Re: Udon - mrallen1 (Mark Allen) · GitHub

Lloyd R. Prentice lloyd at writersglen.com
Sun Jul 9 18:12:09 EDT 2017


Wow!

Two invaluable replies within 30 minutes.

You guys are the best. 

Now I've got to dig in deep to see if I can turn fantasy into reality.

All the best,

Lloyd

Sent from my iPad

> On Jul 9, 2017, at 5:29 PM, DeadZen <deadzen at deadzen.com> wrote:
> 
> 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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