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Posted to reviews@spark.apache.org by cloud-fan <gi...@git.apache.org> on 2018/02/06 04:22:19 UTC

[GitHub] spark pull request #20513: [SPARK-23312][SQL][followup] add a config to turn...

GitHub user cloud-fan opened a pull request:

    https://github.com/apache/spark/pull/20513

    [SPARK-23312][SQL][followup] add a config to turn off vectorized cache reader

    ## What changes were proposed in this pull request?
    
    https://github.com/apache/spark/pull/20483 tried to provide a way to turn off the new columnar cache reader, to restore the behavior in 2.2. However even we turn off that config, the behavior is still different than 2.2.
    
    If the output data are rows, we still enable whole stage codegen for the scan node, which is different with 2.2, we should also fix it.
    
    ## How was this patch tested?
    
    existing tests.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/cloud-fan/spark cache

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/20513.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #20513
    
----
commit 8525b2c7e540991c75c8d61bfc5a8361cae78c7b
Author: Wenchen Fan <we...@...>
Date:   2018-02-06T04:17:03Z

    followup

----


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20513
  
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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    **[Test build #87118 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87118/testReport)** for PR 20513 at commit [`880412f`](https://github.com/apache/spark/commit/880412f0c618bbc1061f98e881dc0690b498c35e).


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    **[Test build #87113 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87113/testReport)** for PR 20513 at commit [`880412f`](https://github.com/apache/spark/commit/880412f0c618bbc1061f98e881dc0690b498c35e).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    LGTM pending Jenkins.


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[GitHub] spark pull request #20513: [SPARK-23312][SQL][followup] add a config to turn...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20513#discussion_r166192327
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryTableScanExec.scala ---
    @@ -61,6 +61,9 @@ case class InMemoryTableScanExec(
         }) && !WholeStageCodegenExec.isTooManyFields(conf, relation.schema)
       }
     
    +  // TODO: revisit this. Shall we always turn off whole stage codegen if the output data are rows?
    +  override def supportCodegen: Boolean = supportsBatch
    --- End diff --
    
    Yeah, we can do more perf measurement after 2.3 release


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20513
  
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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    **[Test build #87088 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87088/testReport)** for PR 20513 at commit [`8525b2c`](https://github.com/apache/spark/commit/8525b2c7e540991c75c8d61bfc5a8361cae78c7b).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20513
  
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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by cloud-fan <gi...@git.apache.org>.
Github user cloud-fan commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    ```
    java.lang.RuntimeException: [unresolved dependency: com.sun.jersey#jersey-json;1.14: configuration not found in com.sun.jersey#jersey-json;1.14: 'master(compile)'. Missing configuration: 'compile'. It was required from org.apache.hadoop#hadoop-yarn-common;2.6.5 compile]
    ```
    
    Seems like some environmental problems, let's try again.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    Thanks! Merged to master/2.3


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    **[Test build #87097 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87097/testReport)** for PR 20513 at commit [`8525b2c`](https://github.com/apache/spark/commit/8525b2c7e540991c75c8d61bfc5a8361cae78c7b).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by viirya <gi...@git.apache.org>.
Github user viirya commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    retest this please.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20513
  
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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by cloud-fan <gi...@git.apache.org>.
Github user cloud-fan commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    retest this please


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[GitHub] spark pull request #20513: [SPARK-23312][SQL][followup] add a config to turn...

Posted by cloud-fan <gi...@git.apache.org>.
Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20513#discussion_r166184445
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryTableScanExec.scala ---
    @@ -61,6 +61,9 @@ case class InMemoryTableScanExec(
         }) && !WholeStageCodegenExec.isTooManyFields(conf, relation.schema)
       }
     
    +  // TODO: revisit this. Shall we always turn off whole stage codegen if the output data are rows?
    +  override def supportCodegen: Boolean = supportsBatch
    --- End diff --
    
    In 2.4 we should look into this. My gut feeling is we don't need to enable whole stage codegen for scan nodes that output data as rows.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/20513
  
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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    **[Test build #87118 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87118/testReport)** for PR 20513 at commit [`880412f`](https://github.com/apache/spark/commit/880412f0c618bbc1061f98e881dc0690b498c35e).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    **[Test build #87108 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87108/testReport)** for PR 20513 at commit [`880412f`](https://github.com/apache/spark/commit/880412f0c618bbc1061f98e881dc0690b498c35e).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/20513
  
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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by kiszk <gi...@git.apache.org>.
Github user kiszk commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    LGTM


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/20513
  
    **[Test build #87088 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87088/testReport)** for PR 20513 at commit [`8525b2c`](https://github.com/apache/spark/commit/8525b2c7e540991c75c8d61bfc5a8361cae78c7b).


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by AmplabJenkins <gi...@git.apache.org>.
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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by cloud-fan <gi...@git.apache.org>.
Github user cloud-fan commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    retest this please


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

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    https://github.com/apache/spark/pull/20513
  
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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    retest this please


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

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[GitHub] spark pull request #20513: [SPARK-23312][SQL][followup] add a config to turn...

Posted by viirya <gi...@git.apache.org>.
Github user viirya commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20513#discussion_r166211814
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryTableScanExec.scala ---
    @@ -61,6 +61,9 @@ case class InMemoryTableScanExec(
         }) && !WholeStageCodegenExec.isTooManyFields(conf, relation.schema)
       }
     
    +  // TODO: revisit this. Shall we always turn off whole stage codegen if the output data are rows?
    +  override def supportCodegen: Boolean = supportsBatch
    --- End diff --
    
    I think this is safe to keep the same behavior of 2.2.
    
    I'm not sure if enabling whole stage codegen can hurt performance for scan nodes, btw. We can revisit this, of course.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/20513
  
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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

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    https://github.com/apache/spark/pull/20513
  
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[GitHub] spark pull request #20513: [SPARK-23312][SQL][followup] add a config to turn...

Posted by asfgit <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/20513


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[GitHub] spark pull request #20513: [SPARK-23312][SQL][followup] add a config to turn...

Posted by kiszk <gi...@git.apache.org>.
Github user kiszk commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20513#discussion_r166244254
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryTableScanExec.scala ---
    @@ -61,6 +61,9 @@ case class InMemoryTableScanExec(
         }) && !WholeStageCodegenExec.isTooManyFields(conf, relation.schema)
       }
     
    +  // TODO: revisit this. Shall we always turn off whole stage codegen if the output data are rows?
    +  override def supportCodegen: Boolean = supportsBatch
    --- End diff --
    
    We confirmed that we got performance improvements in several cases.
    I will revisit this with more cases after 2.3 release.


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

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    https://github.com/apache/spark/pull/20513
  
    @sameeragarwal @kiszk  @viirya @gatorsmile 


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

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    https://github.com/apache/spark/pull/20513
  
    **[Test build #87093 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87093/testReport)** for PR 20513 at commit [`8525b2c`](https://github.com/apache/spark/commit/8525b2c7e540991c75c8d61bfc5a8361cae78c7b).


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/20513
  
    **[Test build #87097 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87097/testReport)** for PR 20513 at commit [`8525b2c`](https://github.com/apache/spark/commit/8525b2c7e540991c75c8d61bfc5a8361cae78c7b).


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[GitHub] spark issue #20513: [SPARK-23312][SQL][followup] add a config to turn off ve...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/20513
  
    **[Test build #87093 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/87093/testReport)** for PR 20513 at commit [`8525b2c`](https://github.com/apache/spark/commit/8525b2c7e540991c75c8d61bfc5a8361cae78c7b).
     * This patch **fails due to an unknown error code, -9**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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