Yes, we have planned to implement optimized sorting but haven't gotten
around to it yet. I was relying on the default decorator for the time
being. So we should all migrate to ContentDataStore soon?
On Sat, Oct 18, 2014 at 11:39 AM, Andrea Aime <andrea.a...@geo-solutions.it>
wrote:
> On Sat, Oct 18, 2014 at 4:54 PM, Anthony F <afc...@gmail.com> wrote:
>
>> It is a GeoMesa data store. I have worked around it for now by
>> implementing the sort down in the specific data store. What is the
>> standard path for a GeoServer DataStore?
>>
>
> Extending ContentDataStore (we are going to remove AbstractDataStore in
> the next six months to a year anyways, at least that's what Jody was
> saying in Portland during FOSS4G, just need to find the time to rewrite
> MemoryDataStore).
>
> I've just implemented a fix for the issue you reported, but it can only be
> partial, as I don't have the original query available
> in the sorting feature collection, and the classes that are using it don't
> have it either. So it will use the system defaults,
> and if none are set, use 1000, but you cannot set a different threshold
> per query like in ContentDataStore.
> http://jira.codehaus.org/browse/GEOT-4924
>
> Btw, normally the best thing, when possible, is to have the store itself
> do the sorting, I guess GeoMesa does not have fast sorting
> abilities? If I remember correctly it's based on a map-reduce setup, can't
> you have the computation nodes do a sortì
> before sending the main node the data, and then merge-sort them in the
> reduce part of map-reduce?
>
> Cheers
> Andrea
>
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