Xing Shi created HBASE-6244:
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             Summary: Restful get and scan don't need to add column
                 Key: HBASE-6244
                 URL: https://issues.apache.org/jira/browse/HBASE-6244
             Project: HBase
          Issue Type: Improvement
          Components: rest
            Reporter: Xing Shi
            Priority: Minor


Now, the RowResultGenerator and the ScanerResultGenerator will fit the column 
family if the request doesn't contain any column info. 
{code}
      if (rowspec.hasColumns()) {
        //addColumn for get or scan
      } else {
        for (HColumnDescriptor family: 
            table.getTableDescriptor().getFamilies()) {
          scan/get.addFamily(family.getName());
        }
      }
{code}

The table.getTableDescriptor() will cost 10+ milliseconds in our hbase cluster 
each request. We can remove these code because the server will auto add the 
columns.


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