Hi Liam, The property you referred to corresponds to partition leadership, not ownership from consumers. See https://issues.apache.org/jira/browse/KAFKA-4084 for a discussion about why post-incident leader rebalance can sometimes impact foreground traffic.
Thanks, Alexandre Le lun. 12 avr. 2021 à 15:37, Liam Clarke-Hutchinson <liam.cla...@adscale.co.nz> a écrit : > > Ah, thanks Todd :) > > Was it causing issues back in the day of consumer rebalances always being > stop the world? I was wondering if the statement had perhaps predated the > cooperative / stick assignors we're able to run now. > > Cheers, > > Liam Clarke-Hutchinson > > > > On Tue, Apr 13, 2021 at 2:34 AM Todd Palino <tpal...@gmail.com> wrote: > > > As a note, that part of the second edition has not been updated yet. This > > setting used to cause significant problems, but more recent updates to the > > controller code have made the auto leader rebalancing usable. > > > > -Todd > > > > On Mon, Apr 12, 2021 at 10:20 AM Liam Clarke-Hutchinson < > > liam.cla...@adscale.co.nz> wrote: > > > > > Hi all, > > > > > > This question arose elsewhere, and I'm also going to fire it off to > > > O'Reilly in the hopes that they'll clarify, but on page 180 of the > > > Definitive Guide v2 > > > < > > > > > https://assets.confluent.io/m/2849a76e39cda2bd/original/20201119-EB-Kafka_The_Definitive_Guide-Preview-Chapters_1_thru_6.pdf > > > > > > > it > > > states: > > > > > > *Kafka brokers do not automatically take partition leadership back > > (unless > > > auto leader rebalance is enabled, but this configuration is not > > > recommended)* > > > > > > The original commenter raised the point that this defaults to true, and > > it > > > sounds like a good idea to have auto leader rebalancing. > > > > > > So I'm curious, in anyone's war stories or experiences, has this property > > > being enabled been harmful? From the context that the paragraph was > > written > > > in, I'm assuming the writers were perhaps intending to emphasise the > > Cruise > > > Control or Confluents self-balancing-cluster / auto-balancing features > > were > > > preferable, but in my very brief Google didn't see any advice to set > > > auto.leader.rebalance.enabled to false to use those tools. > > > > > > So yeah, just curious if this rings any bells. > > > > > > Cheers, > > > > > > Liam Clarke-Hutchinson > > > > > -- > > *Todd Palino* > > Senior Staff Engineer, Site Reliability > > Capacity Engineering > > > > > > > > linkedin.com/in/toddpalino > >