Re: What is the safest way to enable authorization?

2019-05-09 Thread Devaki, Srinivas
Hi, before changing the configuration from `AllowAllAuthorizer` to `CassandraAuthorizer`, you need to grant enough permissions to the user that allow all the accessed tables by that user. I think that should fix the problem. Thanks On Thu, May 9, 2019 at 12:02 PM Laxmikant Upadhyay wrote: >

Optimizing for connections

2018-12-09 Thread Devaki, Srinivas
Hi Guys, Have a couple of questions regarding the connections to cassandra, 1. What are the recommended number of connections per cassandra node? 2. Is it a good idea to create coordinator nodes(with `num_token: 0`) and whitelisting only those hosts from client side? so that I can isolate main

Help in understanding strange cassandra CPU usage

2018-12-09 Thread Devaki, Srinivas
Hi Guys, Since the start of our org, cassandra used to be a SPOF, due to recent priorities we changed our code base so that cassandra won't be SPOF anymore, and during that process we made a kill switch within the code(PHP), this kill switch would ensure that no connection is made to the

Cassandra Upgrade Plan 2.2.4 to 3.11.3

2018-12-02 Thread Devaki, Srinivas
Hi everyone, I have planned out our org's cassandra upgrade plan and want to make sure if it seems fine. Details Existing Cluster: * Cassandra 2.2.4 * 8 nodes with 32G ram and 12G max heap allocated to cassandra * 4 nodes in each rack 1. Ensured all clients to use LOCAL_* consistency levels and