cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Sergio <lapostadiser...@gmail.com>
Subject Re: New seed node in the cluster immediately UN without passing for UJ state
Date Fri, 14 Feb 2020 03:31:24 GMT
Thank you very much for this helpful information!

I opened a new thread for the other question :)

Sergio

Il giorno gio 13 feb 2020 alle ore 19:22 Erick Ramirez <
erick.ramirez@datastax.com> ha scritto:

> I want to have more than one seed node in each DC, so unless I don't
>> restart the node after changing the seed_list in that node it will not
>> become the seed.
>
>
> That's not really going to hurt you if you have other seeds in other DCs.
> But if you're willing to take the hit from the restart then feel free to do
> so. Just saying that it's not necessary to do it immediately so the option
> is there for you. :)
>
>
> Do I need to update the seed_list across all the nodes even in separate
>> DCs and perform a rolling restart even across DCs or the restart should be
>> happening only on the new node that I want as a seed?
>
>
> You generally want to make the seeds list the same across all nodes in the
> cluster. You want to avoid the situation where lots of nodes are used as
> seeds by various nodes. Limiting the seeds to 2 per DC means that gossip
> convergence will happen much faster. Cheers!
>
>>

Mime
View raw message