bytes_read_skew.json 425 B

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  1. {
  2. "type": "SQLOperator",
  3. "node_name": "HDFS_SCAN_NODE",
  4. "metric_names": [
  5. "BytesRead"
  6. ],
  7. "exprs": [
  8. "max",
  9. "avg"
  10. ],
  11. "unit": 5,
  12. "rule": {
  13. "condition": "vars['IOBound']==True",
  14. "expr": "(vars['max'] - vars['avg']) / 100000000 / 5",
  15. "message": "Addition IO time cost by the skew (assuming 5 disks)",
  16. "label": "Bytes Read Skew",
  17. "prio": 2
  18. },
  19. "fix": {
  20. "fixable": false
  21. }
  22. }