Flink 常见问题诊断
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1. Apache Flink
ververica.cn
© Apache Flink Community China
2. Apache Flink
ververica.cn
© Apache Flink Community China
3. Apache Flink
ververica.cn
© Apache Flink Community China
4. Yarn Per-Job Detached
Apache Flink
ververica.cn
© Apache Flink Community China
5. • Processing time
• Event time
• Ingestion time
• Delay =
- event time
Apache Flink
ververica.cn
© Apache Flink Community China
6. fetch_delay=
Apache Flink
ververica.cn
© Apache Flink Community China
7. l
l
l
Apache Flink
ververica.cn
© Apache Flink Community China
8. JobManager
TaskManager
• ZK
•
•
•
GC
•
•
• Runtime
•
Apache Flink
ververica.cn
© Apache Flink Community China
9. l
l
Apache Flink
ververica.cn
© Apache Flink Community China
10. Apache Flink
ververica.cn
© Apache Flink Community China
11. Apache Flink
ververica.cn
© Apache Flink Community China
12. •
•
Apache Flink
ververica.cn
© Apache Flink Community China
13. •
•
Apache Flink
ververica.cn
© Apache Flink Community China
14. Apache Flink
ververica.cn
© Apache Flink Community China
15. Apache Flink
ververica.cn
© Apache Flink Community China
16. Apache Flink
ververica.cn
© Apache Flink Community China
17. Apache Flink
ververica.cn
© Apache Flink Community China
18. Apache Flink
ververica.cn
© Apache Flink Community China
19. Apache Flink
ververica.cn
© Apache Flink Community China
20. Apache Flink
ververica.cn
© Apache Flink Community China
21. Apache Flink
ververica.cn
© Apache Flink Community China
22. 1. /
2. Yarn -
3. -
-Taskmanager JobManager
NodeManager Decommission
4. Failover
Apache Flink
ververica.cn
© Apache Flink Community China
23. Apache Flink
ververica.cn
© Apache Flink Community China
24. •
•
•
•
•
Apache Flink
ververica.cn
© Apache Flink Community China