unsubscribe
> On Apr 20, 2015, at 8:08 AM, Carlos Rolo <r...@pythian.com> wrote: > > Independent of the snitch, data needs to travel to the new nodes (plus all > the keyspace information that goes via gossip). So I won't bootstrap them all > at once, even if it is only for network traffic generated. > > Don't forget to run cleanup on the old nodes once all nodes are in place to > reclaim disk space. > > Regards, > > Carlos Juzarte Rolo > Cassandra Consultant > > Pythian - Love your data > > rolo@pythian | Twitter: cjrolo | Linkedin: linkedin.com/in/carlosjuzarterolo > <http://linkedin.com/in/carlosjuzarterolo> > Mobile: +31 6 159 61 814 | Tel: +1 613 565 8696 x1649 > www.pythian.com <http://www.pythian.com/> > On Mon, Apr 20, 2015 at 1:58 PM, Or Sher <or.sh...@gmail.com > <mailto:or.sh...@gmail.com>> wrote: > Thanks for the response. > Sure we'll monitor as we're adding nodes. > We're now using 6 nodes on each DC. (We have 2 DCs) > Each node contains ~800GB > > Do you know how rack configurations are relevant here? > Do you see any reason to bootstrap them one by one if we're not using > rack awareness? > > > On Mon, Apr 20, 2015 at 2:49 PM, Carlos Rolo <r...@pythian.com > <mailto:r...@pythian.com>> wrote: > > Start one node at a time. Wait 2 minutes before starting each node. > > > > > > How much data and nodes you have already? Depending on that, the streaming > > of data can stress on the resources you have. > > I would recommend to start one and monitor, if things are ok, add another > > one. And so on. > > > > Regards, > > > > Carlos Juzarte Rolo > > Cassandra Consultant > > > > Pythian - Love your data > > > > rolo@pythian | Twitter: cjrolo | Linkedin: > > linkedin.com/in/carlosjuzarterolo <http://linkedin.com/in/carlosjuzarterolo> > > Mobile: +31 6 159 61 814 <tel:%2B31%206%20159%2061%20814> | Tel: +1 613 565 > > 8696 x1649 <tel:%2B1%20613%20565%208696%20x1649> > > www.pythian.com <http://www.pythian.com/> > > > > On Mon, Apr 20, 2015 at 11:02 AM, Or Sher <or.sh...@gmail.com > > <mailto:or.sh...@gmail.com>> wrote: > >> > >> Hi all, > >> In the near future I'll need to add more than 10 nodes to a 2.0.9 > >> cluster (using vnodes). > >> I read this documentation on datastax website: > >> > >> http://docs.datastax.com/en/cassandra/2.0/cassandra/operations/ops_add_node_to_cluster_t.html > >> > >> <http://docs.datastax.com/en/cassandra/2.0/cassandra/operations/ops_add_node_to_cluster_t.html> > >> > >> In one point it says: > >> "If you are using racks, you can safely bootstrap two nodes at a time > >> when both nodes are on the same rack." > >> > >> And in another is says: > >> "Start Cassandra on each new node. Allow two minutes between node > >> initializations. You can monitor the startup and data streaming > >> process using nodetool netstats." > >> > >> We're not using racks configuration and from reading this > >> documentation I'm not really sure is it safe for us to bootstrap all > >> nodes together (with two minutes between each other). > >> I really hate the tought of doing it one by one, I assume it will take > >> more than 6H per node. > >> > >> What do you say? > >> -- > >> Or Sher > > > > > > > > -- > > > > > > > > > > -- > Or Sher > > > -- > > > > >
smime.p7s
Description: S/MIME cryptographic signature
