Github user d2r commented on a diff in the pull request:
https://github.com/apache/incubator-storm/pull/164#discussion_r15085420
--- Diff: storm-core/src/jvm/backtype/storm/Config.java ---
@@ -469,7 +469,8 @@
/**
* The jvm opts provided to workers launched by this supervisor. All
"%ID%" substrings are replaced
- * with an identifier for this worker.
+ * with an identifier for this worker. Also, "%WORKER-ID%",
"%STORM-ID%" and "%WORKER-PORT%" are
+ * replaced with appropriate runtime values for this worker.
--- End diff --
Let's explain clearly what substitutions are happening.
ID -> port (for backward compatibility)
WORKER-PORT -> port
WORKER-ID -> worker id
STORM-ID -> topology's id.
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