Hanisha Koneru created HDFS-13239:
-------------------------------------
Summary: Fix non-empty dir warning message when setting default EC
policy
Key: HDFS-13239
URL: https://issues.apache.org/jira/browse/HDFS-13239
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Hanisha Koneru
When EC policy is set on a non-empty directory, the following warning message
is given:
{code}
$hdfs ec -setPolicy -policy RS-6-3-1024k -path /ec1
Warning: setting erasure coding policy on a non-empty directory will not
automatically convert existing files to RS-6-3-1024k
{code}
When we do not specify the -policy parameter when setting EC policy on a
directory, it takes the default EC policy. Setting default EC policy in this
way on a non-empty directory gives the following warning message:
{code}
$hdfs ec -setPolicy -path /ec2
Warning: setting erasure coding policy on a non-empty directory will not
automatically convert existing files to null
{code}
Notice that the warning message in the 2nd case has the ecPolicy name shown as
null. We should instead give the default EC policy name in this message.
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