Number of DCs in Cassandra

2021-07-13 Thread Shaurya Gupta
Hi Does someone have any suggestions on the maximum number of Data Centers which NetworkTopology strategy can have for a keyspace. Not only technically but considering performance as well. In each Data Center RF is 3. Thanks! -- Shaurya Gupta

Re: Number of DCs in Cassandra

2021-07-13 Thread Erick Ramirez
You can really have as many as you need. The most unusual clusters I've worked on had about 12 DCs mostly because they had different workloads that needed to be isolated into their own DCs so one workload didn't affect another. FWIW by "workloads" I mean OLTP, analytics, reporting, etc. How many d

Re: Number of DCs in Cassandra

2021-07-13 Thread manish khandelwal
I don't think there is any restriction on the number of data centers. So technically you can add as many data centers you want. Performance depends on how you use your cluster. For example, one of your data centers could be read only, or is there traffic on all the data centers. On Wed, Jul 14,