andygrove commented on code in PR #1108:
URL: https://github.com/apache/datafusion-comet/pull/1108#discussion_r1851282296
##########
native/core/src/execution/datafusion/shuffle_writer.rs:
##########
@@ -139,6 +140,14 @@ impl ExecutionPlan for ShuffleWriterExec {
) -> Result<SendableRecordBatchStream> {
let input = self.input.execute(partition, Arc::clone(&context))?;
let metrics = ShuffleRepartitionerMetrics::new(&self.metrics, 0);
+ let read_time =
MetricBuilder::new(&self.metrics).subset_time("read_time", 0);
+
+ // clone the ScanExec elapsed_compute metric
+ let scan_time = self
Review Comment:
The input is a JNI call to fetch a batch that already exists, because
CometExecIterator only invokes ShuffleWriterExec once the input batch is
already available.
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