[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-29 Thread liancheng
Github user liancheng commented on the issue:

https://github.com/apache/spark/pull/15976
  
@cloud-fan @dongjoon-hyun Thanks for the review!


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-28 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/15976
  
thanks, merging to master!


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-28 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/15976
  
LGTM


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-28 Thread AmplabJenkins
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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-28 Thread SparkQA
Github user SparkQA commented on the issue:

https://github.com/apache/spark/pull/15976
  
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 * This patch passes all tests.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-28 Thread SparkQA
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https://github.com/apache/spark/pull/15976
  
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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-28 Thread dongjoon-hyun
Github user dongjoon-hyun commented on the issue:

https://github.com/apache/spark/pull/15976
  
Retest this please


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-28 Thread AmplabJenkins
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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-27 Thread SparkQA
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https://github.com/apache/spark/pull/15976
  
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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-27 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/15976
  
retest this please


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread liancheng
Github user liancheng commented on the issue:

https://github.com/apache/spark/pull/15976
  
A similar alternative fix @yhuai proposed is to convert the underlying 
`UnsafeRow` into a safe row (i.e. `GenericInternalRow` in this case) using a 
projection instead of simply adding a `.copy()`. In this way, we prevent adding 
unsafe data into a safe row, which is in general safer. This approach further 
affects performance, though.


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread liancheng
Github user liancheng commented on the issue:

https://github.com/apache/spark/pull/15976
  
Also cc @davies and @sameeragarwal.


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread AmplabJenkins
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https://github.com/apache/spark/pull/15976
  
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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread SparkQA
Github user SparkQA commented on the issue:

https://github.com/apache/spark/pull/15976
  
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 * This patch passes all tests.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread SparkQA
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https://github.com/apache/spark/pull/15976
  
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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread liancheng
Github user liancheng commented on the issue:

https://github.com/apache/spark/pull/15976
  
The last build failure was caused by YARN tests.


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread liancheng
Github user liancheng commented on the issue:

https://github.com/apache/spark/pull/15976
  
retest this please


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread AmplabJenkins
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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread SparkQA
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https://github.com/apache/spark/pull/15976
  
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 * This patch **fails Spark unit tests**.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread dongjoon-hyun
Github user dongjoon-hyun commented on the issue:

https://github.com/apache/spark/pull/15976
  
Thank you for fixing this, @liancheng !


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread liancheng
Github user liancheng commented on the issue:

https://github.com/apache/spark/pull/15976
  
cc @yhuai @cloud-fan


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread SparkQA
Github user SparkQA commented on the issue:

https://github.com/apache/spark/pull/15976
  
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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread liancheng
Github user liancheng commented on the issue:

https://github.com/apache/spark/pull/15976
  
The last build failure was caused by a logical conflict with #15703. We 
don't really have any aggregate functions that don't support partial 
aggregation now after merging #15703, while the re-enabled test cases still 
checks for that condition.


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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-22 Thread AmplabJenkins
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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

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[GitHub] spark issue #15976: [SPARK-18403][SQL] Fix unsafe data false sharing issue i...

2016-11-21 Thread SparkQA
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