flinkx1.12性能问题：mysql-hive 如何提高离线同步效率

[biandou1313]

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Description

1、数据量9000万+时，mysql同步至hive时，一是不能设置多通道，因为hive sink组件不支持 二是、需要设置fetchSize 实现可读，我设置2048000，但是同步依然很慢，大概需要4个小时 2、j机器性能很好，mysql数据库服务器也很好，我想问如何提交同步效率

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[zoudaokoulife]

@biandou1313 hdfs相关插件支持并发写入的。你这边的配置发下