We have had this issue in 0.8.x and at that time we did not investigate
it. Recently we upgraded to 0.9.0.1 and had similar issue which we
investigated and narrowed down to what's explained here
http://mail-archives.apache.org/mod_mbox/kafka-users/201604.mbox/%3C571F23ED.7050405%40gmail.com%3E.
Hi，we use kafka_2.10-0.8.2.1，and our vm machine config is：4 core，8G
our cluster is consist of three brokers，and our broker config is default 2
replica，our broker load often very high once in a while，
load is greater than 1.5 on average core。
we have about 70 topics on this cluster
when we use
