From 9c9736463b2b30350c78fce4fa0d56c73280d0ff Mon Sep 17 00:00:00 2001 From: Anu Engineer Date: Tue, 27 Sep 2016 19:28:41 -0700 Subject: [PATCH] HDFS-10900. DiskBalancer: Complete the documents for the report command. Contributed by Yiqun Lin. --- .../hadoop-hdfs/src/site/markdown/HDFSCommands.md | 4 +++- .../hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md | 5 ++++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md index ec94afd525e..9f9fba5d2fb 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md +++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md @@ -445,6 +445,8 @@ Usage: [-query ] [-cancel ] [-cancel -node ] + [-report -node [,...]] + [-report -node -top ] | COMMAND\_OPTION | Description | |:---- |:---- | @@ -452,7 +454,7 @@ Usage: |-execute| Executes a given plan on a datanode| |-query| Gets the current diskbalancer status from a datanode| |-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. diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md index d4775c2dec9..dfb43b691b6 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md +++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md @@ -106,10 +106,13 @@ or Plan ID can be read from datanode using query command. ### 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 [,...]` +or + +`hdfs diskbalancer -fs http://namenode.uri -report -top topnum` Settings --------