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from 83bb3dd [BEAM-7700] Java transform catalog (#9129)
add 3ee9da9 [BEAM-7574] Use Map-based window combining
add 6c1d115 [BEAM-7574] use Merging and NonMerging accumulating strategies
add 945a606 [BEAM-7574] unify Combine.perKey and Combine.globally
add 7be5dff [BEAM-7574] Explode windows to key when needed
add 1691935 [BEAM-7574] Optimize GC performance, finalize implementation
new fb83467 Merge pull request #8946: [BEAM-7574] fix Combine performance
for SparkRunner
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Summary of changes:
runners/spark/build.gradle | 1 +
.../spark/coders/SparkRunnerKryoRegistrator.java | 2 -
.../spark/translation/GroupCombineFunctions.java | 110 +--
.../GroupNonMergingWindowsFunctions.java | 202 ++---
.../spark/translation/SparkAbstractCombineFn.java | 124 ----
.../SparkBatchPortablePipelineTranslator.java | 4 +-
.../runners/spark/translation/SparkCombineFn.java | 825 +++++++++++++++++++++
.../spark/translation/SparkGlobalCombineFn.java | 261 -------
.../spark/translation/SparkKeyedCombineFn.java | 278 -------
.../spark/translation/TransformTranslator.java | 49 +-
.../spark/translation/TranslationUtils.java | 12 +-
.../streaming/StreamingTransformTranslator.java | 6 +-
.../beam/runners/spark/io/NumShardsTest.java | 2 +-
.../GroupNonMergingWindowsFunctionsTest.java | 124 +++-
.../spark/translation/SparkCombineFnTest.java | 298 ++++++++
.../org/apache/beam/sdk/options/ValueProvider.java | 1 +
.../org/apache/beam/sdk/transforms/Combine.java | 5 +
.../beam/sdk/transforms/windowing/Sessions.java | 6 +
.../org/apache/beam/sdk/util/WindowedValue.java | 55 +-
.../apache/beam/sdk/util/WindowedValueTest.java | 20 +
20 files changed, 1497 insertions(+), 888 deletions(-)
delete mode 100644
runners/spark/src/main/java/org/apache/beam/runners/spark/translation/SparkAbstractCombineFn.java
create mode 100644
runners/spark/src/main/java/org/apache/beam/runners/spark/translation/SparkCombineFn.java
delete mode 100644
runners/spark/src/main/java/org/apache/beam/runners/spark/translation/SparkGlobalCombineFn.java
delete mode 100644
runners/spark/src/main/java/org/apache/beam/runners/spark/translation/SparkKeyedCombineFn.java
create mode 100644
runners/spark/src/test/java/org/apache/beam/runners/spark/translation/SparkCombineFnTest.java
