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from 2118258b547 tidy up group by engines after removal of v1 (#15665)
add 2231cb30a4d Faster k-way merging using tournament trees, 8-byte key
strides. (#15661)
No new revisions were added by this update.
Summary of changes:
.../frame/FrameChannelMergerBenchmark.java | 353 +++++++++++++++++++++
.../druid/msq/exec/MSQLoadedSegmentTests.java | 2 +-
.../druid/frame/key/FrameComparisonWidgetImpl.java | 18 +-
.../druid/frame/processor/FrameChannelMerger.java | 70 ++--
.../druid/frame/processor/TournamentTree.java | 211 ++++++++++++
.../apache/druid/frame/read/FrameReaderUtils.java | 43 ++-
.../druid/frame/processor/TournamentTreeTest.java | 196 ++++++++++++
7 files changed, 845 insertions(+), 48 deletions(-)
create mode 100644
benchmarks/src/test/java/org/apache/druid/benchmark/frame/FrameChannelMergerBenchmark.java
create mode 100644
processing/src/main/java/org/apache/druid/frame/processor/TournamentTree.java
create mode 100644
processing/src/test/java/org/apache/druid/frame/processor/TournamentTreeTest.java
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