Re: Udon - mrallen1 (Mark Allen) · GitHub

DeadZen deadzen at deadzen.com
Sun Jul 9 17:29:22 EDT 2017


1. Yes, A lot of people use haproxy for this.
2. Would be a simple reimplementation of the get/put coordinators from riak

On Sun, Jul 9, 2017 at 5:24 PM, Russell Brown <russell.brown at icloud.com> wrote:
>
> On 9 Jul 2017, at 21:54, Lloyd R. Prentice <lloyd at writersglen.com> wrote:
>
>> Hello,
>>
>> Just finished viewing Mark Allen's excellent 2015 Riak Core presentation and have been reviewing his Udon code on GitHub.
>>
>> https://github.com/mrallen1
>>
>> Now I have two Micky-the-Dunce questions:
>>
>> 1. Assuming a web-based system similar to Udon on a cluster of five physical cores with data distributed across three virtual nodes, can one enter and access the data through any one of the five physical nodes?
>>
>> In other words, can one put a load balancer in front of the five physical nodes to enter and access data regardless of where it's ultimately stored in the cluster?
>
> Yes, usually the node that handles the request has access to both the ring (a routing table/mapping of partitions to nodes) and the hash function.
>
>>
>> 2. Can KV functionality be relatively easily built on top of Udon--- providing storage of, say, Erlang terms as well as files?
>
> I haven’t looked at Udon, but a KV store on riak core is a very common thing. There are quite a few examples out there, the largest (and most complex) being Riak itself https://github.com/basho/riak
>
>>
>> Thanks to all,
>>
>> LRP
>>
>>
>> Sent from my iPad
>>
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>
>
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