[GitHub] spark issue #20555: [SPARK-23366] Improve hot reading path in ReadAheadInput...

2018-02-15 Thread cloud-fan
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thanks, merging to master!


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[GitHub] spark issue #20555: [SPARK-23366] Improve hot reading path in ReadAheadInput...

2018-02-14 Thread jiangxb1987
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LGTM


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[GitHub] spark issue #20555: [SPARK-23366] Improve hot reading path in ReadAheadInput...

2018-02-13 Thread zsxwing
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LGTM


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2018-02-13 Thread zsxwing
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Looks pretty good. Left two minor comments.


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[GitHub] spark issue #20555: [SPARK-23366] Improve hot reading path in ReadAheadInput...

2018-02-13 Thread juliuszsompolski
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@jiangxb1987 there is ReadAheadInputStreamSuite that extends 
GenericFileInputStreamSuite.
I updated it and added more combination testing with different buffer sizes 
that should exercise more interactions between the wrapped and outer buffers.


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2018-02-13 Thread jiangxb1987
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It would also be great if we can add some unit tests on the read ahead 
stream model.


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2018-02-13 Thread cloud-fan
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cc @sameeragarwal @sitalkedia , shall we have this in Spark 2.3?


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2018-02-13 Thread cloud-fan
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LGTM


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2018-02-12 Thread gatorsmile
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Also cc @jiangxb1987 @cloud-fan 


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[GitHub] spark issue #20555: [SPARK-23366] Improve hot reading path in ReadAheadInput...

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