manuzhang commented on code in PR #17562:
URL: https://github.com/apache/iceberg/pull/17562#discussion_r4379002870
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spark/v4.1/spark/src/main/java/org/apache/iceberg/spark/source/BatchDataReader.java:
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@@ -88,7 +89,9 @@ class BatchDataReader extends BaseBatchReader<FileScanTask>
@Override
public CustomTaskMetric[] currentMetricsValues() {
return new CustomTaskMetric[] {
- new TaskNumSplits(numSplits), new TaskNumDeletes(counter().get())
+ new TaskNumSplits(numSplits),
Review Comment:
Since the no-op `initMEtricsValues` is inherits, metrics from a later reader
in one task will override that of a previous one in the same task. Could you
please fix it in a follow-up PR? Same for RowDataReader.
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