Re: Pluggable throttling of read and write queries

2017-02-22 Thread Abhishek Verma
o meet those uses >>> cases. >>> >> There have been several instances where we have moved customers out of the shared cluster to their own dedicated clusters because they outgrew our limitations. But I don't think it makes sense to move all the small use cases into their separa

Pluggable throttling of read and write queries

2017-02-17 Thread Abhishek Verma
Cassandra is being used on a large scale at Uber. We usually create dedicated clusters for each of our internal use cases, however that is difficult to scale and manage. We are investigating the approach of using a single shared cluster with 100s of nodes and handle 10s to 100s of different use ca

Bootstrapping data from Cassandra 2.2.5 datacenter to 3.0.8 datacenter fails because of streaming errors

2016-10-10 Thread Abhishek Verma
Hi Cassandra users, We are trying to upgrade our Cassandra version from 2.2.5 to 3.0.8 (running on Mesos, but that's besides the point). We have two datacenters, so in order to preserve our data, we are trying to upgrade one datacenter at a time. Initially both DCs (dc1 and dc2) are running 2.2.5