Continuous HTTP POSTs to Riak

Dave King djking at gmail.com
Thu Mar 3 18:53:50 EST 2016


You need to google 'Eventual consistency'.

- Peace
Dave


On Thu, Mar 3, 2016 at 4:23 PM, Qiang Cao <caoqiang.cs at gmail.com> wrote:

> Hi All,
>
> I use Riak as a KV store and send http requests to its REST API to update
> entries. Instead of using curl, I use Apache HttpClient to send requests.
>
> One thing bothering me is that sometimes I find the entry isn't properly
> updated after an HTTP POST/PUT. For example, if I do an HTTP GET on the
> same key immediately after an HTTP POST, the chance is good that I get a
> stale value. This happens when I continuously POST to a multi-node Riak,
> and some of the posts target the same key.
>
> Also, I find I don't have this issue if I use a single-node Riak. So I
> think something wasn't correct with my multi-node Riak cluster (I set
> "allow_mult" to false).  Any thoughts?
>
> Thanks in advance!
>
> Qiang
>
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