Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/401#discussion_r23803166
--- Diff: storm-core/src/clj/backtype/storm/daemon/supervisor.clj ---
@@ -349,6 +350,20 @@
(keys keepers))
(zipmap (vals new-worker-ids) (keys new-worker-ids))
))
+
+ ;; check storm topology code dir exists before launching workers
+ (doseq [[port assignment] reassign-executors]
+ (let [storm-cluster-state (:storm-cluster-state supervisor)
+ downloaded-storm-ids (set (read-downloaded-storm-ids conf))
+ storm-id (:storm-id assignment)
+ assignment-info (.assignment-info-with-version
storm-cluster-state storm-id nil)
--- End diff --
Yes. We could replace it with ```@(:assignment-versions supervisor)``` and
presumably get the same result without hitting zookeeper.
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