big-data/flink_book
1
1
Fork 0
Code Issues 4 Pull Requests Projects 1 Releases Wiki Activity

checkpoint相关

Browse Source
This commit is contained in:
LingZhaoHui 2023-08-27 14:38:06 +08:00
parent 4b5128836e
commit 560dfce478
Signed by: zeekling
GPG Key ID: D96E4E75267CA2CC
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
basic/checkpoint.md
View File

@ -1,4 +1,16 @@
# 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
## The maximum number of queued checkpoint requests exceeded