Shashikant Banerjee created HDFS-12948:
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Summary: DiskBalancer report command top option should only take
positive numeric values
Key: HDFS-12948
URL: https://issues.apache.org/jira/browse/HDFS-12948
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Shashikant Banerjee
Assignee: Shashikant Banerjee
Currently , diskBalancer report command "top" option takes values like "AAA" as
well negative/decimal values and gives outPut. These invalid values should not
be processed and some error/warning should be given.
For Example,
$ hdfs diskbalancer -report -top -100
17/12/19 15:07:01 INFO command.Command: Processing report command
17/12/19 15:07:02 INFO balancer.KeyManager: Block token params received from
NN: update interval=10hrs, 0sec, token lifetime=10hrs, 0sec
17/12/19 15:07:02 INFO block.BlockTokenSecretManager: Setting block keys
17/12/19 15:07:02 INFO balancer.KeyManager: Update block keys every 2hrs,
30mins, 0sec
17/12/19 15:07:02 INFO command.Command: Reporting top -100 DataNode(s)
benefiting from running DiskBalancer.
Processing report command
Reporting top -100 DataNode(s) benefiting from running DiskBalancer.
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