Github user revans2 commented on a diff in the pull request: https://github.com/apache/storm/pull/401#discussion_r23801424 --- 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 -- This is going to cause a large load on zookeeper. There is a reason we have the cache for the assignment info, and we only download it when it has changed. We really should use the cache here if we can.
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