Re: Increased Disk Usage After Upgrading From Cassandra 3.x.x to 4.1.3

2025-03-20 Thread Tasmaniedemon
Hi, Could you give more details about the use of tables and modeling about this single node cassandra ? Have you began to use Cassandra with 3 version or have you already migrate before from previous version ( 2.x) ? To be honest, i would suggest to use the last release avalable, and to re

Re: [External]Cassandra 5.0: Any Official Tests Supporting 'Free Performance Gains'

2025-03-20 Thread Josh McKenzie
You may find the charts on the following JIRAs interesting: https://issues.apache.org/jira/browse/CASSANDRA-17240 That covers the memtables. The combination of UCS (new

Re: Increased Disk Usage After Upgrading From Cassandra 3.x.x to 4.1.3

2025-03-20 Thread C. Scott Andreas
While it's true that COMPACT STORAGE was deprecated in Cassandra 4.0+, it was not removed. It's largely supported and works just fine for many use cases. Feedback from users indicated that removing it entirely would be disruptive because it required special effort from Cassandra users on upgrade

Re: [External]Cassandra 5.0: Any Official Tests Supporting 'Free Performance Gains'

2025-03-20 Thread Jon Haddad
I’m not sure if i shared this to the user list… I’m doing a massive series on C* 5.0 performance and how it relates to node density and cost. First post is up now. http://rustyrazorblade.com/post/2025/03-streaming/ The benefit any given feature depends on a lot of factors. Hardware and workload v

Re: Increased Disk Usage After Upgrading From Cassandra 3.x.x to 4.1.3

2025-03-20 Thread William Crowell via user
Stephane and Fabian, Good morning and thank you for your replies. Your English is fine. I just appreciate the help. Apache Cassandra was overkill for this application, and this was just something handed to me. The reason why this is an issue is because of the limited amount of disk space th

Re: Increased Disk Usage After Upgrading From Cassandra 3.x.x to 4.1.3

2025-03-20 Thread Thomas Elliott
William, Longtime listener, first time poster. Something stands out here for me. This table uses COMPACT STORAGE which is deprecated in Cassandra 4.x and it was a hold-over from the old thrift API. I'm sure that this is eliciting some gasps from the mailing list. You might actually be better s

Re: [External]Cassandra 5.0: Any Official Tests Supporting 'Free Performance Gains'

2025-03-20 Thread Brebner, Paul via user
Jon, that’s cool! Please consider submitting to Community over Code – here’s the CFP for the Performance Engineering track just up: https://www.linkedin.com/posts/paul-brebner-0a547b4_call-for-papers-for-the-7th-community-over-activity-7308439109490917376-tugf?utm_source=share&utm_medium=member_d