Updated. Please let me know if you have any additional comments. Thank you!
On Thu, Sep 21, 2023 at 3:02 PM Hailey Ni <h...@confluent.io> wrote: > Hi Ron. Thanks for the response. I agree with your point. I'll make the > corresponding changes in the KIP and KAFKA-15471 > <https://issues.apache.org/jira/browse/KAFKA-15471>. > > On Thu, Sep 21, 2023 at 1:40 PM Ron Dagostino <rndg...@gmail.com> wrote: > >> Hi Hailey. No, I just looked, and zookeeper-server-stop does not have >> any facility to be specific about which ZK nodes to signal. So >> providing the ability in kafka-server-stop to be more specific than >> just "signal all controllers" or "signal all brokers" would be a bonus >> and therefore not necessarily required. But if it is easy to achieve >> and doesn't add any additional cognitive load -- and at first glance >> it does seem so -- we should probably just support it. >> >> Ron >> >> On Wed, Sep 20, 2023 at 6:15 PM Hailey Ni <h...@confluent.io.invalid> >> wrote: >> > >> > Hi Ron, >> > >> > Thank you very much for the comment. I think it makes sense to me that >> we >> > provide an even more specific way to kill individual >> controllers/brokers. >> > I have one question: does the command line for ZooKeeper cluster provide >> > such a way to kill individual controllers/brokers? >> > >> > Thanks, >> > Hailey >> > >> > On Tue, Sep 19, 2023 at 11:01 AM Ron Dagostino <rndg...@gmail.com> >> wrote: >> > >> > > Thanks for the KIP, Hailey. It will be nice to provide some >> > > fine-grained control for when people running the broker and controller >> > > this way want to stop just one of them. >> > > >> > > One thing that occurs to me is that in a development environment >> > > someone might want to run multiple controllers and multiple brokers >> > > all on the same box, and in that case they might want to actually stop >> > > just one controller or just one broker instead of all of them. So I'm >> > > wondering if maybe instead of supporting kafka-server-stop >> > > [--process.roles <value>] we might want to instead support >> > > kafka-server-stop [--required-config <name=value>]. If someone wanted >> > > to stop any/all controllers and not touch the broker(s) they could >> > > still achieve that by invoking kafka-server-stop --required-config >> > > process.roles=controller. But if they did want to stop a particular >> > > controller they could then also achieve that via kafka-server-stop >> > > --required-config node.id=1 (for example). What do you think? >> > > >> > > Ron >> > > >> > > On Thu, Sep 14, 2023 at 5:56 PM Hailey Ni <h...@confluent.io.invalid> >> > > wrote: >> > > > >> > > > Hi all, >> > > > >> > > > I would like to start the discussion about *KIP-979: Allow >> independently >> > > > stop KRaft controllers or brokers* < >> > > > >> > > >> https://cwiki.apache.org/confluence/display/KAFKA/KIP-979%3A+Allow+independently+stop+KRaft+controllers+or+brokers >> > > > > >> > > > It proposes adding an optional field "--process.roles <value>" in >> the >> > > > script to allow users to independently stop either KRaft broker >> processes >> > > > or controller processes. While in the past, all processes were >> killed >> > > using >> > > > a single script. >> > > > Please let me know if you have any questions or comments. Much >> > > appreciated. >> > > > >> > > > Thanks & Regards, >> > > > Hailey >> > > >> >