Re: Topology vs RackDC

2022-06-07 Thread Elliott Sims
ch I am trying to get to the bottom of. I am not > fully au fait with Ansible and we are also using Ans. Tower which allows > for more flexibility so here should be some practical options. > > > > *From:* Durity, Sean R > *Sent:* Thursday, June 2, 2022 7:04 PM > *To:* user@cassan

RE: Topology vs RackDC

2022-06-02 Thread Marc Hoppins
bottom of. I am not fully au fait with Ansible and we are also using Ans. Tower which allows for more flexibility so here should be some practical options. From: Durity, Sean R Sent: Thursday, June 2, 2022 7:04 PM To: user@cassandra.apache.org Subject: RE: Topology vs RackDC EXTERNAL I agree; it

RE: Topology vs RackDC

2022-06-02 Thread Durity, Sean R
@cassandra.apache.org Subject: [EXTERNAL] Re: Topology vs RackDC It really depends on how do you manage your nodes. With automation tools, like Ansible, it's much easier to manage the rackdc file per node. The "master list" doesn't need to exist, because the file is written

Re: Topology vs RackDC

2022-06-02 Thread Bowen Song
that a change in topology requires the distribution of a new file and a rolling restart. Long live the PropertyFileSnitch! 😉 Sean R. Durity *From:* Paulo Motta *Sent:* Thursday, June 2, 2022 8:59 AM *To:* user@cassandra.apache.org *Subject:* [EXTERNAL] Re: Topology vs RackDC It think topology

RE: Topology vs RackDC

2022-06-02 Thread Durity, Sean R
(slight) penalty that a change in topology requires the distribution of a new file and a rolling restart. Long live the PropertyFileSnitch! 😉 Sean R. Durity From: Paulo Motta Sent: Thursday, June 2, 2022 8:59 AM To: user@cassandra.apache.org Subject: [EXTERNAL] Re: Topology vs RackDC It

Re: Topology vs RackDC

2022-06-02 Thread Aaron Ploetz
Agree with Paulo on this one. If you're running a cluster on K8s, in the cloud, or under some other conditions in which IPs change, the cassandra-topology.properties file is going to quickly become a burden. Especially if that cluster has more than just a few nodes. Increasing your cluster from

Re: Topology vs RackDC

2022-06-02 Thread Paulo Motta
It think topology file is better for static clusters, while rackdc for dynamic clusters where users can add/remove hosts without needing to update the topology file on all hosts. On Thu, 2 Jun 2022 at 09:13 Marc Hoppins wrote: > Hi all, > > Why is RACKDC preferred for production than TOPOLOGY? >

Topology vs RackDC

2022-06-02 Thread Marc Hoppins
Hi all, Why is RACKDC preferred for production than TOPOLOGY? Surely one common file is far simpler to distribute than deal with the mucky-muck of various configs for each host if they are in one rack or another and/or one datacentre or another? It is also fairly self-documenting of the setup