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Questions tagged [elasticsearch]

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

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Best Databases options for Geo-Spatial data

I have following kind of DB schema in key value pairs. { id1: [{location: [lat1, long1]}, {location: [lat2, long2]}, ..., {location: [lat3, long3]}], id2: [{location: [lat4, long4]}, {location: [...
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Which database / search engine for filtering application

I've asked the question on here: https://stackoverflow.com/questions/71819288/mongodb-vs-elasticsearch-indexing-parallel-arrays But, I didn't get any answer. I believe here it's the right place for ...
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Elasticsearch on a virtual machine do or dont?

I've been assigned the task of evaluating a few unused machines in a corporate network for the sole purpose of finding a place to setup elasticsearch for a medium to large Magento installation, after ...
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0 answers
5 views

Create a backlog report with ElasticSearch

I have an index that stores created tasks, this index has the property of creation date and task end date. With ElasticSearch, can I build a histogram that displays the daily backlog since the ...
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How does ElasticSearch handles the new requests?

Different types of database servers (or any server for that matter) handle requests differently. For instance, Redis use an Event loop, Postgres spawns up a new process to handle a new request, etc. ...
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1 answer
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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 ...
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0 answers
68 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 /...
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  • 211
5 votes
4 answers
528 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 ...
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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 ...
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0 answers
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Is instant text search possible in big table with HTMLs?

I have a pretty big table with HTMLs (about 500K rows, average length of text is ~150K). It is required to make fast search (less than 1s) rows which match let say '%<meta name="twitter:app%'. ...
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0 votes
1 answer
748 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 ...
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2 answers
224 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 ...
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2 votes
1 answer
158 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 ...
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1 vote
0 answers
43 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 ...
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1 answer
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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 :(
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0 votes
1 answer
195 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 =&...
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1 vote
2 answers
66 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 ...
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1 vote
0 answers
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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. ...
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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 ...
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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 ...
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-1 votes
1 answer
186 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. ...
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3 votes
1 answer
6k 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": { "...
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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\...
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4 votes
2 answers
2k 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 ...
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1 vote
0 answers
519 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 ...
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1 vote
0 answers
72 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 ...
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-1 votes
2 answers
236 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; ...
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1 vote
1 answer
485 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 ...
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2 votes
1 answer
133 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....
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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 ...
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0 votes
2 answers
3k 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 ...
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1 vote
2 answers
177 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 ...
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2 votes
1 answer
269 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 ...
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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, ...
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1 vote
1 answer
497 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 ...
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