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HBASE-17760 HDFS Balancer doc is misleading (Harsh J)

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tedyu 2017-03-08 15:59:30 -08:00
parent 1b5afc3395
commit 2304e7eced
1 changed files with 6 additions and 6 deletions
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12
src/main/asciidoc/_chapters/troubleshooting.adoc
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@ -1365,13 +1365,13 @@ on the HBase balancer, since the HDFS balancer would degrade locality. This advi
is still valid if your HDFS version is lower than 2.7.1.
+
link:https://issues.apache.org/jira/browse/HDFS-6133[HDFS-6133] provides the ability
to exclude a given directory from the HDFS load balancer, by setting the
`dfs.datanode.block-pinning.enabled` property to `true` in your HDFS
configuration and running the following hdfs command:
to exclude favored-nodes (pinned) blocks from the HDFS load balancer, by setting the
`dfs.datanode.block-pinning.enabled` property to `true` in the HDFS service
configuration.
+
----
$ sudo -u hdfs hdfs balancer -exclude /hbase
----
HBase can be enabled to use the HDFS favored-nodes feature by switching the HBase balancer
class (conf: `hbase.master.loadbalancer.class`) to `org.apache.hadoop.hbase.favored.FavoredNodeLoadBalancer`
which is documented link:https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/favored/FavoredNodeLoadBalancer.html[here].
+
NOTE: HDFS-6133 is available in HDFS 2.7.0 and higher, but HBase does not support
running on HDFS 2.7.0, so you must be using HDFS 2.7.1 or higher to use this feature