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From Sergi Vladykin <sergi.vlady...@gmail.com>
Subject Re: Geo spatial index
Date Thu, 01 Jun 2017 19:24:56 GMT
No, feel free to create one.

Sergi

2017-06-01 21:00 GMT+03:00 Denis Magda <dmagda@apache.org>:

> Good catch. I found the ticket that’s aim is to integrate the full-text
> search indexes with the virtual page memory architecture.
> https://issues.apache.org/jira/browse/IGNITE-5371 <
> https://issues.apache.org/jira/browse/IGNITE-5371>
>
> Sergi, do we have a similar one for the geo-spatial?
>
> —
> Denis
>
> > On Jun 1, 2017, at 2:12 AM, Alexey Goncharuk <alexey.goncharuk@gmail.com>
> wrote:
> >
> > Same think stays for the full-text indexes which are currently stored in
> > Lucene.
> >
> > 2017-05-24 21:56 GMT+03:00 Dmitriy Setrakyan <dsetrakyan@apache.org>:
> >
> >> Sergi,
> >>
> >> While we are figuring this out, what happens to the GeoSpatial
> >> functionality in the mean time? Is it going to work at all? If not,
> should
> >> we throw some sort of exception?
> >>
> >> D.
> >>
> >> On Wed, May 24, 2017 at 1:44 AM, Sergi Vladykin <
> sergi.vladykin@gmail.com>
> >> wrote:
> >>
> >>> Though this may require some changes in BPlusTree. Let me think.
> >>>
> >>> Sergi
> >>>
> >>> 2017-05-24 8:58 GMT+03:00 Sergi Vladykin <sergi.vladykin@gmail.com>:
> >>>
> >>>> It must not be too hard to implement kd-tree over b+tree [1].
> Depending
> >>> on
> >>>> level we have to compare either X or Y coordinate.
> >>>>
> >>>> I think we will even have a performance boost for spatial indexes
> after
> >>>> this change.
> >>>>
> >>>> [1] https://en.wikipedia.org/wiki/K-d_tree
> >>>>
> >>>> Sergi
> >>>>
> >>>> 2017-05-23 18:59 GMT+03:00 Denis Magda <dmagda@apache.org>:
> >>>>
> >>>>> +1
> >>>>>
> >>>>> This looks natural considering that we switched to the new memory
> >>>>> architecture. Sergi, how difficult is to support this?
> >>>>>
> >>>>> —
> >>>>> Denis
> >>>>>
> >>>>>> On May 23, 2017, at 4:25 AM, Sergi Vladykin <
> >> sergi.vladykin@gmail.com
> >>>>
> >>>>> wrote:
> >>>>>>
> >>>>>> Guys,
> >>>>>>
> >>>>>> Looks like we have to move our geospatial indexes to the new
> >> approach
> >>>>> with
> >>>>>> BPlusTree. Right now it stores data in Java heap. This is especially
> >>>>>> important because we are going to have a persistence layer donated
> >> by
> >>>>>> GridGain and obviously geo spatial indexes will not work with
it at
> >>> all.
> >>>>>>
> >>>>>> Sergi
> >>>>>
> >>>>>
> >>>>
> >>>
> >>
>
>

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