Questions tagged [elasticsearch]

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

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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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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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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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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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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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1answer
1k views

Elasticsearch: Versioning a document on revisions

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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Elasticsearch Rack Awarness Doesn't seem to work

I have 5Baremetals, each Baremetal is cut into 2VMs and installed ES 6.8. I made the setting on an existing cluster that shouldn't have Primary and Replica on same BM(Baremetal) and I have mentioned ...
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28 views

Fastest way to make full text searches through 2 columns?

I actually have 200 GB of data indexed on MongoDB, spread over 2 columns, each containing one string. The user search for 'cowboy', if this string is found anywhere, it returns the content. i.e: ...
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What can I do to diagnose where data inaccuracies in my ElasticSearch stack on AWS are coming from?

Context I'm running an ElasticSearch stack on AWS. Data flows as follows: Web client (user's browser) AWS API endpoint AWS Firehose AWS Kinesis AWS Lambda (transforms the data) AWS ElasticSearch My ...
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263 views

ElasticSearch Node Failure or Shard Failure?

My Elasticsearch cluster dropped from 2B documents to 900M Records, on AWS it shows Relocating shards: 4 Whilst Showing Active Shards: 35 and Active primary shards: 34 (Might not be relevant but ...
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155 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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151 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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229 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; ...