Continuous HTTP POSTs to Riak
siculars at gmail.com
Thu Mar 3 21:35:02 EST 2016
Check out RYOW semantics in this blog post, part 2 of a 4 part series , http://basho.com/posts/technical/riaks-config-behaviors-part-2/ .
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> On Mar 3, 2016, at 20:12, Qiang Cao <caoqiang.cs at gmail.com> wrote:
> Thanks, Dave! I'm aware of Riak's eventual consistency. I wonder how I can get Riak work in the way as I need. I'm in a situation where I expect the immediate GET reads the value I've just posted. And the GET request isn't sent out until the POST is done.
>> On Thu, Mar 3, 2016 at 6:53 PM, Dave King <djking at gmail.com> wrote:
>> You need to google 'Eventual consistency'.
>> - Peace
>>> 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!
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