rows_read_skew.json 329 B

123456789101112131415161718
  1. {
  2. "type": "SQLOperator",
  3. "node_name": "HDFS_SCAN_NODE",
  4. "metric_names": [
  5. "RowsRead"
  6. ],
  7. "exprs": [
  8. "max",
  9. "avg"
  10. ],
  11. "unit_id": 0,
  12. "rule": {
  13. "expr": "(vars['max'] - vars['avg']) / 40.0 * 1000",
  14. "message": "The skew (max-avg) in rows processed",
  15. "label": "Rows Read Skew",
  16. "prio": 2
  17. }
  18. }