jiangjiangtian commented on code in PR #11140:
URL:
https://github.com/apache/incubator-gluten/pull/11140#discussion_r2576828677
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cpp/velox/utils/VeloxBatchResizer.cc:
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@@ -78,22 +80,41 @@ std::shared_ptr<ColumnarBatch> VeloxBatchResizer::next() {
if (cb->numRows() < minOutputBatchSize_) {
auto vb = VeloxColumnarBatch::from(pool_, cb);
auto rv = vb->getRowVector();
+ auto vector = std::static_pointer_cast<facebook::velox::BaseVector>(rv);
+ uint64_t numBytes = cb->numBytes();
+ if (numBytes > preferredBatchBytes_) {
+ // Input batch is too large. Just return it as is.
+ return cb;
+ }
auto buffer = facebook::velox::RowVector::createEmpty(rv->type(), pool_);
buffer->append(rv.get());
- for (auto nextCb = in_->next(); nextCb != nullptr; nextCb = in_->next()) {
- auto nextVb = VeloxColumnarBatch::from(pool_, nextCb);
- auto nextRv = nextVb->getRowVector();
- if (buffer->size() + nextRv->size() > maxOutputBatchSize_) {
+ // Call reset manully to potentially release memory
+ vector.reset();
Review Comment:
I remove the four lines of code here.
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