WebAug 26, 2024 · cdc 开发主要就是写 sql (flink sql),借助 flink 各种连接器 ,快速同步数据 sink 到各个地方,确实使用 方便 借助 checkpoint 可以 保证 事务操作 的精确 一次 操作(这个叼)。. flinksql 上手很容易 但是有个大坑,就是 如果 job 多了 很耗 数据库连接 和多次 重复读 bin日志 ... WebJan 11, 2024 · Resuming Interrupted Snapshot in Flink CDC for Incremental Data Migration from MySQL to StarRocks. If the previous snapshot is interrupted, How to resume the …
Flink on TiDB: Reliable, Convenient Real-Time Data Service
WebJan 11, 2024 · If the previous snapshot is interrupted, How to resume the snapshot in Flink CDC without using checkpoint? About 2 billion data are being migrated through Flink CDC from MySQL to StarRocks. The query is performed without the splitEnd value leaving about 100 million, resulting in a timeout. WebApr 10, 2024 · 本篇文章推荐的方案是: 使用 Flink CDC DataStream API (非 SQL)先将 CDC 数据写入 Kafka,而不是直接通过 Flink SQL 写入到 Hudi 表,主要原因如下,第一,在 … small garden bathroom
Resuming Interrupted Snapshot in Flink CDC for Incremental …
WebTo enable checkpointing, call enableCheckpointing (n) on the StreamExecutionEnvironment, where n is the checkpoint interval in milliseconds. Other parameters for checkpointing include: checkpoint storage: You can set the location where checkpoint snapshots are made durable. By default Flink will use the JobManager’s … WebCheckpoints vs. Savepoints # Overview # Conceptually, Flink’s savepoints are different from checkpoints in a way that’s analogous to how backups are different from recovery logs in traditional database systems. The primary purpose of checkpoints is to provide a recovery mechanism in case of unexpected job failures. A checkpoint’s lifecycle is … WebApr 10, 2024 · 2.4 Flink StatementSet 多库表 CDC 并行写 Hudi. 对于使用 Flink 引擎消费 MSK 中的 CDC 数据落地到 ODS 层 Hudi 表,如果想要在一个 JOB 实现整库多张表的同步,Flink StatementSet 来实现通过一个 Kafka 的 CDC Source 表,根据元信息选择库表 Sink 到 Hudi 中。但这里需要注意的是由于 ... small garden arches metal