Thanks a lot guys :-) Much appreciated!
On Mon, Jul 14, 2025 at 1:39 PM Dmitry Konstantinov <netud...@gmail.com> wrote: > Hi Shalom, > > Yes, 5.0.4 is production ready. > On OS level it makes sense to start from > https://docs.datastax.com/en/dse/6.9/managing/configure/recommended-settings.html#configSetKernelParameters > > JDK: latest JDK17 build, if you are looking for low latency you can try to > use Shenandoah or ZGC instead of G1 but they can be more sensitive to > overload/load spikes > Cassandra yaml: to get the best performance by using the latest features > (such as trie memtables, direct IO commit log, etc) create your > cassandra.yaml from cassandra_latest.yaml configuration. > The default logback configuration is ok from perf point of view. > > Regards, > Dmitry > > > On Mon, 14 Jul 2025 at 11:31, Đức Nguyễn <night.fall.f...@gmail.com> > wrote: > >> Hi Shalom >> >> We are also using 5.0.4 and I can say that it's a stable version for use >> in production. We started switching from on-prem to k8s cassandra --> >> k8ssandra operator 4 years ago so the answer maybe a bit different from >> what you are looking for. >> But since you are quite familiar with it since 3.11, the general rules >> for Cassandra prod resources haven't changed much. >> 4+ cores, >> 24-32GB RAM with at least 16GB mem for heap >> Use G1GC for >16GB memory >> SSD + separate physical disk between commit log/data dir >> Turn on your audit-log (this is prod) >> One of the notable changes in my opinion are ZeroCoppy and SAI Index - >> you can look for them on the internet (Same as OS tuning setting) >> You can also pull some pre-configured image and digging the config - I >> would recommend OSS Cassandra, Datastax and k8ssandra docker repo. >> >> Regards >> Duc Nguyen >> >> >> On Mon, Jul 14, 2025 at 3:28 PM Shalom Sagges <shalomsag...@gmail.com> >> wrote: >> >>> Hi Manish, :-) >>> >>> I'm quite proficient with Cassandra. I was managing Cassandra clusters >>> for over 5 years. >>> However, I switched jobs and only several years later was I able to >>> persuade my manager to run a POC on Cassandra. :-) >>> I stopped at 3.11 and I'm sure a lot has changed since then. >>> I'd like the POC to be as optimal as possible, and that's why I wish to >>> dive into the fine tuning area such as >>> >>> - Operating System tuning (linux), Service file settings, Cassandra >>> yaml/jvm/logback tuning or anything else that may boost performance. >>> >>> >>> Thanks! >>> >>> >>> On Mon, Jul 14, 2025 at 5:48 AM manish khandelwal < >>> manishkhandelwa...@gmail.com> wrote: >>> >>>> Hi >>>> >>>> Yes 5.0.4 is stable version for use in production. You can refer >>>> https://cassandra.apache.org/doc/latest/cassandra/getting-started/production.html >>>> for production settings. >>>> >>>> Regards >>>> Manish >>>> >>>> On Sun, Jul 13, 2025 at 11:52 PM Shalom Sagges <shalomsag...@gmail.com> >>>> wrote: >>>> >>>>> Hi Everyone, >>>>> >>>>> I plan to start a POC on Cassandra 5.0.4 as a NoSQL database in our >>>>> Production environment. >>>>> I'd like to make sure it's well tuned from the start, and I wanted to >>>>> know if there are any recommendations for tuning Cassandra, such as: >>>>> >>>>> - Is 5.0.4 a stable version to use in Production? >>>>> - Operating System tuning (linux). >>>>> - Service file settings. >>>>> - Cassandra yaml/jvm/logback tuning. >>>>> >>>>> links to tuning guides would also be most welcome. >>>>> >>>>> I’d greatly appreciate any pointers you may have. >>>>> >>>>> Thanks! 🙏 >>>>> >>>> > > -- > Dmitry Konstantinov >
