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https://issues.apache.org/jira/browse/HBASE-24486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17124617#comment-17124617
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Zheng Wang commented on HBASE-24486:
------------------------------------
Thanks.
> Remove the unused method online in admin.rb
> -------------------------------------------
>
> Key: HBASE-24486
> URL: https://issues.apache.org/jira/browse/HBASE-24486
> Project: HBase
> Issue Type: Improvement
> Reporter: Zheng Wang
> Assignee: Zheng Wang
> Priority: Minor
> Fix For: 3.0.0-alpha-1
>
>
> Skiming the todo list, seems this method not used any more.
>
> {code:java}
> # Enables/disables a region by name
> def online(region_name, on_off)
> # Open meta table
> meta =
> @connection.getTable(org.apache.hadoop.hbase.TableName::META_TABLE_NAME)
> # Read region info
> # FIXME: fail gracefully if can't find the region
> region_bytes = region_name.to_java_bytes
> g = org.apache.hadoop.hbase.client.Get.new(region_bytes)
> g.addColumn(org.apache.hadoop.hbase.HConstants::CATALOG_FAMILY,
> org.apache.hadoop.hbase.HConstants::REGIONINFO_QUALIFIER)
> hri_bytes = meta.get(g).value
> # Change region status
> hri = org.apache.hadoop.hbase.util.Writables.getWritable(hri_bytes,
> org.apache.hadoop.hbase.HRegionInfo.new)
> hri.setOffline(on_off)
> # Write it back
> put = org.apache.hadoop.hbase.client.Put.new(region_bytes)
> put.addColumn(org.apache.hadoop.hbase.HConstants::CATALOG_FAMILY,
> org.apache.hadoop.hbase.HConstants::REGIONINFO_QUALIFIER,
> org.apache.hadoop.hbase.util.Writables.getBytes(hri))
> meta.put(put)
> end
> {code}
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