擅长:python、mysql、java
<p>我觉得奇怪的是要计算无限集合的元素。我的第一感觉是,永远不要去追全球之窗,因为梁等待着无限的收藏结束。。。只是你在执行一个触发器。在</p>
<p>在文档中挖掘,<a href="https://beam.apache.org/documentation/programming-guide/#windowing-basics" rel="nofollow noreferrer">I found this</a></p>
<blockquote>
<p>Set a non-default trigger. This allows the global window to emit results under other conditions, since the default windowing behavior (waiting for all data to arrive) will never occur</p>
</blockquote>
<p>我是对的,有了触发器,结局永远不会发生,它是无限的,无限的。在</p>
<p>你有没有试着跳过窗口直接统计全局?在</p>