Re: migrating driver from 3.4 to 4.9

2020-10-26 Thread Erick Ramirez
Yes, Java driver 4 is not binary-compatible with older versions. Our recommendation is that you upgrade to the latest version instead of re-coding your app for an older version. If you run into issues with the older version, you will have to upgrade anyway to get the fix. Java driver v3.4 was relea

Re: reducing RF wen using token allocation algorithm

2020-10-26 Thread Erick Ramirez
Your approach is correct although I'd make sure that your repairs are current and successful before running cleanups. FWIW it doesn't really have anything to do with the token allocation algorithm. Cheers!

reducing RF wen using token allocation algorithm

2020-10-26 Thread onmstester onmstester
Hi, I've set up cluster with: 3.11.2 30 nodes RF=3,single dc, NetworkStrategy Now i'm going to reduce rf to 2, but i've setup cluster with vnode=16 and allocation algorithm(allocate_tokens_for_keyspace) for the main keyspace (which i'm reducing its RF), so is the procedure still be 1. alter

RE: reverse paging state

2020-10-26 Thread Manu Chadha
Hi Alex If I implement pagination as suggested by your answer in https://stackoverflow.com/questions/50168236/cassandra-pagination-inside-partition/50172052#50172052, would I be able to mix the `doable` approach and standard pagination approach? For eg. Say I have 5 records belonging to the sa

migrating driver from 3.4 to 4.9

2020-10-26 Thread Manu Chadha
I am considering migration my application Cassandra Java driver from 3.4 to 4.9. Are there breaking changes between 3.4 and 4.9 (I expect so to be honest but I want to get a feel of how much effort there might be). I want to implement backward paging feature in my application. I can either impl