[GitHub] [pulsar] dragon-zhang commented on issue #15399: Does plusar support key-shared producer?

[GitBox <gi...@apache.org>]

dragon-zhang commented on issue #15399:
URL: https://github.com/apache/pulsar/issues/15399#issuecomment-1114099658

   For example, there are topic 1(this topic has only 1 partition) and 5 messages:
   1. message1、2、3 with `key1`;
   2. message4、5 with `key2`;
   
   There is no need to guarantee the "global order" of key1 messages and key2 messages, the global order such as `1 2 3 4 5`.
   
   But need to guarantee the order of key1 messages and key2 messages, examples of qualified message sequences are as follows:
   4 5 1 2 3
   4 1 5 2 3
   4 1 2 5 3
   4 1 2 3 5
   1 4 2 3 5
   1 4 2 5 3
   
   see? 4 is always before 5, and 1、2 is always before 3.


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