[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-19 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/23040
  
thanks, merging to master!


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-18 Thread AmplabJenkins
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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-18 Thread AmplabJenkins
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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-18 Thread SparkQA
Github user SparkQA commented on the issue:

https://github.com/apache/spark/pull/23040
  
**[Test build #98989 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/98989/testReport)**
 for PR 23040 at commit 
[`3c6d349`](https://github.com/apache/spark/commit/3c6d349b26e54ead7c345e11ffacf14edcd072c1).
 * This patch passes all tests.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-18 Thread LinhongLiu
Github user LinhongLiu commented on the issue:

https://github.com/apache/spark/pull/23040
  
cc @cloud-fan @srowen 
review is fixed.


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-18 Thread SparkQA
Github user SparkQA commented on the issue:

https://github.com/apache/spark/pull/23040
  
**[Test build #98989 has 
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[`3c6d349`](https://github.com/apache/spark/commit/3c6d349b26e54ead7c345e11ffacf14edcd072c1).


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-16 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/23040
  
also cc @jiangxb1987 @zsxwing 


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-16 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/23040
  
LGTM except one comment


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-15 Thread AmplabJenkins
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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-15 Thread AmplabJenkins
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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-15 Thread SparkQA
Github user SparkQA commented on the issue:

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 * This patch passes all tests.
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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-15 Thread SparkQA
Github user SparkQA commented on the issue:

https://github.com/apache/spark/pull/23040
  
**[Test build #98878 has 
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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-15 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/23040
  
ok to test


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-15 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/23040
  
It's good to fix a potential bug, can you add a unit test?


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-15 Thread LinhongLiu
Github user LinhongLiu commented on the issue:

https://github.com/apache/spark/pull/23040
  
Problem:
ChunkedByteBuffer has signature `ChunkedByteBuffer(var chunks: 
Array[ByteBuffer])`. This means user is allowed to pass any kind of `chunks` to 
it. Then we will face the problem described in 
[JIRA](https://issues.apache.org/jira/browse/SPARK-26068). That's why I submit 
this PR.

But on the other hand:
This is an internal class and Spark safely uses `ChunkedByteBuffer` in 2 
ways:
1. Use `ChunkedByteBuffer(byteBuffer: ByteBuffer)` to pass only one buffer. 
Even if it's an empty one, spark will handle this case correctly.
2. Use `ChunkedByteBufferOutputStream` to create `ChunkedByteBuffer` with 
multiple `chunks`. In this case, empty ByteBuffer will never happen.

As a result, current spark code will never reach the problem as far as we 
won't use `ChunkedByteBuffer(var chunks: Array[ByteBuffer])` directly.

So it's both OK either we fix this or not.


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-14 Thread advancedxy
Github user advancedxy commented on the issue:

https://github.com/apache/spark/pull/23040
  
cc @ericl and @JoshRosen, this bug was introduced by 
https://github.com/apache/spark/pull/14099/files 

After loosing empty chunk check, the ChunkedByteBufferInputStream doesn't 
handle empty chunks correctly


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-14 Thread linhong-intel
Github user linhong-intel commented on the issue:

https://github.com/apache/spark/pull/23040
  
cc @xuanyuanking 


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-14 Thread AmplabJenkins
Github user AmplabJenkins commented on the issue:

https://github.com/apache/spark/pull/23040
  
Can one of the admins verify this patch?


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-14 Thread AmplabJenkins
Github user AmplabJenkins commented on the issue:

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Can one of the admins verify this patch?


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[GitHub] spark issue #23040: [SPARK-26068][Core]ChunkedByteBufferInputStream should h...

2018-11-14 Thread AmplabJenkins
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Can one of the admins verify this patch?


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