Thanks Yakir, I can already experience slow repairs and startups but I'd like to stabilize the system before jumping into refactoring (columns are not a problem, max 10/cols per table). Do you believe it's a GC problem to cause the timeouts and crashes? I'll give it a try and update this post.
Thanks, Luca On Mon, Jul 19, 2021 at 9:14 AM Yakir Gibraltar <yaki...@gmail.com> wrote: > I recommend rethinking about this design, hard to maintain, slow startup > and repair . > About GC, try to replace CMS with G1 , see doc : > https://docs.datastax.com/en/dse/6.0/dse-admin/datastax_enterprise/operations/opsTuningGcAbout.html > BTW, also many columns may affect performance, see doc: > https://thelastpickle.com/blog/2020/12/17/impacts-of-many-columns-in-cassandra-table.html > > Cheers, Yakir Gibraltar > >
