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问答 2024-07-03 来自：开发者社区

对于Flink CDC，从库全量数据读取时，scan.startup.mode这个参数该用哪个？

对于Flink CDC，从库全量数据读取时，scan.startup.mode这个参数该用哪个，我现在用“initial”，但发现并没有全量读取？

问答 2024-03-19 来自：开发者社区

flink-cdc-mysql2.3和2.4能支持只做全量查询，然后结束任务吗？有这种参数配置吗？

问答 2023-10-22 来自：开发者社区

Flink CDC全量采集oracle的表时，每秒只能采集5000条数据，有什么参数优化吗？

Flink CDC全量采集oracle的表时，每秒只能采集5000条数据，而kafkaconnect采集可到达到每秒30000条数据，有什么参数优化吗？

问答 2023-08-29 来自：开发者社区

Flink CDC全量初始化，每秒才 3000 条，好慢，不知道调那个参数，可以快一些？

问题1：Flink CDC全量初始化，每秒才 3000 条，好慢，不知道调那个参数，可以快一些？问题2：加了变化不大，用datax达10几万每秒，估计那个地方没调好

问答 2023-08-17 来自：开发者社区

flink 数据全量数据同步太慢什么原因？入库速度太慢？参数配置已经是最优，

USE CATALOG flink-test;CREATE TEMPORARY TABLE flink_datagen_sourcet_temp( dep_id INTEGER ,cus_id INTEGER ,bra_id INTEGER ,dept_id INTEGER ,status INTEGER ,PRIMARY KEY (dep_id)...

问答 2023-05-14 来自：开发者社区

Flink CDC同步全量数据太慢了，除了调大并行度，还要那些参数可调？

Flink CDC同步全量数据太慢了，除了调大并行度，还要那些参数可调？调大 chunk size 有有用吗？

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更新时间 2024-07-04 09:45:39

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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

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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