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flink 版本 1.17.0,运行方式flink on yarn,hadoop版本 3.2.4,jobmanager内存8g,taskmanager内存4g |
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同步mysql全库的所有表,使用flink cdc,总的表有几百张,有些表数据量达到几千万,还有表的主键类型多样,不统一,有的是uuid,有的是复合主键,在执行snapshot阶段的时候,jobmanager的heap占用很大,经常跑了一段时间以后出现内存溢出,splitSize设置的16384,batchSize设置的1024,source并行度是1,请问下jobmanager的heap里存的主要是什么数据呢?应该采取些什么手段优化一下呢?
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