Re: Cassandra Restore Issue

2024-12-01 Thread Jeff Jirsa
3.11.2 is from Feb 2018. It’s a 6 year old release. It’s VERY hard to guess what’s happening here without a lot more info. How are you doing backups? How are you doing restores? What consistency level are you using for writes? Reads? Is the data in the sstable (can you find it with sstabledump?

Re: Cassandra Restore Issue

2024-12-01 Thread Soyal Badkur
Yes, you are right about it, we are not facing any issues while restoring data in 3.11.4. This is only happening with 3.11.2 For backup we are using following steps 1) running nodetool snapshot command on all nodes at once 2) while cluster is backup mode we take the EBS snapshot backup of that vol

Re: Cassandra Restore Issue

2024-12-01 Thread guo Maxwell
Hello, You mean 3.11.2 will have the problem of backup data loss, but 3.11.4 will not have this problem, right? Can you provide the backup and recovery steps for these two versions? If possible, it would be better to give a few examples. For example, if three data a, b, and c are inserted, and a w

Cassandra Restore Issue

2024-12-01 Thread Soyal Badkur
Hi Team, We are facing issues while restoring Cassandra backup from PROD servers to DR servers for Cassandra Version 3.11.2. When we try to read the data from both the environments to verify the data backups, we found that in DR environment data is not showing as accepted. We have to run the same

Re: Token Assignment Strategy for Single-Token Nodes with Multi-Datacenter

2024-12-01 Thread Long Pan
Thanks Jeff for the inspiring reply!