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Questions tagged [elasticsearch]

A distributed full text search database, which internally uses Lucene.

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How can you handle internationalized queries with Elastic Search?

What functionality in elastic search would help query for a word spelled "Serialised" (-ised as spelled in the UK) with the Americanized version "Serialized" (-ized as spelled in ...
Evan Carroll's user avatar
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Investigate an elasticsearch becoming slow 3h a day outside business hours

The latency for all elastic search operations goes from 0.1s to 2s. This is happening during 2 or 3 hours outside of our business hours. The business hours take 100rpm, outside business hours take ...
Slim's user avatar
  • 249
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How to expand storage in Single node Elasticsearch

We need to increase storage capacity for Elasticsearch working on a Single CentOS node. Even if Elasticsearch support multiple path I don't think it's useful and they also suggest not to use it. Other ...
mediocre's user avatar
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1 vote
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How to use things like Elasticsearch, Meilisearch, etc. alongside a main database (e.g. PostgreSQL)?

I could be missing something obvious because this seems like a fairly basic question, but I haven't been able to find any explicit guidance anywhere on how to integrate Meilisearch/Elasticsearch with ...
Arad Alvand's user avatar
1 vote
0 answers
40 views

Disabling SSL in ElasticSearch and enrolling new nodes

I am trying to start an elasticsearch container with SSL disabled as I want it to be hosted at http://localhost:9200 (not https). With this I want the ability to enroll new nodes. But as I disable the ...
Tanmay Sharma's user avatar
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5 views

Elasticsearch Rack Awarness

I'm in ES 7.17.7 ES. I have 6BareMetal(BM), each BM will have 4VirtualMachines(VM), each VM's having ES service running and all 5BM are in 3 Physical Racks. Reason: I dont want Primary and Replica to ...
Mannoj's user avatar
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How to Create an ElasticSearch 8 Installation with High Availability on Ubuntu

Today I have an installation of ElasticSearch 6, but due to my lack of knowledge I only installed it on one machine and it lives with Yellow Status. And in case of updates or upgrades, I can't make ...
Tom's user avatar
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1 answer
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How to get current date and time in Elasticsearch

I need to review the current date and time zone from Elasticsearch. I'm checking the elastic documentation and it mentioned that the default value is UTC. In other environments I use: SELECT NOW(); ...
Carolina's user avatar
1 vote
1 answer
254 views

Secondary indexes vs Using elastic search

When does it make sense to put data in elastic search vs creating secondary indexing on Primary datastore? Elastic search with another primary store Pros: Primary datastore can be optimised for read ...
best wishes's user avatar
0 votes
1 answer
417 views

Developing a database to store 100-dimensional image embeddings along with their paths

Suppose we want to design a database to store images represented in a vector format (each image is stored as a 100-dimensional vector). The goal here is to store image embeddings along with their ...
Avv's user avatar
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1 answer
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Are the Informix and Lucene analyzers similar?

Is the analyzer discussed here same as Lucene analyzers? I am confused because most of them show similar properties to Lucene analyzer but the blog posts don't say a word about Lucene; instead they ...
bomtirgom's user avatar
-1 votes
1 answer
51 views

Room availability [closed]

I was wondering what would the best way to manage availability for rooms or beds like in a hostel (Saas). I was thinking about using MySQL and Elasticsearch. What would be the best schema for the ...
Yass O.'s user avatar
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247 views

Store Elasticsearch shards in separate partitions on data node

I have an Elasticsearch cluster configured with one head node and three data nodes with the number of replicas set to 2. The data nodes are each split into three partitions called /data1 /data2 and /...
Matt's user avatar
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5 votes
4 answers
625 views

Database events but not triggers

This is a question regarding general DB inner workings, not particular to an implementation or paradigm, though answers for certain technologies are welcome. I am asking if there is a way to listen to ...
Stefan Popescu's user avatar
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1 answer
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Help needed with several engines use case [closed]

We are developing an app, aprox 50k RPM read, 1k RPM write, it ask via key and get a JSON. The search is always made by key. I'm inclined to use one MySQL 8 table with a Id field and JSON field with ...
Alejandro's user avatar
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1 answer
2k views

Delete unassigned shards in Elasticsearch

I had an elasticsearch server, which ran in single node mode. When dataset reached 1TB, I added second node and relocated couple of shards with reroute api. Now second node has 2 of 5 shards, but ...
Oleg Gritsak's user avatar
-1 votes
2 answers
360 views

Which database to use when you have a 6 billion of rows inside and need to query rows with from list of IDs? [closed]

We are currently researching our case of storing the road distances between cities. Right now we have 6 billion of those distances. Our structure right now in SQL Server is that we have a float which ...
Artem Biryukov's user avatar
1 vote
1 answer
225 views

Query customers attributes

I need to create a system where the user creates dynamic filters based on our customer's attributes. There are more or less 30 possible filters and 30 millions of customers, but the number of customer ...
Mac Portter's user avatar
1 vote
0 answers
62 views

Elassandra data modeling

In Cassandra, everyone always stresses how important data modeling is, and rightfully so. However, when using Elassandra, we have Elasticsearch baked in. How does should change how we think about ...
RyanQuey's user avatar
  • 153
0 votes
1 answer
4k views

How can I get Elastic IP/host from KIbana interface [closed]

Through Kibana interface, how can I get Elastic IP/host? I mean, the Elastic host which kibana is connected to. Is that even possible? i'm struggling on that for hours and I got nothing :(
felipsmartins's user avatar
0 votes
1 answer
258 views

Use data from Mysql to ElasticSearch with Logstash

I'm using logstash for use my mysql database in ElasticSearch My conf is the next. input { jdbc { jdbc_connection_string => "jdbc:mysql://[ip]:3306/nextline_dev" jdbc_user =&...
BlueSeph's user avatar
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1 vote
2 answers
82 views

NoSQL or MySQL for storing API usage

I need to be able to track API usage in order to generate reports or charts later. I've been struggling to decide whether to use regular MySQL or something like MongoDB or Elastic Search which I don't ...
chifliiiii's user avatar
1 vote
0 answers
15 views

Elastic: Are Analyzers only for `text` type fields?

Most of the documentation about Elastic Analyzers assumes that you NEED an Analyzer and so the documentation talks mostly about how Analyzers work and the differences between the different Analyzers. ...
Trevor Boyd Smith's user avatar
9 votes
1 answer
3k views

Combine relational DB and Elastic search

We have a large quanitity of text files we want to free-text/full text search, combined with relational structured metadata about the text file. So, a search could be "Give me all files that belong to ...
Henrik Alstad's user avatar
0 votes
1 answer
2k views

How to insert several csv files into Elasticsearch?

I have several csv files on university courses that all seem linked by an ID, that you can find here, and I wondered how to put them on Elasticsearch. I know, thanks to this video and Logstash, how to ...
Revolucion for Monica's user avatar
-1 votes
1 answer
214 views

Suggestions for type of DB to use (Elasticsearch vs MongoDB vs Hadoop)

I am hoping some of you highly skilled DBAs can provide some insight as to the best DB to use for this dataset. This is a relatively simple dataset with no relationship needed between the entries. ...
Scott Summers's user avatar
3 votes
1 answer
8k views

change analyzer for an elasticsearch index?

I'd like to change the analyzer for an existing index in ElasticSearch, but I can't figure out the syntax (and I'm not grokking the error message). GET /ccc_test/_mapping { "ccc_test": { "...
Chris Curvey's user avatar
1 vote
1 answer
1k views

JDBC Sqlserver to elastic search : one input to different output?

I have a sqlserver2016 database that I want to index in elasticsearch using logstash. Here is my logstash config file which somewhat works : input { jdbc { jdbc_driver_library => "C:\elastic\...
A_V's user avatar
  • 1,364
4 votes
2 answers
3k views

How we can do full text search and facets stuffs on BigQuery?

In the future, we will have millions ofs record in our web product. So we had used BigQuery for data storage and analysis. We have to build filters on our search page like Flipkart and Amazon provide ...
Lalit Kumar Maurya's user avatar
1 vote
0 answers
904 views

Architecture alternatives to solve large table issues in Postgres 9.0

We use PostgreSQL 9.0 for our application and there is a table called events with a lot of metadata columns about event itself. The most important is resource_id that tells for which resource is ...
Weverton Timoteo's user avatar
1 vote
0 answers
74 views

Is it possible to use Kibi with Elasticsearch 5.2?

We are in the process of migrating our MSSQL database to an elasticsearch platform, and have run into the (apparently common) problem of many parents to one child relationship, when trying to access ...
Mattcul's user avatar
  • 111
-1 votes
2 answers
299 views

MongoDB or ElasticSearch

Which one of them is good to use? I'm developing a application which will have the following functionalities. Multiple users Each user will have their own database Data objects will be different; ...
Alok Patel's user avatar
1 vote
1 answer
532 views

Dedicated tables VS Multipurpose Tables

I am developing a forum like app using a MySQL database. I have posts, comments and replies just any other forum. At the moment I have a table for posts, a table for comments/replies and a table for ...
Marios Frixou's user avatar
3 votes
1 answer
174 views

On Elasticsearch, what is the required response for a directory URL of a HTTP URL repository?

The official document of Elasticsearch says we can use URL as a setting of Read-only repository. The document also says several protocols, including HTTP, is supported for the URL. (refer: https://www....
Yuki Inoue's user avatar
3 votes
1 answer
4k views

Kibana-like tool for PosgreSQL [closed]

I'm looking for a tool that could browse and visualize data from db like Kibana does. I'd prefer a native Posgres tool to any that transfers data from a db somewhere else. I know that rivers for ...
Ctrl-C's user avatar
  • 131
0 votes
2 answers
4k views

Tracking the update or changes in mysql table

I need to stream the changes to elasticsearch to keep in sync with my database(mysql). What will be best way to do this ? I have thought for below approaches Using trigger( but my table will have ...
Rituraj Vats's user avatar
1 vote
2 answers
182 views

ElasticSearch: is this problem suitable for ElasticSearch DB? [closed]

I have some hardware instruments each one recording a signal and generating sequences of timestamp/value pairs. Timestamp is a basic UTC posix time and value is a double. I'd like to record such ...
Gianluca Ghettini's user avatar
2 votes
1 answer
287 views

Elasticsearch and product characteristics

I have a small question about elasticsearch. Let's say I have a database with products to sell, like an ecommerce. I know that elasticsearch can help me to find the best product with, for instance a ...
Noé Malzieu's user avatar
1 vote
1 answer
2k views

Elasticsearch: Versioning a document on revisions [closed]

I currently have a document which gets revised regularly, I want to keep track of the document by keeping each old version of the document. So if document A has a summary and update date I want to, ...
Lucas Kauffman's user avatar
1 vote
1 answer
554 views

structure when storing books in elasticsearch

I want to use elasticsearch as a web search engine for books. A book has several editions with different titles in different languages, ISBN's as well as author names in different languages. I want ...
fisch's user avatar
  • 111