LogicFan commented on PR #15610:
URL: https://github.com/apache/datafusion/pull/15610#issuecomment-2869669114
I've tried to use this branch to sort data larger than memory. For 24GB
parquet file, it produce error `Error: ArrowError(IoError("No space left on
device (os error 28)", Os { code: 28, kind: StorageFull, message: "No space
left on device" }), None)` (i think this suggest it uses up all 100GB default
DiskManager?)
here is the configuration i use
```
let cfg = SessionConfig::new()
.with_sort_max_spill_merge_degree(2)
.with_sort_spill_reservation_bytes(1 << 10)
.with_sort_in_place_threshold_bytes(1 << 10)
.set_usize("datafusion.execution.batch_size", 16)
.set_usize("datafusion.execution.soft_max_rows_per_output_file",
2048)
.set_usize("datafusion.execution.minimum_parallel_output_files", 32);
let memory_pool = Arc::new(TrackConsumersPool::new(
FairSpillPool::new(16 * (1 << 30)),
NonZeroUsize::new(5).unwrap(),
));
```
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