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Posted to dev@gobblin.apache.org by "Hung Tran (Jira)" <ji...@apache.org> on 2021/04/27 20:10:00 UTC
[jira] [Resolved] (GOBBLIN-1432) JVM hangs on flushing events after
OOM
[ https://issues.apache.org/jira/browse/GOBBLIN-1432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hung Tran resolved GOBBLIN-1432.
--------------------------------
Fix Version/s: 0.16.0
Resolution: Fixed
Issue resolved by pull request #3270
[https://github.com/apache/incubator-gobblin/pull/3270]
> JVM hangs on flushing events after OOM
> --------------------------------------
>
> Key: GOBBLIN-1432
> URL: https://issues.apache.org/jira/browse/GOBBLIN-1432
> Project: Apache Gobblin
> Issue Type: Bug
> Components: gobblin-kafka, gobblin-metrics
> Reporter: Hanghang Liu
> Assignee: Shirshanka Das
> Priority: Major
> Fix For: 0.16.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> A hang was observed for ingestion flows after an OOM.
> This appears to be due to the kafka pusher flush() call not returning.
> Hanging stack.
> {code:java}
> at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.get(FutureRecordMetadata.java:29) at org.apache.gobblin.metrics.kafka.KafkaProducerPusher.flush(KafkaProducerPusher.java:125) at org.apache.gobblin.metrics.kafka.KafkaProducerPusher.close(KafkaProducerPusher.java:137) at com.google.common.io.Closer.close(Closer.java:214) at org.apache.gobblin.metrics.reporter.ConfiguredScheduledReporter.close(ConfiguredScheduledReporter.java:245) at com.google.common.io.Closer.close(Closer.java:214) at org.apache.gobblin.metrics.MetricContext.close(MetricContext.java:553) at org.apache.gobblin.metrics.RootMetricContext$1.run(RootMetricContext.java:194){code}
>
> Shutdown hook call
> {code:java}
> "DestroyJavaVM" #308 prio=5 os_prio=0 tid=0x00007fb55c01a800 nid=0x5d51 in Object.wait() [0x00007fb563f5b000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x00000000e036cf30> (a org.apache.gobblin.metrics.RootMetricContext$1) at java.lang.Thread.join(Thread.java:1252) - locked <0x00000000e036cf30> (a org.apache.gobblin.metrics.RootMetricContext$1) at java.lang.Thread.join(Thread.java:1326) at java.lang.ApplicationShutdownHooks.runHooks(ApplicationShutdownHooks.java:107) at java.lang.ApplicationShutdownHooks$1.run(ApplicationShutdownHooks.java:46){code}
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