Caching localized counter names in mapred.Counters --------------------------------------------------
Key: MAPREDUCE-1156 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1156 Project: Hadoop Map/Reduce Issue Type: Improvement Reporter: Hong Tang Using YourKit profiling mumak, we found that MissingResourceException was thrown and caught 1.6 million times in Counters.Group.localize for several hundred of jobs. The resource bundle look up and costly exception processing can be easily avoided if we have a global cache of localized counter names. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.