[ 
https://issues.apache.org/jira/browse/HIVE-25716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Viktor Csomor updated HIVE-25716:
---------------------------------
    Description: 
Flaky check failed on run #59:
[http://ci.hive.apache.org/job/hive-flaky-check/467/|http://ci.hive.apache.org/job/hive-flaky-check/467/]

{code:java}
java.lang.AssertionError
        at org.junit.Assert.fail(Assert.java:87)
        at org.junit.Assert.assertTrue(Assert.java:42)
        at org.junit.Assert.assertTrue(Assert.java:53)
        at 
org.apache.hadoop.hive.ql.txn.compactor.TestCompactionMetrics.testOldestReadyForCleaningAge(TestCompactionMetrics.java:214)
{code}

Check:
{code}
    runAcidMetricService();
    long now = System.currentTimeMillis();
    long oldDiff = (now - oldStart)/1000;
    long youngDiff = (now - youngStart)/1000;

    long threshold = 1000;
    int intValue = 
Metrics.getOrCreateGauge(MetricsConstants.OLDEST_READY_FOR_CLEANING_AGE).intValue();
    System.err.println("Now: " + now);
    System.err.println("Old start: " + oldStart);
    System.err.println("Young start: " + youngStart);
    System.err.println("Old diff: " + oldDiff);
    System.err.println("Young diff: " + youngDiff);
    System.err.println("Age: " + intValue);

    boolean assertValue = (intValue <= (oldDiff + threshold));
    Assert.assertTrue(assertValue);
{code}

Output
{code}
Now: 1638863282765
Old start: 1638863245187
Young start: 1638863263762
Old diff: 37
Young diff: 19
Age: 18
{code}

  was:
Flaky check failed on run #59:
[http://ci.hive.apache.org/job/hive-flaky-check/467/|http://ci.hive.apache.org/job/hive-flaky-check/467/]

{code:java}
java.lang.AssertionError
        at org.junit.Assert.fail(Assert.java:87)
        at org.junit.Assert.assertTrue(Assert.java:42)
        at org.junit.Assert.assertTrue(Assert.java:53)
        at 
org.apache.hadoop.hive.ql.txn.compactor.TestCompactionMetrics.testOldestReadyForCleaningAge(TestCompactionMetrics.java:214)
{code}


> Fix flaky test TestCompactionMetrics#testOldestReadyForCleaningAge
> ------------------------------------------------------------------
>
>                 Key: HIVE-25716
>                 URL: https://issues.apache.org/jira/browse/HIVE-25716
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 4.0.0
>            Reporter: Karen Coppage
>            Assignee: Viktor Csomor
>            Priority: Major
>              Labels: flaky-test, pull-request-available
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> Flaky check failed on run #59:
> [http://ci.hive.apache.org/job/hive-flaky-check/467/|http://ci.hive.apache.org/job/hive-flaky-check/467/]
> {code:java}
> java.lang.AssertionError
>       at org.junit.Assert.fail(Assert.java:87)
>       at org.junit.Assert.assertTrue(Assert.java:42)
>       at org.junit.Assert.assertTrue(Assert.java:53)
>       at 
> org.apache.hadoop.hive.ql.txn.compactor.TestCompactionMetrics.testOldestReadyForCleaningAge(TestCompactionMetrics.java:214)
> {code}
> Check:
> {code}
>     runAcidMetricService();
>     long now = System.currentTimeMillis();
>     long oldDiff = (now - oldStart)/1000;
>     long youngDiff = (now - youngStart)/1000;
>     long threshold = 1000;
>     int intValue = 
> Metrics.getOrCreateGauge(MetricsConstants.OLDEST_READY_FOR_CLEANING_AGE).intValue();
>     System.err.println("Now: " + now);
>     System.err.println("Old start: " + oldStart);
>     System.err.println("Young start: " + youngStart);
>     System.err.println("Old diff: " + oldDiff);
>     System.err.println("Young diff: " + youngDiff);
>     System.err.println("Age: " + intValue);
>     boolean assertValue = (intValue <= (oldDiff + threshold));
>     Assert.assertTrue(assertValue);
> {code}
> Output
> {code}
> Now: 1638863282765
> Old start: 1638863245187
> Young start: 1638863263762
> Old diff: 37
> Young diff: 19
> Age: 18
> {code}



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