Zhanghao Chen
Zhanghao Chen
 - 名称：字节跳动 - 网站：https://www.bytedance.com/ - 使用场景：流式计算加速序列化反序列化
High version JDKs (17+) has significantly improved String encoding and decoding performance [1][2]. I'm wondering if anyone has compared the optimized version of String encoding impl with that of JDK's....
@davidradl The FLIP was abandoned for a while and it was decided later to fully drop Kryo v2 support (and hence compatibility from 1.x series) in https://lists.apache.org/thread/odhglx8tmpdt6jnorgcsvxjqjfd169x6.
@Zakelly Last time I heard that there was plan for a state migration tool. How's that going now? If the tool is available, it might not be a big issue...
@davidradl I've initiated a new [FLIP](https://cwiki.apache.org/confluence/display/FLINK/FLIP+538%3A+Support+Custom+Generic+Type+Serializer)(Dicussion thread: [https://lists.apache.org/thread/98hsjdpkcrvb9x2sc9pj9f4lkg0td2dc](https://lists.apache.org/thread/98hsjdpkcrvb9x2sc9pj9f4lkg0td2dc)) to support custom generic type serializer, so that users who used Kryo and wanted to upgrade from 1.x can continue to use...
@davidradl Those existing tests for protobuf with unknown fields are still valid, and actually act as good testcases for this PR already.
I'll add a separate testcase for unknown fields.
@flinkbot run azure
@JunRuiLee Could you help take a review?