[jira] [Created] (HBASE-25368) Filter out more invalid encoded name in isEncodedRegionName(byte[] regionName)

["Huaxiang Sun (Jira)" <ji...@apache.org>]

Huaxiang Sun created HBASE-25368:
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             Summary: Filter out more invalid encoded name in isEncodedRegionName(byte[] regionName) 
                 Key: HBASE-25368
                 URL: https://issues.apache.org/jira/browse/HBASE-25368
             Project: HBase
          Issue Type: Improvement
          Components: Client
            Reporter: Huaxiang Sun


{code:java}
public static boolean isEncodedRegionName(byte[] regionName) {
  // If not parseable as region name, presume encoded. TODO: add stringency; e.g. if hex.
  return parseRegionNameOrReturnNull(regionName) == null && regionName.length <= MD5_HEX_LENGTH;
}

Right now, if it passes in an table name, it still thinks  it is a encoded region name and will result in unnecessary registry query for meta regions. This can be avoided if table names can be filtered out early in this method.{code}



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