Re: How to elect a normal node to a seed node

2020-02-12 Thread Voytek Jarnot
>This means that from the client driver perspective when I define the contact points I can specify any node in the cluster as contact point and not necessary a seed node? Correct. On Wed, Feb 12, 2020 at 11:48 AM Sergio wrote: > So if > 1) I stop the a Cassandra node that doesn't have in the

Re: How to elect a normal node to a seed node

2020-02-12 Thread Alexander Dejanovski
Seed nodes are special in the sense that other nodes need them for bootstrap (first startup only) and they have a special place in the Gossip system. Odds of gossiping to a seed node are higher than other nodes, which makes them "hubs" of gossip messaging. Also, they do not bootstrap, so they won't

Re: How to elect a normal node to a seed node

2020-02-12 Thread Sergio
So if 1) I stop the a Cassandra node that doesn't have in the seeds IP list itself 2) I change the cassandra.yaml of this node and I add it to the seed list 3) I restart the node It will work completely fine and this is not even necessary. This means that from the client driver perspective when I

Re: How to elect a normal node to a seed node

2020-02-12 Thread Arvinder Dhillon
I believe seed nodes are not special nodes, it's just that you choose a few nodes from cluster that helps to bootstrap new joining nodes. You can change Cassandra.yaml to make any other node as seed node. There's nothing like promotion. -Arvinder On Wed, Feb 12, 2020, 8:37 AM Sergio wrote: > Hi

How to elect a normal node to a seed node

2020-02-12 Thread Sergio
Hi guys! Is there a way to promote a not seed node to a seed node? If yes, how do you do it? Thanks!