# Scylla db read performance impact in Amazon Al2023 **URL:** \ **Category:** ScyllaDB\ **Tags:** performance, aws\ **Created:** [July 2, 2025, 1:37pm UTC](https://forum.scylladb.com/t/scylla-db-read-performance-impact-in-amazon-al2023/4948 "2025-07-02T13:37:02Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Ranjeet\_Kumar](https://avatars.discourse-cdn.com/v4/letter/r/97f17d/32.png) [@Ranjeet\_Kumar](https://forum.scylladb.com/u/Ranjeet_Kumar)\ **Post date:** [July 2, 2025, 1:37pm UTC](https://forum.scylladb.com/t/scylla-db-read-performance-impact-in-amazon-al2023/4948/1 "2025-07-02T13:37:03Z")
_Installation details_ #ScyllaDB version: 5.1.6 #Cluster size:12 #os (RHEL/CentOS/Ubuntu/AWS AMI):Al2023 We migrated the cluster from Al2 to Al2023.Post that we are seeing latency spike for read operations.Any suggestion in OS level tuning. ---
**Author:** ![Guy](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.scylladb.com/guy/32/9_2.png) [@Guy](https://forum.scylladb.com/u/Guy)\ **Post date:** [July 8, 2025, 5:33am UTC](https://forum.scylladb.com/t/scylla-db-read-performance-impact-in-amazon-al2023/4948/2 "2025-07-08T05:33:09Z")
As a first step, I’d recommend updating to the latest ScyllaDB version. You’re running an old version, and you might encounter issues already solved. ---
**Author:** ![nopzdk](https://avatars.discourse-cdn.com/v4/letter/n/dec6dc/32.png) [@nopzdk](https://forum.scylladb.com/u/nopzdk)\ **Post date:** [July 9, 2025, 7:44am UTC](https://forum.scylladb.com/t/scylla-db-read-performance-impact-in-amazon-al2023/4948/3 "2025-07-09T07:44:02Z")
Only the latest version of scylla supports Amazon Linux, none of the OSS versions supported Amazon Linux > **[OS Support by Linux Distributions and Version | ScyllaDB Docs](https://docs.scylladb.com/manual/stable/getting-started/os-support.html)** > > ScyllaDB is an Apache Cassandra-compatible NoSQL data store that can handle 1 million transactions per second on a single server.