Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/897#discussion_r45671430
--- Diff: storm-core/src/jvm/backtype/storm/task/ShellBolt.java ---
@@ -376,15 +373,18 @@ public void run() {
sendHeartbeatFlag.compareAndSet(true, false);
}
- Object write = _pendingWrites.poll(1, SECONDS);
- if (write instanceof BoltMsg) {
- _process.writeBoltMsg((BoltMsg) write);
- } else if (write instanceof List<?>) {
- _process.writeTaskIds((List<Integer>)write);
- } else if (write != null) {
- throw new RuntimeException("Unknown class type to
write: " + write.getClass().getName());
+ List<Integer> taskIds = _pendingTaskIds.peek();
--- End diff --
Is there any way that we can make this thread block? The way this is
written if the bolt is idle we will be in a tight loop doing nothing but
burring through CPU.
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