https://github.com/apache/spark
Revision 9b2eedc5beb32e99eedbdca344278243531b1c52 authored by Ross Lodge on 06 February 2019, 16:43:40 UTC, committed by Sean Owen on 06 February 2019, 16:44:25 UTC
## What changes were proposed in this pull request? SPARK-23991 introduced a bug in `ReceivedBlockTracker#allocateBlocksToBatch`: when a queue with more than a few thousand blocks are in the queue, serializing the queue throws a StackOverflowError. This change just adds `dequeueAll` to the new `clone` operation on the queue so that the fix in 23991 is preserved but the serialized data comes from an ArrayBuffer which doesn't have the serialization problems that mutable.Queue has. ## How was this patch tested? A unit test was added. Closes #23716 from rlodge/SPARK-26734. Authored-by: Ross Lodge <rlodge@concentricsky.com> Signed-off-by: Sean Owen <sean.owen@databricks.com> (cherry picked from commit 8427e9ba5cae28233d1bdc54208b46889b83a821) Signed-off-by: Sean Owen <sean.owen@databricks.com>
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Tip revision: 9b2eedc5beb32e99eedbdca344278243531b1c52 authored by Ross Lodge on 06 February 2019, 16:43:40 UTC
[SPARK-26734][STREAMING] Fix StackOverflowError with large block queue
[SPARK-26734][STREAMING] Fix StackOverflowError with large block queue
Tip revision: 9b2eedc
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