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checkpoint相关 #29

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zeekling merged 4 commits from checkpoint into main 2023-09-03 14:13:40 +00:00
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basic/checkpoint.md
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# checkpoint 配置
| 配置名称 | 默认值 | 说明 |
|---|---|---|
| execution.checkpointing.interval | - | checkpoint的触发的时间，每个一段时间都会触发checkpoint。建议一般配置为1-10min左右 |
| execution.checkpointing.mode | EXACTLY_ONCE | EXACTLY_ONCE：保证精确一次;<br> AT_LEAST_ONCE:至少一次。建议EXACTLY_ONCE |
| execution.checkpointing.timeout | 10min| checkpoint的超时时间，建议设置长一点，30min左右 |
| execution.checkpointing.unaligned.enabled | false | 是否启用非对齐checkpoint，建议不开启 |
| | | |
# 常见报错 # 常见报错
## The maximum number of queued checkpoint requests exceeded ## The maximum number of queued checkpoint requests exceeded