ISR briefly shrinks then expands

2019-05-02 Thread Steven Taschuk
Our kafka broker logs show episodes where several partitions have "Shrinking ISR ..." messages followed, usually less than 2 seconds later, by corresponding "Expanding ISR ..." messages that restore the original set of brokers for all the partitions. Does anyone have any suggestions on how to inve

Re: ISR briefly shrinks then expands

2019-05-03 Thread Steven Taschuk
es, gc and memory usage on Kafka brokers? > When pause times are high kafka broker disconnects from zk. goes out of > cluster and rejoins later makes shrink and expand on isr. > > > > On May 2, 2019, at 5:39 PM, Steven Taschuk > wrote: > > > > Our kafka broke