[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

2018-07-26 Thread gatorsmile
Github user gatorsmile commented on the issue: https://github.com/apache/spark/pull/21758 Thanks! Merged to master. @jiangxb1987 Please submit the other PRs that are blocked by this ASAP. --- - To

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2018-07-25 Thread jiangxb1987
Github user jiangxb1987 commented on the issue: https://github.com/apache/spark/pull/21758 > What's the failure mode if there are not enough slots for the barrier mode? We should throw an exception right? Yes, as mentioned in

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Github user rxin commented on the issue: https://github.com/apache/spark/pull/21758 What's the failure mode if there are not enough slots for the barrier mode? We should throw an exception right? --- - To

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2018-07-25 Thread gatorsmile
Github user gatorsmile commented on the issue: https://github.com/apache/spark/pull/21758 LGTM @squito Has @jiangxb1987 address your comments? We want to merge this PR ASAP and a few to-be-submitted PRs depend on this PR. This feature is targeting to Spark 2.4

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2018-07-20 Thread jiangxb1987
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2018-07-20 Thread jerryshao
Github user jerryshao commented on the issue: https://github.com/apache/spark/pull/21758 I see, thanks for explaining. Maybe it is worth to mark as a TODO. --- - To unsubscribe, e-mail:

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2018-07-20 Thread jiangxb1987
Github user jiangxb1987 commented on the issue: https://github.com/apache/spark/pull/21758 For now we force all the tasks to be barrier. We may be able to allow hybrid of both barrier tasks and regular tasks in a stage, but that shall make it more complex to do failure handling.

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2018-07-20 Thread jerryshao
Github user jerryshao commented on the issue: https://github.com/apache/spark/pull/21758 I mean rddC's partitions are derived from rddA and rddB, here assuming partitions in rddA requires barrier, but not required in rddB. So rddC's partitions are the half barrier and half not

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2018-07-20 Thread jiangxb1987
Github user jiangxb1987 commented on the issue: https://github.com/apache/spark/pull/21758 @jerryshao In your case we just make sure that `rddC.isBarrier() == true`, coz there is no ShuffleDependency in `union()` operation, the tasks are launched based on rddC's partitions. ---

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2018-07-20 Thread jerryshao
Github user jerryshao commented on the issue: https://github.com/apache/spark/pull/21758 Hi @jiangxb1987 one question about barrier task. For example, `rddA` is marked as barrier, and `rddB` is a normal RDD, if `rddC = rddA.union(rddB)`, seems it contains both normal task and

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

2018-07-19 Thread SparkQA
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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

2018-07-19 Thread SparkQA
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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

2018-07-18 Thread jiangxb1987
Github user jiangxb1987 commented on the issue: https://github.com/apache/spark/pull/21758 @mridulm Sorry I missed that message, now I've updated the comment, we can continue the discussion on that thread. --- - To

[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

2018-07-18 Thread mridulm
Github user mridulm commented on the issue: https://github.com/apache/spark/pull/21758 I had left a few comments on SPARK-24375 @jiangxb1987 ... unfortunately the jira's have moved around a bit. If this is active PR for introducing the feature, would be great to get clarity on

[GitHub] spark issue #21758: [SPARK-24795][CORE] Implement barrier execution mode

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