Hi, No, CPU increase shouldn't be there. Upgrades usually bring lower CPU usage.
And yes, I followed the upgrade protocol as it is described in the documentation, I got the CPU increase when I upgraded the 1st instance as the first step. Cheers, Peter On Fri, 26 Feb 2021 at 18:35, Jhanssen Fávaro <jhanssenfav...@gmail.com> wrote: > Hi Peter, > I am on the same, a lot of questions about the Kafka's upgrade process. But > looks like tha this CPU Increase is expected, at least while you don't > finish every broker upgrade. > > In this case, when you say you didn't change the version, you say that for > any brokers right ? > > Basically, you should upgrade the binaries in every broker, but before the > restart, change its configuration to reflect your old version. > > - inter.broker.protocol.version=2.4.1 > - log.message.format.version=2.4.1 > > And so, after you finish every host/broker binary upgrade > and clients(consumers/producers upgrades its .jars/library versions to > 2.6.1) you should just put a comment on those lines versions(log and > inter.broker.vesion) for each of the brokers and restart one by one. > > Thats what I understood reading the documentation: > > https://kafka.apache.org/documentation/#upgrade > > Best Regards! > > > On Fri, Feb 26, 2021 at 2:19 PM Péter Sinóros-Szabó > <peter.sinoros-sz...@transferwise.com.invalid> wrote: > > > Hi, > > > > I just upgraded from Kafka 2.4.1 to 2.6.1 and I see huge CPU usage on the > > broker after the upgrade. Upgrade in this case means that I only bumped > the > > broker version on 1 of the brokers out of the 6 and didn't change the > > protocol or message format versions. Before the upgrade, it used about > 35% > > CPUs. After the upgrade it uses 200% but if I add two more CPUs to the > > host, it is happy to use about 350%. > > > > I tried 2.5.1 and 2.7.0 versions too. All of those versions show the > same. > > > > Any idea what may be wrong? > > > > Thanks, > > Peter > > >
