Hi FMH, I haven't seen these official tests and that was the reason I did these tests with the official tools. Regards
J. Steuer This item's classification is Internal. It was created by and is in property of EmbedIT. Do not distribute outside of the organization. From: FMH <fmhab...@gmail.com> Sent: Wednesday, March 19, 2025 3:14 PM To: Cassandra Support-user <user@cassandra.apache.org> Subject: [External]Cassandra 5.0: Any Official Tests Supporting 'Free Performance Gains' This message is from an EXTERNAL SENDER - be CAUTIOUS, particularly with links and attachments. Please report all suspicious e-mails to helpd...@embedit.com<mailto:helpd...@embedit.com> ________________________________ As I'm evaluating to upgrade to C* 4 or 5, one statement caught my attention for the 5 release (https://cassandra.apache.org/_/blog/Apache-Cassandra-5.0-Announcement.html): "Trie Memtables and Trie SSTables These low-level optimizations yield impressive gains in memory usage and storage efficiency, providing a "free" performance" I have only found a single doc show-casing empirical evidence for such performance gains. As per this document, compared to version 4.1, C* 5 had ... - 38% better performance and 26% better response time for write operations - 12% better performance and 9% better response time for read operations I'm just wondering if there has been any official test results supporting the claim for 'free performance'. I'm trying to corroborate the test results described above. https://www.linkedin.com/pulse/performance-comparison-between-cassandra-version-41-5-jiri-steuer-pxbtf/ ---------------------------------------- Thank you