All Questions
25 questions
1
vote
0
answers
55
views
Preserving Field Order in Elasticsearch _source Retrieval?
I'm working with Elasticsearch and have encountered an issue with the order of fields within nested objects when retrieving documents using _source.
{
"student_id": "123",
&...
- 23
1
vote
0
answers
133
views
How does Elasticsearch/Lucene achieve such performance when querying multiple fields?
According to the answer given here, Elasticsearch doesn't seem to use compound indexes for querying multiple fields, and instead queries multiple indexes and then intersects the results.
My question ...
1
vote
1
answer
1k
views
Elastic Search - How to update mapping field from keyword to text
{
"properties":{
"device":{
"type":"object",
"properties":{
"id":{
"type":&...
- 1,046
0
votes
1
answer
538
views
What is the best way to update cache in elasticsearch
I'm using elasticsearch index as a cache table.
My document structure is the following:
{
"mappings": {
"dynamic": False,
"properties": {
...
- 311
0
votes
0
answers
81
views
Getting dirty results with ngram analyzer for highlight search
Hi I am using ngram with min length 1 and max length 100 and I am fetching the document and highlight the field from document . Now when i am getting the result from ES it has some random document ...
- 23
1
vote
1
answer
950
views
Elastic search give priority to starts with match
I am using elasticsearch 6.8 version for document indexing and I have this requirement when searching. I have created an index with the following settings.
{
"settings": {
"number_of_shards": 3,
"...
- 439
0
votes
1
answer
1k
views
Create index in elasticsearch with different document types
I need to index CLIENT entity in elastic. My object CLIENT consists of few segments (JSON documents) like
COMMON (firstname, lastname etc),
EDUCATION (fields...),
JOB (fields...) and so on.
So my ...
- 43
0
votes
0
answers
105
views
Dbpedia indexing for named entity linking (chatbot)
I'm working on a project for a chatbot. The chatbot must answer users' questions using dbpedia, and was initially trained with the IBM watson assistant service. However, in this service it is ...
- 1
2
votes
1
answer
755
views
How to index mixed language contents on Elasticsearch?
How to index mixed language contents in Elasticsearch. Let's say that we have a system where people submit contents from various parts of the world. Countries ranges from US, Canada, Europe, Japan, ...
- 646
1
vote
2
answers
893
views
Where to store data for a search index?
I'm building a search index (Elasticsearch) for existing data in a relational database. Is it common to have duplicated in both the relational database as well as the search index? Or should it just ...
- 553
0
votes
1
answer
1k
views
Elastic search index on all attributes?
I am new to elastic search(ES) and have gone through basic tutorials like
this mykong tutorial
I have question on create part of any document
CREATE Operation Example
To insert a new Document with /...
- 5,806
3
votes
1
answer
1k
views
How disable base64 storing for ingest-attachment elasticsearch plugin?
The documentation shows example about how store base64 documents into elasticsearch via ingest-attachment plugin. But after this I got that elasticsearch index contains parsed text and base64 field ...
- 33.3k
23
votes
1
answer
9k
views
Full text search(Postgres) Vs Elastic search
Read Query
In Posgres, Full text indexing allows documents to be preprocessed and an index saved for later rapid searching. Preprocessing includes:
Parsing documents into tokens.
Converting tokens ...
0
votes
1
answer
1k
views
Search across _all field in Elastic and return results with highlighting
I am using Elastic 5.4 and wanted to query across index containing documents of multiple types.(type a and type b). Below are example documents in the index:
Documents:
{
"_index": "test",
"...
- 189
1
vote
1
answer
705
views
How to exclude unrelated search results from django-haystack and Elasticsearch?
I'm trying to search for products based on their keywords. My haystack index is as follows:
class ProductIndex(indexes.SearchIndex, indexes.Indexable):
name= indexes.CharField(model_attr='name')
...
- 61
1
vote
0
answers
47
views
Best way to compose MongoDB with ElasticSearch
I'm working on a new version of a project, so i have a lot of old data that should i migrate to the new version. The old version developed with PHP+MySql, and the new one is with MEAN.
Now i want to ...
- 1,453
0
votes
1
answer
118
views
index and searchs analysers in elastic search: troubles in hitting exact string as first result
I am doing tests with elastic search in indexing wikipedia's topics.
Below my settings.
Results I expect is to have first result matching the exact string - especially if string is made by one word ...
- 1,741
0
votes
1
answer
778
views
Why isn't Elasticsearch detecting my custom made analyzer?
I made an index "user-name" with a custom made analyzer called 'autocomplete':
client.indices.create({
index: 'user-name',
type: 'text',
settings: {
analysis: {
filter: {
...
- 2,351
0
votes
1
answer
1k
views
How to update an index with new variables in Elasticsearch?
I have an index 'user' which has a mapping with field of "first", "last", and "email". The fields with names get indexed at one point, and then the field with the email gets indexed at a separate ...
- 2,351
0
votes
1
answer
3k
views
How to get the last update of the index in elasticsearch
How can I find datetime of last update of the elsasticsearch index?
Elasticsearch index last update time I tried to follow the example , but nothing happened .
curl -XGET 'http://localhost:9200/_all/...
- 411
0
votes
0
answers
348
views
Elastic Search (NEST) cannot search documents content (PDF, MS Office, txt)
I am using "Nest" Elastic Search to index my documents. everything is working normally: indexing and retrieve Documents.
I need to search the content of any document type, i installed the "mapper ...
- 8,216
0
votes
2
answers
639
views
Do voltDB or NuoDB need ElasticSearch?
Currently I am working in a project that use PostgreSQL + ElasticSearch. However I recently found VoltDB, and I was wondering if we still need ElasticSearch for doing searches with VoltDB.
If I am ok,...
- 2,524
1
vote
0
answers
359
views
How should I index my data in ElasticSearch to solve this situation?
I'm building a search engine for a game (path of exile). In this game, items have sockets.
items can have from 0 to 6 sockets
some sockets can be linked
there are 3 types of sockets (Red, Green, Blue)...
- 21.9k
1
vote
1
answer
568
views
ElasticSearch mapping for nested enumerable objects (i18n)
I'm at a loss as to how to map a document for search with the following structure:
{
"_id": "007ff234cb2248",
"ids": {
"source1": "123",
"source2": "456",
"source3": "789"
}
"...
- 6,370