| Squashed commit of the following: commit 4827425146Author: chrislu <chris.lu@gmail.com>
Date:   Sat Sep 16 15:05:38 2023 -0700
    balancer works
commit3b50139f68Author: chrislu <chris.lu@gmail.com>
Date:   Fri Sep 15 22:22:32 2023 -0700
    comments
commit7f685ce7baAuthor: chrislu <chris.lu@gmail.com>
Date:   Fri Sep 15 22:20:05 2023 -0700
    adjust APIs
commit436d99443bAuthor: chrislu <chris.lu@gmail.com>
Date:   Thu Sep 14 23:49:05 2023 -0700
    receive broker stats
commitb771fefa37Merge:0a851ec00890881037Author: chrislu <chris.lu@gmail.com>
Date:   Wed Sep 13 00:03:47 2023 -0700
    Merge branch 'master' into sub
commit0a851ec00bAuthor: chrislu <chris.lu@gmail.com>
Date:   Sun Sep 10 22:01:25 2023 -0700
    Create balancer.go
commit39941edc0bAuthor: chrislu <chris.lu@gmail.com>
Date:   Thu Sep 7 23:55:19 2023 -0700
    add publisher shutdown
commit875f562779Author: chrislu <chris.lu@gmail.com>
Date:   Wed Sep 6 23:16:41 2023 -0700
    server side send response at least once per second
commit984b6c54cfAuthor: chrislu <chris.lu@gmail.com>
Date:   Wed Sep 6 23:15:29 2023 -0700
    ack interval 128
commit2492a45499Author: chrislu <chris.lu@gmail.com>
Date:   Wed Sep 6 22:39:46 2023 -0700
    ack interval
commitba67e6ca29Author: chrislu <chris.lu@gmail.com>
Date:   Mon Sep 4 21:43:50 2023 -0700
    api for sub
commit9e4f985698Author: chrislu <chris.lu@gmail.com>
Date:   Mon Sep 4 21:43:30 2023 -0700
    publish, benchmark
commitcb470d44dfAuthor: chrislu <chris.lu@gmail.com>
Date:   Fri Sep 1 00:36:51 2023 -0700
    can pub and sub
commit1eb2da46d5Author: chrislu <chris.lu@gmail.com>
Date:   Mon Aug 28 09:02:12 2023 -0700
    connect and publish
commit504ae8383aAuthor: chrislu <chris.lu@gmail.com>
Date:   Mon Aug 28 09:01:25 2023 -0700
    protoc version
commitdbcba75271Author: chrislu <chris.lu@gmail.com>
Date:   Sun Aug 27 18:59:04 2023 -0700
    rename to lookup
commitc9caf33119Author: chrislu <chris.lu@gmail.com>
Date:   Sun Aug 27 18:33:46 2023 -0700
    move functions
commit4d6c18d86fAuthor: chrislu <chris.lu@gmail.com>
Date:   Sun Aug 27 17:50:59 2023 -0700
    pub sub initial tests
commit4eb8e8624dAuthor: chrislu <chris.lu@gmail.com>
Date:   Sun Aug 27 13:14:39 2023 -0700
    rename
commit1990456670Author: chrislu <chris.lu@gmail.com>
Date:   Sun Aug 27 13:13:14 2023 -0700
    sub
commit905911853dAuthor: chrislu <chris.lu@gmail.com>
Date:   Sat Aug 26 13:39:21 2023 -0700
    adjust proto |