Any leads on this ? — Ankit
On Thu, Jan 16, 2020 at 8:51 PM Ankit Gadhiya <ankitgadh...@gmail.com> wrote: > Hi Arvinder, > > Thanks for your response. > > Yes - Cluster B already has some data. Tables/KS names are identical ; for > data - I still haven't got the clarity if it has identical data or no - I > am assuming no since it's for different customers but need the confirmation. > > *Thanks & Regards,* > *Ankit Gadhiya* > > > > On Thu, Jan 16, 2020 at 8:49 PM Arvinder Dhillon <dhillona...@gmail.com> > wrote: > >> So as I understand, Cluster B already has some data and not an empty >> cluster. >> >> When you say, clusters share same keyspace and table names, do you mean >> both clusters have identical data on those ks/tables? >> >> >> -Arvi >> >> On Thu, Jan 16, 2020, 5:27 PM Ankit Gadhiya <ankitgadh...@gmail.com> >> wrote: >> >>> Hello Group, >>> >>> I have a requirement in one of the production systems where I need to be >>> able to migrate entire dataset from Cluster A (Azure Region A) to Cluster B >>> (Azure Region B). >>> >>> Each cluster have 3 Cassandra nodes (RF=3) running used by different >>> applications. Few of the applications are common is Cluster A and Cluster B >>> thereby sharing same keyspace/table names. >>> Need suggestion for the best possible migration strategy here >>> considering - 1. No Application code changes possible - Minor config/infra >>> changes can be considered. 2. Zero data loss. 3. No/Minimal downtime. >>> >>> It'd be great to hear ideas from all of you based on your experiences. >>> >>> Cassandra Version - Cassandra 3.0.13 on both sides. >>> Total Data size - Cluster A: 70 GB, Cluster B: 15 GB >>> >>> *Thanks & Regards,* >>> *Ankit Gadhiya* >>> >>> -- *Thanks & Regards,* *Ankit Gadhiya*
