1> Is it correct that stored fields can only be sorted on if they become a
DocValue field in 5.x
no. Indexed-only fields can still be used to sort. DocValues are just more
efficient at load time and don't consume as much of the Java heap.
Essentially this latter can be thought of as moving the "u
Hi,
I am in the process of updating a large index from Lucene 4.x to 5.x and have
two questions related to the sorting order.
1. Is it correct that stored fields can only be sorted on if they become a
DocValue field in 5.x?
2. When "updating" stored fields to DocValue fields , is it required to
For now, I used LatLonPoint.newDistanceQuery(...) and
SloppyMath.haversinMeters to get the distance between center point and all
other points within 50m radius circle and sort them using Comparator.
I am able to get accurate results in < 10ms which is fine with me.
Code:
Query l
Hi,
How can we normalize BM25 scores by the query length (number of tokens) in
Lucene or elasticsearch? I can access document fields by scripting or lucene
expressions in elasticsearch
(https://www.elastic.co/guide/en/elasticsearch/reference/master/modules-scripting-expression.html)
but I could no
Thank you so much. With LatLonPoint.nearest(..), I am getting results in 6ms,
with accurate results, when I compared MongoDB.geoNear().
I also tried with LatLonPoint.newDistanceQuery, and I got results in 6ms
but the results are NOT the nearest points.
Few more questions:
Is there an API that u
To make the distance filter faster you should use LatLonPoint.
And, if you really just need the N nearest points, you could try
LatLonPoint.nearest(...) ... that might be faster than filtering + sorting
separately.
Mike McCandless
http://blog.mikemccandless.com
On Thu, Jun 29, 2017 at 12:06 PM,
Hi,
I have similar requirement of searching points within a radius of 50m.
Loaded 100M latlon, indexed/searching with LatLonDocValuesField. Currently,
I am testing it on my macbook pro.
I have tested with all Directory(RAM/FS/MMap) types, but it takes > 3-4
secs to do search/sort to return of
Hi,
I have similar requirement of searching points within a radius of 50m.
Loaded 100M latlon, indexed/searching with LatLonDocValuesField. I am
testing it on my macbook pro.
I have used all Directory(RAM/FS/MMap) types but it takes 3-4 secs to do
search/sort to return of 5 points with in rad
