Github user paul-rogers commented on a diff in the pull request: https://github.com/apache/drill/pull/1181#discussion_r178445205 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/flatten/FlattenRecordBatch.java --- @@ -99,7 +100,23 @@ private void clear() { } } - private class FlattenMemoryManager extends AbstractRecordBatchMemoryManager { + public enum Metric implements MetricDef { + INPUT_BATCH_COUNT, + AVG_INPUT_BATCH_BYTES, + AVG_INPUT_ROW_BYTES, + TOTAL_INPUT_RECORDS, + OUTPUT_BATCH_COUNT, + AVG_OUTPUT_BATCH_BYTES, + AVG_OUTPUT_ROW_BYTES, + TOTAL_OUTPUT_RECORDS; --- End diff -- Very nice, these labels should be quite readable in the UI. (We should have an enum-to-label lookup table, but we don't...) This pass I noticed the inconsistency between `INPUT_BATCH_COUNT` and `TOTAL_INPUT_RECORDS`. Perhaps change the latter to `INPUT_RECORD_COUNT`.
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