Not sure if this applies only to this 0.10 version. [image: image.png] Regards.
On Fri, Feb 26, 2021 at 2:54 PM Péter Sinóros-Szabó <peter.sinoros-sz...@transferwise.com.invalid> wrote: > 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 > > > > > >