Yes, it will be queued, and the second rebalance will start right after the first one.
On Fri, Feb 21, 2014 at 8:50 AM, Yu, Libo <libo...@citi.com> wrote: > In our case, two brokers were offline. When the first broker was offline, > that would trigger a rebalance. When the second broker was offline, if the > consumers were in the process of rebalance, what do we expect? Is the > second rebalance request queued? > > Regards, > > Libo > > > -----Original Message----- > From: Guozhang Wang [mailto:wangg...@gmail.com] > Sent: Friday, February 14, 2014 7:33 PM > To: users@kafka.apache.org > Subject: Re: broker offline > > Hello Libo, > > When ZK resumes from a soft failure, like a GC, it will mark the ephemeral > nodes as session timed out, and the brokers will try to re-register upon > receiving the session timeout. You can re-produce this issue by signal > pause the ZK process. > > Guozhang > > > On Fri, Feb 14, 2014 at 12:15 PM, Yu, Libo <libo...@citi.com> wrote: > > > Hi team, > > > > We have three brokers on our production cluster. I noticed two of them > > somehow got offline and then re-registered with zookeeper and got back > > online. It seems the issue was caused by some zookeeper issue. So I > > want to know what may be the possible cases of the issue. If I want to > > reproduce the issue, is there any way to do it? Thanks. > > > > Regards, > > > > Libo > > > > > > > -- > -- Guozhang > -- -- Guozhang