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Re: Review Request 67023: HIVE-18117: Add a new Test Driver "TestErasureCodingHDFSCliDriver" that can be used to run tests over hdfs directories that employ Erasure Coding.



> On May 14, 2018, 4:57 p.m., Sahil Takiar wrote:
> > itests/src/test/resources/testconfiguration.properties
> > Line 1693 (original), 1693 (patched)
> > <https://reviews.apache.org/r/67023/diff/1-2/?file=2018286#file2018286line1693>
> >
> >     why would we want the ec commands to work outside the `TestErasureCodingHDFSCliDriver`?

So you could run an ec test in TestCliDriver (sorry reviewboard lost my ealrier reply)


> On May 14, 2018, 4:57 p.m., Sahil Takiar wrote:
> > ql/src/test/queries/clientpositive/erasure_commands.q
> > Lines 2 (patched)
> > <https://reviews.apache.org/r/67023/diff/2/?file=2021052#file2021052line2>
> >
> >     why would we want to run this on the local fs?

I'm imaginging wanting to run an ec test in TestCliDriver without changing it (sorry reviewboard lost my ealrier reply)


- Andrew


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On May 11, 2018, 11:38 p.m., Andrew Sherman wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/67023/
> -----------------------------------------------------------
> 
> (Updated May 11, 2018, 11:38 p.m.)
> 
> 
> Review request for hive and Sahil Takiar.
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> TestErasureCodingHDFSCliDriver uses a test-only CommandProcessor "ErasureProcessor"
> which allows .q files to contain Erasure Coding commands similar to those provided
> by the hdfs ec command
> https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HDFSErasureCoding.html.
> The Erasure Coding functionality is exposed through a new shim "HdfsFileErasureCodingPolicy".
> At this stage there are two .q files:
> erasure_commnds.q (a simple test to show ERASURE commands can run on local fs via
> TestCliDriver or on hdfs via TestErasureCodingHDFSCliDriver), and
> erasure_simple.q (which does some trivial queries to demonstrate basic functionality).
> More tests will come in future commits.
> 
> 
> Diffs
> -----
> 
>   itests/qtest/src/test/java/org/apache/hadoop/hive/cli/TestErasureCodingHDFSCliDriver.java PRE-CREATION 
>   itests/src/test/resources/testconfiguration.properties cf6d19a5937c3f4a82e4ffe09201af8a79da2e3d 
>   itests/util/src/main/java/org/apache/hadoop/hive/cli/control/CliConfigs.java 6628336807b06cab49063673be0d8e9c5b5a7101 
>   itests/util/src/main/java/org/apache/hadoop/hive/ql/QTestUtil.java 750fc69c5f210ca8f7bfe81b82ee9e3001fc07ba 
>   ql/src/java/org/apache/hadoop/hive/ql/processors/CommandProcessorFactory.java 3d47991b603c94c8da2106e67192c8513ef783a7 
>   ql/src/java/org/apache/hadoop/hive/ql/processors/ErasureProcessor.java PRE-CREATION 
>   ql/src/java/org/apache/hadoop/hive/ql/processors/HiveCommand.java 56c7516ecfaf2421b0f3d3a188d05f38715b25b2 
>   ql/src/java/org/apache/hadoop/hive/ql/session/SessionState.java 9f65a771f95a7c0bd3fdb4e56e47c0fc70235850 
>   ql/src/test/org/apache/hadoop/hive/ql/processors/TestCommandProcessorFactory.java de43c2866f64e2ed5c74eab450de28f1a79248dc 
>   ql/src/test/queries/clientpositive/erasure_commands.q PRE-CREATION 
>   ql/src/test/queries/clientpositive/erasure_simple.q PRE-CREATION 
>   ql/src/test/results/clientpositive/erasure_commands.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/erasurecoding/erasure_commands.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/erasurecoding/erasure_simple.q.out PRE-CREATION 
>   shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java ec06a88dc21346473bec6589c703167d50e3b367 
>   shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShims.java b89081761780bf1f305d0196bb94bb0b54f7184f 
>   testutils/ptest2/conf/deployed/master-mr2.properties 7edc307f85744d60d322ad8087164625677fc230 
> 
> 
> Diff: https://reviews.apache.org/r/67023/diff/2/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Andrew Sherman
> 
>