wonook commented on a change in pull request #187: [NEMO-324] Distinguish
Beam's run and waitUntilFinish methods
URL: https://github.com/apache/incubator-nemo/pull/187#discussion_r385620447
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File path: client/src/main/java/org/apache/nemo/client/JobLauncher.java
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@@ -281,7 +284,9 @@ public static void launchDAG(final IRDAG dag,
LOG.info("Launching DAG...");
serializedDAG =
Base64.getEncoder().encodeToString(SerializationUtils.serialize(dag));
- jobDoneLatch = new CountDownLatch(1);
+ if (jobDoneLatch == null || jobDoneLatch.getCount() == 0) {
Review comment:
I'll add comments to explain this bit. Thanks!
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