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Subject [GitHub] [hadoop] sahilTakiar commented on issue #597: HDFS-3246: pRead equivalent for direct read path
Date Tue, 30 Apr 2019 21:36:11 GMT
sahilTakiar commented on issue #597: HDFS-3246: pRead equivalent for direct read path
URL: https://github.com/apache/hadoop/pull/597#issuecomment-488124086
 
 
   Hadoop QA is still hitting these memory issues, so I ran the full suite of `hadoop-hdfs`
tests on my local machine against this patch. I can reproduce the `TestWebHdfsTimeouts` although
that seems to fail relatively often in Hadoop QA (reproduce on trunk as well when running
on my local machine). `TestBPOfferService` hit a OOM issue twice out of several runs, so it
seems intermittent.
   
   I looped `TestFileChecksum`, `TestDFSStripedOutputStreamWithRandomECPolicy`, and the tests
in this patch, but was not able to re-produce the memory issue.
   
   I took a quick look at the heap dump as well and didn't see anything that was related to
this patch. Interestingly, most of the memory is consumed by Mockito.

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