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commit f40da42ea732cb18e3c50c539dece7168330d6f4
Author: Brahma Reddy Battula <bra...@apache.org>
AuthorDate: Fri Jan 25 11:28:48 2019 +0530
HDFS-14223. RBF: Add configuration documents for using multiple
sub-clusters. Contributed by Takanobu Asanuma.
---
.../hadoop-hdfs-rbf/src/main/resources/hdfs-rbf-default.xml | 3 ++-
.../hadoop-hdfs-rbf/src/site/markdown/HDFSRouterFederation.md | 2 +-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git
a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/resources/hdfs-rbf-default.xml
b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/resources/hdfs-rbf-default.xml
index 20ae778..afe3ad1 100644
---
a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/resources/hdfs-rbf-default.xml
+++
b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/resources/hdfs-rbf-default.xml
@@ -275,7 +275,8 @@
<name>dfs.federation.router.file.resolver.client.class</name>
<value>org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver</value>
<description>
- Class to resolve files to subclusters.
+ Class to resolve files to subclusters. To enable multiple subclusters
for a mount point,
+ set to
org.apache.hadoop.hdfs.server.federation.resolver.MultipleDestinationMountTableResolver.
</description>
</property>
diff --git
a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/site/markdown/HDFSRouterFederation.md
b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/site/markdown/HDFSRouterFederation.md
index bcf8fa9..2ae0c2b 100644
---
a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/site/markdown/HDFSRouterFederation.md
+++
b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/site/markdown/HDFSRouterFederation.md
@@ -404,7 +404,7 @@ Forwarding client requests to the right subcluster.
| Property | Default | Description|
|:---- |:---- |:---- |
-| dfs.federation.router.file.resolver.client.class |
`org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver` | Class
to resolve files to subclusters. |
+| dfs.federation.router.file.resolver.client.class |
`org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver` | Class
to resolve files to subclusters. To enable multiple subclusters for a mount
point, set to
org.apache.hadoop.hdfs.server.federation.resolver.MultipleDestinationMountTableResolver.
|
| dfs.federation.router.namenode.resolver.client.class |
`org.apache.hadoop.hdfs.server.federation.resolver.MembershipNamenodeResolver`
| Class to resolve the namenode for a subcluster. |
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