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HDFS-10900. DiskBalancer: Complete the documents for the report command. Contributed by Yiqun Lin.

This commit is contained in:
Anu Engineer 2016-09-27 19:28:41 -07:00
parent d1443988f8
commit 9c9736463b
2 changed files with 7 additions and 2 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
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@ -445,6 +445,8 @@ Usage:
[-query <datanode>] [-query <datanode>]
[-cancel <planfile>] [-cancel <planfile>]
[-cancel <planID> -node <datanode>] [-cancel <planID> -node <datanode>]
[-report -node [<DataNodeID|IP|Hostname>,...]]
[-report -node -top <topnum>]
| COMMAND\_OPTION | Description | | COMMAND\_OPTION | Description |
|:---- |:---- | |:---- |:---- |
@ -452,7 +454,7 @@ Usage:
|-execute| Executes a given plan on a datanode| |-execute| Executes a given plan on a datanode|
|-query| Gets the current diskbalancer status from a datanode| |-query| Gets the current diskbalancer status from a datanode|
|-cancel| Cancels a running plan| |-cancel| Cancels a running plan|
|-report| Reports the volume information from datanode(s)|
Runs the diskbalancer CLI. See [HDFS Diskbalancer](./HDFSDiskbalancer.html) for more information on this command. Runs the diskbalancer CLI. See [HDFS Diskbalancer](./HDFSDiskbalancer.html) for more information on this command.

5
hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md
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@ -106,10 +106,13 @@ or
Plan ID can be read from datanode using query command. Plan ID can be read from datanode using query command.
### Report ### Report
Report command provides detailed report about node(s). Report command provides detailed report of specified node(s) or top nodes that will benefit from running disk balancer.
`hdfs diskbalancer -fs http://namenode.uri -report -node [<DataNodeID|IP|Hostname>,...]` `hdfs diskbalancer -fs http://namenode.uri -report -node [<DataNodeID|IP|Hostname>,...]`
or
`hdfs diskbalancer -fs http://namenode.uri -report -top topnum`
Settings Settings
-------- --------