Re: How do you manage cluster replication and failover ?

Replication manager is a choise.

/Poul

2017-04-07 14:36 GMT+02:00 stevenchang1213 <stevenchang1213(at)gmail(dot)com>:

>
> hi robin,
>
> All ur words is just one thing - pgpool II.
> The project also contains Admin UI.
> U can download and try it.
>
> steven
>
> -------- 原始訊息 --------
> 自： Robin LUCBERNET <rlucbernet(at)maltem(dot)com>
> 日期： 2017/4/6 17:17 (GMT+08:00)
> 至： pgsql-admin(at)postgresql(dot)org
> 主旨： [ADMIN] How do you manage cluster replication and failover ?
>
> Hello,
>
>
> We are currently trying to setup a multi hosts databases cluster with
> goals:
> * replication (no data-loss is "required", replication timing do not
> needs to be instant)
> * failover
> * load-balancing (bonus)
>
>
> We tried:
> * synchronious replication (pgpool replication mode) + load-balancing
> (pgpool) : very interesing as we can theorically failover on any node at
> any moment. But even after several configuraation tweeks, we never succeed
> getting good write performance.
> * asynchronious replication (postgres 9.6 streaming replication) : good
> write performance, good replication timings (< 1 second for small
> transactions). We could loadbalance select requests using pgpool.
>
>
> How do you manage your postgresql clusters ? Do you use pgpool ? pgbouncer
> ? other ?
> How do you manage to single access point ? usign pgpool ? pgbouncer ?
> Do you use streaming replication ? WAL archiving ? How do you handle to
> automatic failover ?
>
>
> Robin
>

--
Med venlig hilsen / Best regards
Poul Kristensen
Linux-OS/Virtualizationexpert and Oracle DBA