Omnester, Thanks a ton, will try to execute the same. I will look into that thread.
Thanks and Regards, Goutham Reddy Aenugu. On Fri, Nov 2, 2018 at 1:36 AM onmstester onmstester <onmstes...@zoho.com.invalid> wrote: > I think that is not possible. > If currently both DC's are in use, you should remove one of them (gently, > by changing replication config), then change num_tokens in removed dc, add > it again with changing replication config, and finally do the same for the > other dc. > > P.S A while ago, there was a thread in this forum, discussing that > num_tokens 256 is not a good default in Cassandra and should use a smaller > number like 4,8 or 16, i recommend you to read it through, maybe the whole > migration (from 8 to 256) became unnecessary > > Sent using Zoho Mail <https://www.zoho.com/mail/> > > > ============ Forwarded message ============ > From : Goutham reddy <goutham.chiru...@gmail.com> > To : <user@cassandra.apache.org> > Date : Fri, 02 Nov 2018 11:52:53 +0330 > Subject : Re: Re: How to set num tokens on live node > ============ Forwarded message ============ > > Onmstester, > Thanks for the reply, but for both the DC’s I need to change my num_token > value from 8 to 256. So that is the challenge I am facing. Any comments. > > Thanks and Regards, > Goutham > > On Fri, Nov 2, 2018 at 1:08 AM onmstester onmstester < > onmstes...@zoho.com.invalid> wrote: > > -- > Regards > Goutham Reddy > > > IMHO, the best option with two datacenters is to config replication > strategy to stream data from dc with wrong num_token to correct one, and > then a repair on each node would move your data to the other dc > > Sent using Zoho Mail <https://www.zoho.com/mail/> > > > ============ Forwarded message ============ > From : Goutham reddy <goutham.chiru...@gmail.com> > To : <user@cassandra.apache.org> > Date : Fri, 02 Nov 2018 10:46:10 +0330 > Subject : Re: How to set num tokens on live node > ============ Forwarded message ============ > > Elliott, > Thanks Elliott, how about if we have two Datacenters, any comments? > > Thanks and Regards, > Goutham. > > On Thu, Nov 1, 2018 at 5:40 PM Elliott Sims <elli...@backblaze.com> wrote: > > -- > Regards > Goutham Reddy > > As far as I know, it's not possible to change it live. You have to create > a new "datacenter" with new hosts using the new num_tokens value, then > switch everything to use the new DC and tear down the old. > > On Thu, Nov 1, 2018 at 6:16 PM Goutham reddy <goutham.chiru...@gmail.com> > wrote: > > Hi team, > Can someone help me out I don’t find anywhere how to change the numtokens > on a running nodes. Any help is appreciated > > Thanks and Regards, > Goutham. > > > -- > Regards > Goutham Reddy > > > > > -- Regards Goutham Reddy
