01 Install and Run ElasticSearch and Kibana in Window
Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elasticsearch is developed in Java.
0:00 Install and Run ElasticSearch in Window at http://localhost:9200/ - Download ElasticSearch at https://www.elastic.co/downloads/elas...
0:13 Install and Run Kibana in Window at http://localhost:5601/ - Download Kibana at https://www.elastic.co/downloads/kibana
0:37 Add sample data using Kibana
1:01 Open Kibana Console and Run first DSL Query
Elasticsearch DSL is a high-level library whose aim is to help with writing and running queries against Elasticsearch. It is built on top of the official low-level client (elasticsearch-py).
It provides a more convenient and idiomatic way to write and manipulate queries. It stays close to the Elasticsearch JSON DSL, mirroring its terminology and structure. It exposes the whole range of the DSL from Python either directly using defined classes or a queryset-like expressions.
It also provides an optional wrapper for working with documents as Python objects: defining mappings, retrieving and saving documents, wrapping the document data in user-defined classes.
To use the other Elasticsearch APIs (eg. cluster health) just use the underlying client.
1:26 Sense Chrome Extension - https://github.com/StephaneBour/sense...
1:36 Run query at cURL (Use Git bash to run cURL) - See Notes
cURL is a computer software program with a library and command-line tool designed for retrieving, transferring or sending data, including files, via various protocols using URL syntax.
The name cURL stands for “Client URL.” The command for the cURL library is simply: curl and all cURL requests must be prefaced with this command. The basic structure of the request header is just the curl command followed by a URL. https://curl.haxx.se/
Formatting output:
https://stackoverflow.com/questions/3...
https://stedolan.github.io/jq/download/
2:13 ElasticSearch Head Chrome Extension -https://chrome.google.com/webstore/de...
2:54 Kibana Query Language (KQL) from Kibana Discover - See Notes
3:48 KQL vs Lucene in Kibana Discover
Kibana Query Language (KSL) from Discover:
The Kibana Query Language (KQL) offers a simplified query syntax and support for scripted fields. KQL also provides autocomplete if you have a Basic license or above. If you turn off KQL, Kibana uses Lucene.
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