[DRILL-6697] Adding metrics for operators

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.14.0
• Fix Version/s: Future
• Component/s: Execution - Relational Operators
• Assignee: Unassigned
• Reporter: Vitalii Diravka
• Created: 17/Aug/18 12:29
• Updated: 16/Nov/18 00:20

Description

It is necessary to investigate, which operators require MetricDef to avoid showing empty metrics info in profiles. Currently all operators with available metrics info are gathered in OperatorMetricRegistry
https://github.com/apache/drill/blob/master/exec/java-exec/src/main/java/org/apache/drill/exec/ops/OperatorMetricRegistry.java#L48

List of Supported Operators

Operator
SCREEN
SINGLE_SENDER
BROADCAST_SENDER
HASH_PARTITION_SENDER
MERGING_RECEIVER
UNORDERED_RECEIVER
HASH_AGGREGATE
HASH_JOIN
EXTERNAL_SORT
PARQUET_ROW_GROUP_SCAN (Flat)
FLATTEN
MERGE_JOIN
LATERAL_JOIN
UNNEST
UNION

Issue Links

• is a parent of: DRILL-6854 Profiles page should provide more insights on parquet statistics for complex reader
• is part of: DRILL-6696 IOBE in Operator Metric Registry