Sjk plus is bundled with dse, not oss. Grab it here if you need it: https://github.com/aragozin/jvm-tools
On Mon, Mar 18, 2019 at 6:38 AM Dieudonné Madishon NGAYA <dmng...@gmail.com> wrote: > Never mind : nodetool sjk help > > On Mon, Mar 18, 2019 at 9:36 AM Dieudonné Madishon NGAYA < > dmng...@gmail.com> wrote: > >> Hi, please send us result of: nodetool help sjk >> >> On Mon, Mar 18, 2019 at 9:28 AM ishib...@gmail.com <ishib...@gmail.com> >> wrote: >> >>> Hi! >>> >>> This is interesting note for me. >>> >>> We have C* 3.11.1, but ‘sjk’ still unexpected parameters for nodetool >>> utility. >>> >>> Am I missed something or ‘sjk’ available as separate rpm-package? >>> >>> >>> >>> Best regards, Ilya >>> >>> >>> ---------------- >>> Тема: Re: read request is slow >>> От: Dieudonné Madishon NGAYA >>> Кому: user@cassandra.apache.org >>> Копия: >>> >>> >>> >>> For your information,since cassandra 3.0, it includes ttop and other >>> options inside sjk >>> nodetool sjk >>> >>> https://docs.datastax.com/en/cassandra/3.0/cassandra/tools/toolsSjk.html >>> >>> >>> >>> >>> >>> >>> >>> *From:* Jon Haddad [mailto:j...@jonhaddad.com] >>> *Sent:* Saturday, March 16, 2019 5:25 PM >>> *To:* user@cassandra.apache.org >>> *Subject:* Re: read request is slow >>> >>> >>> >>> I'm guessing you're getting 100MB from the comments in the config, which >>> suggest 100MB per core. This advice is pretty outdated and should be >>> updated. >>> >>> >>> >>> I'd use 8GB total heap and 4GB new gen as a starting point. I really >>> suggest reading up on how GC works, I linked to a post in an earlier email. >>> >>> >>> >>> These are the flags you'd need to set in your jvm.options, or >>> jvm-server.options depending on the version you're using: >>> >>> >>> >>> -Xmx8G >>> >>> -Xms8G >>> >>> -Xmn4G >>> >>> >>> >>> 1 core is probably going to be a problem, Cassandra creates a lot of >>> threads and relies on doing work concurrently. I wouldn't use less than 8 >>> cores in a production environment. >>> >>> >>> ----------------------------------- >>> This message and any attachment are confidential and may be privileged >>> or otherwise protected from disclosure. If you are not the intended >>> recipient any use, distribution, copying or disclosure is strictly >>> prohibited. If you have received this message in error, please notify the >>> sender immediately either by telephone or by e-mail and delete this message >>> and any attachment from your system. Correspondence via e-mail is for >>> information purposes only. AO Raiffeisenbank neither makes nor accepts >>> legally binding statements by e-mail unless otherwise agreed. >>> ----------------------------------- >>> >>> --------------------------------------------------------------------- To >>> unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For >>> additional commands, e-mail: user-h...@cassandra.apache.org >> >> -- >> >> Best regards >> _____________________________________________________________ >> >> [image: >> https://www.facebook.com/DMN-BigData-371074727032197/?modal=admin_todo_tour] >> <https://www.facebook.com/DMN-BigData-371074727032197/?modal=admin_todo_tour> >> <https://twitter.com/dmnbigdata> <https://www.instagram.com/> >> <https://www.linkedin.com/in/dngaya/> >> >> *Dieudonne Madishon NGAYA* >> Datastax, Cassandra Architect >> *P: *7048580065 >> *w: *www.dmnbigdata.com >> *E: *dmng...@dmnbigdata.com >> *Private E: *dmng...@gmail.com >> *A: *Charlotte,NC,28273, USA >> > -- > > Best regards > _____________________________________________________________ > > [image: > https://www.facebook.com/DMN-BigData-371074727032197/?modal=admin_todo_tour] > <https://www.facebook.com/DMN-BigData-371074727032197/?modal=admin_todo_tour> > <https://twitter.com/dmnbigdata> <https://www.instagram.com/> > <https://www.linkedin.com/in/dngaya/> > > *Dieudonne Madishon NGAYA* > Datastax, Cassandra Architect > *P: *7048580065 > *w: *www.dmnbigdata.com > *E: *dmng...@dmnbigdata.com > *Private E: *dmng...@gmail.com > *A: *Charlotte,NC,28273, USA >
