[GitHub] [hbase] busbey commented on a change in pull request #1206: HBASE-23890 Update the rsgroup section in our ref guide

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busbey commented on a change in pull request #1206: HBASE-23890 Update the rsgroup section in our ref guide
URL: https://github.com/apache/hbase/pull/1206#discussion_r383906368
 
 

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 File path: src/main/asciidoc/_chapters/ops_mgt.adoc
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 @@ -3479,6 +3478,27 @@ To enable ACL, add the following to your hbase-site.xml and restart your Master:
 <property>
 ----
 
+=== Migrating From Old Implementation
+The coprocessor `org.apache.hadoop.hbase.rsgroup.RSGroupAdminEndpoint` is
+deprected, but for compatible, if you want the pre 3.0.0 hbase client/shell
+to communicate with the new hbase cluster, you still need to add this
+coprocessor to master. And if this coprocessor is specified, the
+`hbase.balancer.rsgroup.enabled` flag will be set to true automatically to
 
 Review comment:
   if they're relying on this side effect of configuring the coprocessor, do they also have to be sure to set the custom balancer (as in the old implementation) or does the flag flipping to true take care of that?

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