wynot12 commented on a change in pull request #73: [Nemo-62] Support Multiple
Jobs Submission in a Single User Program
URL: https://github.com/apache/incubator-nemo/pull/73#discussion_r201413602
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File path: runtime/driver/src/main/java/edu/snu/nemo/driver/NemoDriver.java
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@@ -154,9 +161,14 @@ public void onNext(final ActiveContext activeContext) {
*/
public void startSchedulingUserApplication(final String dagString) {
// Launch user application (with a new thread)
- final ExecutorService userApplicationRunnerThread =
Executors.newSingleThreadExecutor();
+ if (userApplicationRunnerThread == null) {
+ userApplicationRunnerThread = Executors.newSingleThreadExecutor();
Review comment:
Why don't you just initialize it at first place?
`private static final ExecutorService userApplicationRunnerThread =
Executors.newSingleThreadExecutor();`
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