You can run with a single node zookeeper cluster also.
See
http://zookeeper.apache.org/doc/r3.3.4/zookeeperStarted.html#sc_InstallingSingleMode
Cheers,
Erik.
Op 9 okt. 2014, om 22:52 heeft S Ahmed <[email protected]> het volgende
geschreven:
> I want kafka features (w/o the redundancy) but don't want to have to run 3
> zookeeper instances to save $$.
>
> On Thu, Oct 9, 2014 at 2:59 PM, Jun Rao <[email protected]> wrote:
>
>> This may not be easy since you have to implement things like watcher
>> callbacks. What's your main concern with the ZK dependency?
>>
>> Thanks,
>>
>> Jun
>>
>> On Thu, Oct 9, 2014 at 8:20 AM, S Ahmed <[email protected]> wrote:
>>
>>> Hi,
>>>
>>> I was wondering if the zookeeper library (zkutils.scala etc) was designed
>>> in a more modular way, would it make it possible to run a more "lean"
>>> version of kafka?
>>>
>>> The idea is I want to run kafka but with a less emphasis on it being
>>> durable with failover and more on it being a replacement for a standard
>>> queue like kestrel.
>>>
>>> This way you could take advantage of how the other aspects of Kafka
>>> (permanent log, etc etc.)
>>>
>>> I was just thinking if the zookeeper access was wrapped in something
>> like:
>>>
>>> class DiscoverService
>>>
>>> def electLeader ..
>>> def getFollower ...
>>>
>>> (I'm just making those methods up, but you get the point they are simply
>>> the same calls zkutils etc. will be making to connect to zookeeper)
>>>
>>> Now the idea is, if you don't want to dedicate 3 servers to run
>> zookeeper,
>>> you could create your own implementation that e.g. returns data based on
>> a
>>> configuration file that is static and not a discover service like
>>> zookeeper.
>>>
>>> Would wrapping the zookeper calls into a plugable/swapable service make
>>> sense and allow you to still use Kakfa at a smaller scale or would this
>> not
>>> work for other reasons that I am overlooking?
>>>
>>
