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- {
- "type": "SQLOperator",
- "node_name": "HDFS_SCAN_NODE",
- "metric_names": [
- "RowsRead",
- "RowsReturned",
- "LocalTime"
- ],
- "rule": {
- "condition": "vars['RowsRead']>8000000",
- "expr": "float(vars['RowsRead'] - vars['RowsReturned']) / vars['LocalTime']",
- "message": "Filters are selective. Consider a more aggresive partitioning scheme",
- "label": "Insufficient Partitioning"
- }
- }
|