[jira] [Created] (HBASE-22758) Remove the unneccesary info cf deletion in DeleteTableProcedure#deleteFromMeta

["Zheng Hu (JIRA)" <ji...@apache.org>]

Zheng Hu created HBASE-22758:
--------------------------------

             Summary: Remove the unneccesary info cf deletion in DeleteTableProcedure#deleteFromMeta
                 Key: HBASE-22758
                 URL: https://issues.apache.org/jira/browse/HBASE-22758
             Project: HBase
          Issue Type: Bug
            Reporter: Zheng Hu


I saw the deleteFromMeta() method in DeleteTableProcedure & TruncateTableProcedure:

{code}
protected static void deleteFromMeta(final MasterProcedureEnv env,
    final TableName tableName, List<RegionInfo> regions) throws IOException {
  MetaTableAccessor.deleteRegions(env.getMasterServices().getConnection(), regions);

  // Clean any remaining rows for this table.
  cleanAnyRemainingRows(env, tableName);

  // clean region references from the server manager
  env.getMasterServices().getServerManager().removeRegions(regions);

  // Clear Favored Nodes for this table
  FavoredNodesManager fnm = env.getMasterServices().getFavoredNodesManager();
  if (fnm != null) {
    fnm.deleteFavoredNodesForRegions(regions);
  }
}
{code}

1. deleteRegions : delete the info column family first;
2. cleanAnyRemainingRows : delete the whole row for regions then.

In fact, we can only change to delete the whole row, no need the extra info cf deletion any more.



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