FlinkFlink here spill the th sort buffer data with bytes and compressed bytes

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1.概述

flink batch sql 好几换个任务有如下打印 Flink here spill the th sort buffer data with bytes and compressed bytes

先说结论:这个是 BinaryExternalSorter是一个完全成熟的二进制格式排序器。它实现了多路归并排序。在内部,它有三个异步线程(排序、溢出、合并),它们通过一组阻塞的循环队列进行通信,

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