[Tarantool-patches] [PATCH] replication: list anonymous replicas in box.info.replication

Konstantin Osipov kostja.osipov at gmail.com
Thu Apr 23 17:06:04 MSK 2020


* Serge Petrenko <sergepetrenko at tarantool.org> [20/04/23 16:05]:
> A new field is added to replica info in `box.info.replication` output:
> `anon`. The field is boolean and set to `true` for anonymous replicas
> and to `false` for normal replicas.
> 
> Also now anonymous replicas are listed in `box.info.replication`
> together with normal ones, so it's easier to track their connection
> state. Anonymous replicas occupy table slots past the biggest-id normal
> replica. Example:
> ```
> ...
>   replication:
>     1:
>       id: 1
>       uuid: 326eb713-1b79-4b43-9b48-661314260c61
>       lsn: 4
>       anon: false
>     2:

^^^^^^^ This is not an ordinal number, it's server id.

An anonymous replica doesn't have server id.

Why do you think assigning an unused id is a good idea? This will
break monitoring which may rely on server id being stable.

-- 
Konstantin Osipov, Moscow, Russia


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