BTW regarding latency:
https://engineering.linkedin.com/kafka/benchmarking-apache-kafka-2-million-writes-second-three-cheap-machines

Marko Bonaći
Monitoring | Alerting | Anomaly Detection | Centralized Log Management
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On Mon, Sep 5, 2016 at 7:13 PM, Marko Bonaći <[email protected]>
wrote:

> Hi Gauri,
> I'll take a stab at your questions (others will undoubtedly correct me if
> I'm wrong).
>
> Kafka does work over TCP (what else :)
> No format expectations (binary).
> End to end latency depends on various parameters, like network, memory,
> but it is (if you consume straight away; i.e. no consumer lag; i.e. lag can
> fit in the OS page cache so you're not even hitting disk when consuming)
> measured in low 10s of ms.
> No read replicas. You only read from partition's master. I.e. replicas are
> used to achieve redundancy.
>
>
> Marko Bonaći
> Monitoring | Alerting | Anomaly Detection | Centralized Log Management
> Solr & Elasticsearch Support
> Sematext <http://sematext.com/> | Contact
> <http://sematext.com/about/contact.html>
>
> On Mon, Sep 5, 2016 at 9:17 AM, Gauri Padbidri <[email protected]
> > wrote:
>
>> Hi All,
>>
>>
>>
>> I am very new to Kafka. I am still on the verge of deciding the platform
>> to
>> choose between Kafka and Kinesis for our requirement. Also it may take me
>> more time to come up with a full proof answer, hence thought of
>> parallelizing my search. Following are a few queries around Kafka :
>>
>>
>>
>> .         Does Kafka support sending Streaming Records over raw TCP ?
>>
>> .      Does Kafka expect the packet to be BASE 64 encoded ?
>>
>> .      How much egress and ingress capacity does Kafka support per
>> Partition
>> ?
>>
>> .      We would be using Kafka for ONLY FOR Data Ingest, do read replicas
>> exist for Partitions and if they get replicated to other nodes in the
>> Kafka
>> cluster?
>>
>>
>>
>> Having these queries answered will help me a lot to freeze on Kafka. Look
>> forward to your quick response. Thanks !
>>
>>
>>
>> Best Regards,
>>
>> Gauri Padbidri
>>
>>
>

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