marin-ma commented on code in PR #6869:
URL: https://github.com/apache/incubator-gluten/pull/6869#discussion_r1730495905
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cpp/velox/shuffle/VeloxSortShuffleWriter.cc:
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@@ -106,8 +104,17 @@ arrow::Status VeloxSortShuffleWriter::init() {
options_.partitioning == Partitioning::kSingle,
arrow::Status::Invalid("VeloxSortShuffleWriter doesn't support single
partition."));
allocateMinimalArray();
- sortedBuffer_ =
facebook::velox::AlignedBuffer::allocate<char>(kSortedBufferSize,
veloxPool_.get());
- rawBuffer_ = sortedBuffer_->asMutable<uint8_t>();
+ // In Spark, sortedBuffer_ memory and compressionBuffer_ memory are
pre-allocated and counted into executor
+ // memory overhead. To align with Spark, we use arrow::default_memory_pool()
to avoid counting these memory in Gluten.
Review Comment:
@FelixYBW arrow::default_memory_pool is used to allocate the sort buffer
and compress buffer.
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