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https://issues.apache.org/jira/browse/HADOOP-14472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16033272#comment-16033272
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Steve Loughran commented on HADOOP-14472:
-----------------------------------------
Looks pretty brittle: it's trying to verify that hsync() flushed by asserting
the operation time is > a min value
{code}
// A true, round-trip synchronous flush to Azure must take
// a significant amount of time or we are not syncing to storage
correctly.
{code}
> Azure: TestReadAndSeekPageBlobAfterWrite fails intermittently
> -------------------------------------------------------------
>
> Key: HADOOP-14472
> URL: https://issues.apache.org/jira/browse/HADOOP-14472
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/azure, test
> Reporter: Mingliang Liu
>
> Reported by [HADOOP-14461]
> {code}
> testManySmallWritesWithHFlush(org.apache.hadoop.fs.azure.TestReadAndSeekPageBlobAfterWrite)
> Time elapsed: 1.051 sec <<< FAILURE!
> java.lang.AssertionError: hflush duration of 13, less than minimum expected
> of 20
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at
> org.apache.hadoop.fs.azure.TestReadAndSeekPageBlobAfterWrite.writeAndReadOneFile(TestReadAndSeekPageBlobAfterWrite.java:286)
> at
> org.apache.hadoop.fs.azure.TestReadAndSeekPageBlobAfterWrite.testManySmallWritesWithHFlush(TestReadAndSeekPageBlobAfterWrite.java:247)
> {code}
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