[
https://issues.apache.org/jira/browse/GOBBLIN-1071?focusedWorklogId=399470&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-399470
]
ASF GitHub Bot logged work on GOBBLIN-1071:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 07/Mar/20 00:41
Start Date: 07/Mar/20 00:41
Worklog Time Spent: 10m
Work Description: sv2000 commented on pull request #2909: [GOBBLIN-1071]
Retry task initialization
URL: https://github.com/apache/incubator-gobblin/pull/2909#discussion_r389205881
##########
File path:
gobblin-runtime/src/main/java/org/apache/gobblin/runtime/GobblinMultiTaskAttempt.java
##########
@@ -456,6 +464,33 @@ private Task createTaskRunnable(WorkUnitState
workUnitState, CountDownLatch coun
}
}
+ /**
+ * As the initialization of {@link Task} could have unstable external
connection which could be healed through
+ * retry, adding retry-wrapper here for the sake of fault-tolerance.
+ */
+ private Task createTaskWithRetry(WorkUnitState workUnitState, CountDownLatch
countDownLatch) {
+ Config config =
ConfigUtils.propertiesToConfig(this.jobState.getProperties())
+ .withValue(RETRY_TIME_OUT_MS,
ConfigValueFactory.fromAnyRef(TimeUnit.MINUTES.toMillis(1L)))
+ .withValue(RETRY_INTERVAL_MS,
ConfigValueFactory.fromAnyRef(TimeUnit.SECONDS.toMillis(2L)));
+ Retryer<Task> retryer = RetryerFactory.newInstance(config);
+ // An "effectively final" variable for counting how many retried has been
done, mostly for logging purpose.
+ final AtomicInteger counter = new AtomicInteger(0);
+
+ try {
+ return retryer.call(new Callable<Task>() {
+ @Override
+ public Task call()
+ throws Exception {
+ counter.incrementAndGet();
+ log.info(String.format("The %s time that trying create Task object",
counter.get()));
+ return createTaskRunnable(workUnitState, countDownLatch);
+ }
+ });
+ } catch (Exception e) {
+ throw new RuntimeException("Execution in creating a Task-with-retry
failed", e);
Review comment:
"Exception creating Task after k retries"?
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Issue Time Tracking
-------------------
Worklog Id: (was: 399470)
Time Spent: 1h 20m (was: 1h 10m)
> Retry Task Initialization
> -------------------------
>
> Key: GOBBLIN-1071
> URL: https://issues.apache.org/jira/browse/GOBBLIN-1071
> Project: Apache Gobblin
> Issue Type: Improvement
> Reporter: Lei Sun
> Priority: Major
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
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