomWalk scripts
                 Key: ACCUMULO-3764
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3764
             Project: Accumulo
          Issue Type: Bug
          Components: test
            Reporter: Josh Elser
            Priority: Trivial
             Fix For: 1.8.0


{code}
"$HADOOP_PREFIX/bin/hadoop" fs -rmr randomwalk 2>/dev/null
{code}

RandomWalk should not try to write to the root of HDFS. This is likely to be disallowed by
HDFS permissions.

{code}
"$HADOOP_PREFIX/bin/hadoop" fs -setrep 3 randomwalk/config.tgz
{code}

It would be nice to use some context to avoid setrep'ing to a value higher than the allowed
max or the number of datanodes (e.g. don't need to setrep at all if we only have one datanode).
{{hdfs dfsadmin -report}} might have some info that could be scraped?



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