Github user zhuoliu commented on a diff in the pull request:
https://github.com/apache/storm/pull/790#discussion_r42284878
--- Diff: conf/defaults.yaml ---
@@ -140,7 +140,8 @@ supervisor.memory.capacity.mb: 3072.0
supervisor.cpu.capacity: 400.0
### worker.* configs are for task workers
-worker.childopts: "-Xmx768m"
+worker.heap.memory.mb: 768
+worker.childopts: "-Xmx%HEAP-MEM%m"
--- End diff --
@revans2 and I think it would be better practice if we put the HEAP-MEM in
the substitute-childopts function together with WORKER-ID, TOPOLOGY-ID,
WORKER-PORT.
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