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- {
- "type": "SQLOperator",
- "node_name": "HDFS_SCAN_NODE",
- "metric_names": [
- "BytesRead"
- ],
- "exprs": [
- "max",
- "avg"
- ],
- "unit": 5,
- "rule": {
- "condition": "vars['IOBound']==True",
- "expr": "(vars['max'] - vars['avg']) / 100000000 / 5",
- "message": "Addition IO time cost by the skew (assuming 5 disks)",
- "label": "Bytes Read Skew",
- "prio": 2
- },
- "fix": {
- "fixable": false
- }
- }
|