In general this is expected. Consumers generally read from the OS cache and
so they do no I/O. However a slow consumer may fall out of this cached
portion of the log and do real reads. These reads will compete with writes
for disk bandwidth.
However what is puzzling is that you mention that other
Hi Guozhang,
The throughput refers to the broker side throughput. The peak time
throughput of broker for the topic is around (9-10 MBps) but with slow
consumers the throughput went down to 5-6 MBps.
I consume data using a consumer group. Consumer group needs 5 consumers to
consume the entire data
Hello Abhinav,
When you say "slow consumer set on topic1", do you mean you have a consumer
group consuming from topic1, with one of them slow, or do you mean all
consumers are slow in that group, or do you use a simple consumer? When you
say "throughput", do you mean consumer side throughput, or b