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From "Zheng Wang (Jira)" <j...@apache.org>
Subject [jira] [Created] (HBASE-24486) Remove the unused method online in admin.rb
Date Mon, 01 Jun 2020 14:44:00 GMT
Zheng Wang created HBASE-24486:
----------------------------------

             Summary: 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


Skiming the todo list, and find 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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