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From Ahmed Eljami <ahmed.elj...@gmail.com>
Subject Re: [EXTERNAL] Re: Cluster size "limit"
Date Wed, 13 Mar 2019 18:09:14 GMT
Is not possible with an existing cluster!

Le mer. 13 mars 2019 à 18:39, Durity, Sean R <SEAN_R_DURITY@homedepot.com>
a écrit :

> If you can change to 8 vnodes, it will be much better for repairs and
> other kinds of streaming operations. The old advice of 256 per node is now
> not very helpful.
>
>
>
> Sean
>
>
>
> *From:* Ahmed Eljami <ahmed.eljami@gmail.com>
> *Sent:* Wednesday, March 13, 2019 1:27 PM
> *To:* user@cassandra.apache.org
> *Subject:* [EXTERNAL] Re: Cluster size "limit"
>
>
>
> Yes, 256 vnodes
>
>
>
> Le mer. 13 mars 2019 à 17:31, Jeff Jirsa <jjirsa@gmail.com> a écrit :
>
> Do you use vnodes? How many vnodes per machine?
>
> --
>
> Jeff Jirsa
>
>
>
>
> On Mar 13, 2019, at 3:58 PM, Ahmed Eljami <ahmed.eljami@gmail.com> wrote:
>
> Hi,
>
>
>
> We are planning to add a third datacenter to our cluster (already has 2
> datacenter, every datcenter has 50 nodes, so 100 nodes in total).
>
>
>
> My fear is that an important number of nodes per cluster (> 100) could
> cause a lot of problems like gossip duration, maintenance (repair...)...
>
>
>
> I know that it depends on use cases, volume of data and many other thing,
> but I would like that you share your  experiences with that.
>
>
>
> Thx
>
>
>
>
>
>
>
>
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