添加状态后端 #30

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zeekling merged 5 commits from stateBackend into main 2023-09-17 12:52:50 +00:00
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@ -140,6 +140,44 @@ Flink 为算子状态提供三种基本数据结构:
# 状态后端实现
StateBackend实现类图在1.17版本中,部分状态后端已经过期,比如:~~MemoryStateBackend~~、~~RocksDBStateBackend~~、~~FsStateBackend~~等。
![pic](https://pan.zeekling.cn//flink/basic/state/StateBackend_0002.png)
去除掉已经过期的状态后端剩余的如下所示:
![pic](https://pan.zeekling.cn//flink/basic/state/StateBackend_0003.png)
## HashMapStateBackend
## EmbeddedRocksDBStateBackend
## ChangelogStateBackend
## DeactivatedChangelogStateBackend
# 常见报错 # 常见报错
## The maximum number of queued checkpoint requests exceeded ## The maximum number of queued checkpoint requests exceeded