-Re: Message latency
Guozhang Wang 2014-02-04, 21:10
That is correct if your producer ack > 1.
On Tue, Feb 4, 2014 at 11:57 AM, Michael Popov <[EMAIL PROTECTED]> wrote:
> I am trying to understand what influences message latency in Kafka.
> According to the Kafka Replication Design document (
> 1. Writes: Once the leader receives the acknowledgment from all
> replicas in ISR, the message is committed. The leader advances the HW and
> sends an acknowledgment to the client (page 4)
> 2. Reads: Only messages up to the HW are exposed to the reader (page
> It means message latency depends on how fast followers pulled data from
> the leader and reported successful data writes.
> Is this correct?
> Thank you,
> Michael Popov