apache/storm — pull request #343 by fmazoyer (2014-12-09 10:20:37+00:00)
Title: Performance improvement: Fix for https://issues.apache.org/jira/browse/STORM-585

Hello, this fix helped us gain a sizable amount of performances in none:grouping.
Details are in JIRA https://issues.apache.org/jira/browse/STORM-585
Thanks a lot for your help :-)