Hi Mayuresh,

I have currently set this property to 4 and I see from the logs that it starts 
12 threads on each broker. I will try increasing it further.

Thanks
Zakee



> On Mar 13, 2015, at 11:53 AM, Mayuresh Gharat <gharatmayures...@gmail.com> 
> wrote:
> 
> You might want to increase the number of Replica Fetcher threads by setting
> this property : *num.replica.fetchers*.
> 
> Thanks,
> 
> Mayuresh
> 
> On Thu, Mar 12, 2015 at 10:39 PM, Zakee <kzak...@netzero.net> wrote:
> 
>> With the producer throughput as large as > 150MB/s to 5 brokers on a
>> continuous basis, I see a consistently high value for Replica Max Lag (in
>> millions). Is this normal or there is a way to tune so as to reduce replica
>> MaxLag?
>> As per documentation, replica max lag (in messages) between follower and
>> leader replicas, should be less than replica.lag.max.messages (currently
>> set to 5000)
>> 
>> 
>> Thanks
>> Zakee
>> 
>> 
>> 
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> 
> 
> 
> -- 
> -Regards,
> Mayuresh R. Gharat
> (862) 250-7125
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