实时计算 Flink版过期的相关内容

问答 2018-11-19 来自：开发者社区

flink state.backend是rocksdb，存储在hdfs上，经常遇到checkpoint执行不成功的情况 checkpoint超时过期的原因（设置checkpoint超时为60s）

flink程序在yarn上执行 kafka source topic分区为20 设置程序并行度为10，-yn 2 -ys 5 -ytm 26600 -yjm 5120，我看到网上有说是因为程序并行度太高导致打开的文件数太多，从而导致的在hdfs创建文件不成功，但是我的并行度设置的并不高啊，有知道原因的吗？请赐教具体报错如下：AsynchronousException{java.lang.Exc....

问答 2018-11-09 来自：开发者社区

flink将checkpoint写入到hdfs中七天之后token过期

使用flink进行实时计算的时候将checkpoint写入到hdfs中，只要是超过七天之后token自动过期 checkpoint执行不成功，但是程序正常运行，数据没有报错，就是token正常过期我们在yarn里面配置了自动续期，但是不生效，有遇到这种问题的？请赐教；报错信息如下：2018-11-09 14:06:31,421 WARN org.apache.hadoop.ipc.Clie.....

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更新时间 2024-06-16 01:41:28

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立即开通

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实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优