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https://issues.apache.org/jira/browse/HADOOP-13818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15701685#comment-15701685
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Steve Loughran commented on HADOOP-13818:
-----------------------------------------
Ideally I'd like that getFileStatus call skipped unless either of the == null
conditions meant it was needed. I know that's probably excessive, but with all
the object store work I've been doing, I've come to view those calls as
potentially very expensive. We should do our best to minimise their use, even
in the localFS, in case someone is using that code as the basis for working
with a distributed FS like Gluster or Lustre
> TestLocalFileSystem#testSetTimes fails
> --------------------------------------
>
> Key: HADOOP-13818
> URL: https://issues.apache.org/jira/browse/HADOOP-13818
> Project: Hadoop Common
> Issue Type: Bug
> Components: test
> Environment: Mac OS Sierra, OpenJDK 8u122-ea
> Reporter: Akira Ajisaka
> Assignee: Yiqun Lin
> Priority: Minor
> Attachments: HADOOP-13818.001.patch, HADOOP-13818.002.patch
>
>
> {noformat}
> Running org.apache.hadoop.fs.TestLocalFileSystem
> Tests run: 20, Failures: 1, Errors: 0, Skipped: 1, Time elapsed: 4.887 sec
> <<< FAILURE! - in org.apache.hadoop.fs.TestLocalFileSystem
> testSetTimes(org.apache.hadoop.fs.TestLocalFileSystem) Time elapsed: 0.084
> sec <<< FAILURE!
> java.lang.AssertionError: expected:<23456000> but was:<1479176144000>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at org.junit.Assert.assertEquals(Assert.java:542)
> at
> org.apache.hadoop.fs.TestLocalFileSystem.checkTimesStatus(TestLocalFileSystem.java:391)
> at
> org.apache.hadoop.fs.TestLocalFileSystem.testSetTimes(TestLocalFileSystem.java:414)
> {noformat}
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