Henry, I am not sure what do you mean by "waits for the leader of partition to start up"? Leader election should not affect leader - follower starting up process.
Guozhang On Thu, Nov 2, 2017 at 4:56 PM, Henry Cai <h...@pinterest.com.invalid> wrote: > We were on kafka 0.10.2.1. We tried to switch from unclean leader election > to clean leader election and found it became very difficult to start up the > whole cluster. > > It seems the hosts went into a deadlock situation during startup > - broker A was a follower on partition 1 and waits for the leader of > partition 1 (which is broker B) to start up > - broker B was a follower on partition 2 and waits for the leader of > partition 2 (which is broker A) to start up > > We found there are quite a few deadlock related bugs fixed in 0.11 or > later, do we have to upgrade our kafka version to use clean leader > election? > -- -- Guozhang
