HDFS-13235. DiskBalancer: Update Documentation to add newly added options. Contributed by Bharat Viswanadham.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/39537b7c Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/39537b7c Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/39537b7c Branch: refs/heads/HDFS-7240 Commit: 39537b7c84dddfa8084308459565ab77fd24abd3 Parents: 9d6994d Author: Arpit Agarwal <a...@apache.org> Authored: Tue Mar 13 16:35:51 2018 -0700 Committer: Arpit Agarwal <a...@apache.org> Committed: Tue Mar 13 16:35:51 2018 -0700 ---------------------------------------------------------------------- .../hadoop-hdfs/src/main/resources/hdfs-default.xml | 6 +++--- .../hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md | 6 +++++- 2 files changed, 8 insertions(+), 4 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/39537b7c/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml index 2d3c5e7..f90daba 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml @@ -4651,9 +4651,9 @@ <name>dfs.disk.balancer.plan.valid.interval</name> <value>1d</value> <description> - Maximum number of hours the disk balancer plan is valid. - This setting supports multiple time unit suffixes as described - in dfs.heartbeat.interval. If no suffix is specified then milliseconds + Maximum amount of time disk balancer plan is valid. This setting + supports multiple time unit suffixes as described in + dfs.heartbeat.interval. If no suffix is specified then milliseconds is assumed. </description> </property> http://git-wip-us.apache.org/repos/asf/hadoop/blob/39537b7c/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md ---------------------------------------------------------------------- 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 6e1bd41..ed0233a 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md +++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSDiskbalancer.md @@ -79,6 +79,10 @@ Execute command takes a plan command executes it against the datanode that plan This executes the plan by reading datanodeâs address from the plan file. +| COMMAND\_OPTION | Description | +|:---- |:---- | +| `-skipDateCheck` | Skip date check and force execute the plan.| + ### Query Query command gets the current status of the diskbalancer from a datanode. @@ -122,7 +126,7 @@ There is a set of diskbalancer settings that can be controlled via hdfs-site.xml |`dfs.disk.balancer.max.disk.errors`| sets the value of maximum number of errors we can ignore for a specific move between two disks before it is abandoned. For example, if a plan has 3 pair of disks to copy between , and the first disk set encounters more than 5 errors, then we abandon the first copy and start the second copy in the plan. The default value of max errors is set to 5.| |`dfs.disk.balancer.block.tolerance.percent`| The tolerance percent specifies when we have reached a good enough value for any copy step. For example, if you specify 10% then getting close to 10% of the target value is good enough.| |`dfs.disk.balancer.plan.threshold.percent`| The percentage threshold value for volume Data Density in a plan. If the absolute value of volume Data Density which is out of threshold value in a node, it means that the volumes corresponding to the disks should do the balancing in the plan. The default value is 10.| - +|`dfs.disk.balancer.plan.valid.interval`| Maximum amount of time disk balancer plan is valid. Supports the following suffixes (case insensitive): ms(millis), s(sec), m(min), h(hour), d(day) to specify the time (such as 2s, 2m, 1h, etc.). If no suffix is specified then milliseconds is assumed. Default value is 1d| Debugging --------- --------------------------------------------------------------------- To unsubscribe, e-mail: common-commits-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-commits-h...@hadoop.apache.org
