We've been doing successful testing with multi-DC setups and 500 nodes per DC. However, I agree with Jon here. Certain things are easier/faster with e.g. 5x100 node clusters than 1x500 node cluster.
Cheers On Mon, Aug 21, 2017 at 10:16 AM, Jon Haddad <jonathan.had...@gmail.com> wrote: > As far as I know, those 75K nodes are not in a single cluster. If memory > serves correctly (and this article seems to indicate that it does > http://www.techrepublic.com/article/apples-secret- > nosql-sauce-includes-a-hefty-dose-of-cassandra/), you’ll see clusters of > 1,000 nodes. > > Things start to get a little hairy once you go above a couple hundred > nodes. I would rather run 5 100 node clusters than a single 500 node > cluster. In theory, once you’ve built out the tooling to manage 2 clusters > you should be able to apply it to manage 20 (reality always gets in the way > though…) > > Jon > > On Aug 21, 2017, at 9:15 AM, techpyaasa . <techpya...@gmail.com> wrote: > > Thanks lot for reply :) > > On Aug 21, 2017 6:44 PM, "Vladimir Yudovin" <vla...@winguzone.com> wrote: > >> Actually there are clusters of thousandths nodes: Some of the largest >> production deployments include Apple's, with over 75,000 nodes storing over >> 10 PB of data <http://cassandra.apache.org/> >> >> Best regards, Vladimir Yudovin, >> *Winguzone <https://winguzone.com/?from=list> - Cloud Cassandra Hosting* >> >> >> ---- On Mon, 21 Aug 2017 08:35:37 -0400 *techpyaasa . >> <techpya...@gmail.com <techpya...@gmail.com>>* wrote ---- >> >> Hi >> >> Is there any limit on having number of nodes in c* cluster. >> Right now we have c*-2.1.17 cluster with 3 DCs each DC with 3 groups & >> each group has 21 nodes. >> >> We wanted to increase the cluster capacity by adding 6 nodes per group as >> many of nodes disk usage crossed 65%. >> >> So just wanted to clarify is there any limit/drawback having huge >> cluster/too many nodes in a c* cluster >> >> Thanks in advance >> TechPyaasa >> >> >> >
