Backport leaks to 0.18.0-iap #138
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* Fix various Yielder leaks. - CombiningSequence leaked the input yielder from "toYielder" if it ran into an exception while accumulating the last value from the input yielder. - MergeSequence leaked input yielders from "toYielder" if it ran into an exception while building the initial priority queue. - ScanQueryRunnerFactory leaked the input yielder in its "priorityQueueSortAndLimit" strategy if it ran into an exception while scanning and sorting. - YieldingSequenceBase.accumulate chomped IOExceptions thrown in "accumulate" during yielder closing. * Add tests. * Fix braces.
…e#9928) * - GroupByQueryEngineV2: Fix leak of intermediate processing buffer when exceptions are thrown before result sequence is created. - PooledTopNAlgorithm: Fix leak of intermediate processing buffer when exceptions are thrown before the PooledTopNParams object is created. - BlockingPool: Remove unused "take" methods. * Add tests to verify that buffers have been returned.
…0076) * ensure close for all closeables of ParallelMergeCombiningSequence * revert unneeded change * consolidate methods * catch throwable instead of exception
* fix query memory leak * rollup ./idea * roll up .idea * clean code * optimize style * optimize cancel function * optimize style * add concurrentGroupTest test case * add test case * add unit test * fix code style * optimize cancell method use * format code * reback code * optimize cancelAll * clean code * add comment
…ncellation (apache#10117) * cancel parallel merge combine sequence on yielder close * finish incomplete comment * Update core/src/test/java/org/apache/druid/java/util/common/guava/ParallelMergeCombiningSequenceTest.java Fixes checkstyle Co-authored-by: Jihoon Son <jihoonson@apache.org>
jihoonson
approved these changes
Jul 7, 2020
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omnibus backport of all the leak fixes