Owen O'Malley created MAPREDUCE-4505:
----------------------------------------
Summary: Create a combiner bypass path for keys with a single value
Key: MAPREDUCE-4505
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4505
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: performance, task
Reporter: Owen O'Malley
It would help optimize a lot of cases where there aren't a lot of replicated
keys if the framework would bypass the deserialize/combiner/serialize step for
keys that only have a single value.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
