You can use kafka-reassign-partitions.sh to move some to new broker http://kafka.apache.org/documentation/#basic_ops_automigrate
also check leader balancing: http://kafka.apache.org/documentation/#basic_ops_leader_balancing On Thu, Nov 2, 2017 at 2:24 PM, lk_kafka <lk_ka...@163.com> wrote: > hi,all: > on my cluster , some topic Under-replicated 100% , I have 7 broker > and the topic have 7 partition ,but the topic now only use 5 broker as > leader , how can I chang it to use all the broker as leader ? > > 2017-11-01 > > > lk_kafka