Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/1250#discussion_r57173711
--- Diff: storm-core/src/clj/org/apache/storm/daemon/executor.clj ---
@@ -75,7 +76,7 @@
"Returns a function that returns a vector of which task indices to send
tuple to, or just a single task index."
[^WorkerTopologyContext context component-id stream-id ^Fields
out-fields thrift-grouping ^List target-tasks topo-conf]
(let [num-tasks (count target-tasks)
- random (Random.)
+ random (XORShiftRandom.)
--- End diff --
Again here the grouping could be called from multiple threads, but in this
case doubling up on some numbers should not be a big deal.
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