guhaiyan0221 commented on code in PR #5536:
URL: https://github.com/apache/incubator-gluten/pull/5536#discussion_r1582031041
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cpp/velox/shuffle/VeloxShuffleWriter.cc:
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@@ -340,25 +340,42 @@ arrow::Status
VeloxShuffleWriter::split(std::shared_ptr<ColumnarBatch> cb, int64
START_TIMING(cpuWallTimingList_[CpuWallTimingFlattenRV]);
rv = veloxColumnBatch->getFlattenedRowVector();
END_TIMING();
- if (partitioner_->hasPid()) {
- auto pidArr = getFirstColumn(*rv);
- START_TIMING(cpuWallTimingList_[CpuWallTimingCompute]);
- RETURN_NOT_OK(partitioner_->compute(pidArr, rv->size(), row2Partition_,
partition2RowCount_));
- END_TIMING();
- auto strippedRv = getStrippedRowVector(*rv);
- RETURN_NOT_OK(initFromRowVector(*strippedRv));
- RETURN_NOT_OK(doSplit(*strippedRv, memLimit));
+ if (isExtremelyLargeBatch(rv)) {
+ auto numRows = rv->size();
+ int32_t offset = 0;
+ do {
Review Comment:
ut added
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