Github user paul-rogers commented on a diff in the pull request: https://github.com/apache/drill/pull/1181#discussion_r177617047 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/flatten/FlattenRecordBatch.java --- @@ -99,6 +100,22 @@ private void clear() { } } + public enum Metric implements MetricDef { + NUM_INCOMING_BATCHES, + AVG_INPUT_BATCH_SIZE, + AVG_INPUT_ROW_WIDTH, --- End diff -- `AVG_INPUT_ROW_WIDTH` to be parallel with `AVG_OUTPUT_ROW_WIDTH`?
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