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Posted to user-zh@flink.apache.org by sun <13...@qq.com> on 2020/09/03 08:13:30 UTC
回复:无法从checkpoint中恢复state
啥?
------------------ 原始邮件 ------------------
发件人: "user-zh" <13162790856@163.com>;
发送时间: 2020年9月3日(星期四) 下午4:10
收件人: "user-zh"<user-zh@flink.apache.org>;
主题: Re:无法从checkpoint中恢复state
再启动服务的时候 需要指定checkpoint回复地址,你这里只是指定了做checkpint地址
在 2020-09-03 16:03:41,"sun" <1392427699@qq.com> 写道:
>你好,我有2个问题
>
>1:每次重启服务,checkpoint的目录中chk-&nbsp; 总是从chk-1开始,chk-2 ........,没有从上次的编号开始
>
>2:重启服务后,没有从checkpoint中恢复state的数据
>
>下面是我的配置,我是在本地调试的,单机
>
>
>
>final StreamExecutionEnvironment streamExecutionEnvironment = StreamExecutionEnvironment.createLocalEnvironmentWithWebUI(conf);
>
>// StateBackend stateBackend = new RocksDBStateBackend("hdfs://10.100.51.101:9000/flink/checkpoints",true);
> StateBackend stateBackend = new FsStateBackend("file:///flink/checkpoints");
>// StateBackend stateBackend = new MemoryStateBackend();
> streamExecutionEnvironment.setStateBackend(stateBackend);
>
> streamExecutionEnvironment.enableCheckpointing(1000);
> streamExecutionEnvironment.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.EXACTLY_ONCE);
> streamExecutionEnvironment.getCheckpointConfig().setMinPauseBetweenCheckpoints(500);
> streamExecutionEnvironment.getCheckpointConfig().setCheckpointTimeout(60000);
> streamExecutionEnvironment.getCheckpointConfig().setMaxConcurrentCheckpoints(1);
> streamExecutionEnvironment.getCheckpointConfig()
> .enableExternalizedCheckpoints(CheckpointConfig.ExternalizedCheckpointCleanup.RETAIN_ON_CANCELLATION);