ocadaruma https://blog.hatena.ne.jp/ocadaruma/ 1954 https://ocadaruma.hatenablog.com/ Before 3.1.0, KafkaStream's stream-to-stream outer join used to produce a bit counterintuitive output. When we have stream s1, s2 with 10 seconds window, s1.leftJoin(s2) produces below output before 3.1.0: refs: kstream-kstream-join in 3.0.0 t s1 s2 leftJoin 0 {key:A,value:X} {left:X,right:null} 5 {… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Focadaruma.hatenablog.com%2Fentry%2F2023%2F01%2F29%2F130847" title="KafkaStreams outer join semantics change in 3.1.0 - 1954" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2023-01-29 13:08:47 rich https://ocadaruma.hatenablog.com/entry/2023/01/29/130847 1.0 100%