[ 
https://issues.apache.org/jira/browse/GOBBLIN-1432?focusedWorklogId=589483&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-589483
 ]

ASF GitHub Bot logged work on GOBBLIN-1432:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 26/Apr/21 22:16
            Start Date: 26/Apr/21 22:16
    Worklog Time Spent: 10m 
      Work Description: codecov-commenter edited a comment on pull request 
#3270:
URL: https://github.com/apache/gobblin/pull/3270#issuecomment-825217371


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 (f11d68f) will **decrease** coverage by `37.46%`.
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   ```diff
   @@             Coverage Diff              @@
   ##             master   #3270       +/-   ##
   ============================================
   - Coverage     46.46%   9.00%   -37.47%     
   + Complexity     9993    1741     -8252     
   ============================================
     Files          2036    2037        +1     
     Lines         79180   79226       +46     
     Branches       8831    8836        +5     
   ============================================
   - Hits          36794    7132    -29662     
   - Misses        38960   71393    +32433     
   + Partials       3426     701     -2725     
   ```
   
   
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 589483)
    Time Spent: 40m  (was: 0.5h)

> 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
>          Time Spent: 40m
>  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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