请教一下咱们flink udf怎么上传和注册的，我把自定义jar包放到lib下，然后创建:CREATE TEMPORARY SYSTEM FUNCTION arraysort AS 'com.streaming.flink.udsf.ArraySortFunction';在使用这个函数的时候，不知道...

flink hadoop 从0~1分布式计算与大数据项目实战（4）zookeeper内部原理流程简介以及java curator client操作集群注册，读取

zookeeper内部原理流程用processon画的有点大，看不清的可以放大查看流程图详解1.zookeeper 集群（至少个节点）启动后，会自动选举出一个leader,其他节点为follower 跟随节点 2.client 连接给定的单地址或者集群，连接集群时，会挑选一个可用的节点进行连接，整个...

flink的定时器只能在 processfunction才能注册吗？

flink的定时器只能在 processfunction才能注册吗 ,mapfuntion那些可以吗？

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更新时间 2024-03-10 13:36:30

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

立即开通

产品控制台

产品文档

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