Re: Need assistance for replication sync issue

On 10/19/23 05:08, Veerendra Pulapa wrote:
> Hello,
>
> I need some help with a database issue we’re facing. We have a situation
> where our primary data center and our disaster recovery site are far
> apart, and this long distance is causing delays in keeping our data
> synchronized. It’s become a problem as we want our data to be as
> up-to-date as possible.
>
> Do you have any suggestions for dealing with this kind of situation? We’ve
> tried a few things, but we’re still struggling with the replication delays
> caused by the high latency between the sites.
>
> Note: Bandwidth is very low and latency is very high.
>
> I’d appreciate any advice you can provide.

/Never/ use /synchronous/ replication over a WAN.  Not only because
"physics", as Laurenz mentions, but also because WAN links can be /slow/,
and break more often than LAN links.

Thus, use "async" replication instead.

--
Born in Arizona, moved to Babylonia.