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Elastic Stack Introduction
- 1. 1 Elastic (ELK) Stack By Vikram Shinde
- 2. 2 Agenda • Introduction • Elastic Stack Overview • Components of Elastic Stack • Role of Elastic Stack in Big Data Analysis • Demo • ElasticSearch configurations • Logstash pipelines • Kibana Dashboards • Beats example • Twitter trend example • Q & A
- 3. 3 Elastic (ELK) Stack Elastic Stack is a group of open source products from Elastic designed to help users take data from any type of source and in any format and search, analyze, and visualize that data in real time. It uses Logstash for log aggregation, Elasticsearch for searching, and Kibana for visualizing and analyzing data. • ElasticSearch: Store, Search, and Analyze • Logstash: Collect logs and events data, Parse and Transform • Kibana: Explore, Visualize, and Share • Beats: Data shipper.
- 4. 4 Elastic (ELK) Stack Architecture
- 5. 5 ElasticSearch Elasticsearch is a highly available and distributed search engine. • Built on top of Apache Lucene • NoSQL Datastore • Schema-free • JSON Document • RESTful APIs Relational Database ElasticSearch Database Index Table Type Row Document Column Field Schema Mapping • Node • Cluster
- 6. 6 ElasticSearch Elasticsearch is distributed, which means that indices can be divided into shards and each shard can have zero or more replicas. By default, an index is created with 5 shards and 1 replica per shard (5/1). Rebalancing and routing of shards are done automatically. Features • Distributed • Scalable • Highly available • Near Real Time (NRT) search • Full Text Search • Java, .NET, PHP, Python, Curl, Perl, Ruby • HADOOP & SPARK -- Elasticsearch-Hadoop (ES-Hadoop)
- 7. 7 ElasticSearch RESTful API HTTP Based CRUD Operations Operation CURL command Create curl –XPUT “http://localhost:9200/<index>/<type>/<id>” Read curl –XGET “http://localhost:9200/<index>/<type>/<id>” Update curl –XPOST “http://localhost:9200/<index>/<type>/<id>” Delete curl –XDELETE “http://localhost:9200/<index>/<type>/<id>”
- 8. 8 GitHub Casestudy Challenge : How do you satisfy the search needs of GitHub's 4 million users while simultaneously providing tactical operational insights that help you iteratively improve customer service? Solution: GitHub uses Elasticsearch to continually index the data from an ever- growing store of over 8 million code repositories, comprising over 2 billion documents. GitHub uses Elasticsearch to index new code as soon as users push it to a repository on GitHub. "Search is at the core of GitHub" Other customers includes Facebook, Netflix, ebay, Wikimedia, etc. ebay : Searching across 800 million listings in subseconds
- 9. 9 Logstash Logstash can collect logs from a variety of sources (using input plugins), process the data into a common format using filters, and stream data to a variety of sources (using output plugins). Multiple filters can be chained to parse the data into a common format. Together, they build a Logstash Processing Pipeline.
- 10. 10 Logstash Plug-ins Input Plugins • Beats • Elasticsearch • File • Graphite • Heartbeat • Tttp • Jdbc • Kafka • Log4j • Redis • Stdin • TCP • Twitter Output Plugins • CSV • Elasticsearch • Email • File • Graphite • Http • Jira • Kafka • Nagios • Redis • Stdout • S3 • Tcp • Udp Filter Plugins • Aggregate • csv • Date • geoip • Grok • Json • sleep • urlencode • UUID • xml Logstash has a rich collections of input, filter and output plugins. You can now create your own Logstash plugin and add it into community plugins.
- 11. 11 Logstash Pipeline Basic Configuration of Logstash Pipeline
- 12. 12 Kibana • Discover • Visualise • Dashboards • Put Geo Data on Any Map • Insert dashboards into your internal wiki or webpage • Send your coworker a URL to a dashboard. Kibana gives you the freedom to select the way you give shape to your data.
- 13. 13 Beats Lightweight Data Shippers. Beats is the platform for single-purpose data shippers. They install as lightweight agents and send data from hundreds or thousands of machines to Logstash or Elasticsearch.
- 14. 14 Elastic Stack for Big Data Analysis Connect the massive data storage and deep processing power of Hadoop with the real-time search and analytics of Elasticsearch. ES-Hadoop lets you index Hadoop data into the Elastic Stack to take full advantage of the speedy Elasticsearch engine and beautiful Kibana visualizations. Elasticsearch for Apache Hadoop
- 15. 15 Splunk VS ELKStack Popularity Trend A head to head comparison is always a tough call, especially when there’s no clear winner and the tool you choose can potentially have a huge impact on the business Splunk and the ELK stack are dominating the interest in the log management space with the most comprehensive and customizable solutions.
- 16. 16 Demo !!
- 17. 17 Basic Example
- 18. 18 Demo – Twitter Example
- 19. 19 X-Pack & Elastic Cloud
- 20. 20 Summary • Elastic Stack • Components of Elastic Stack • Configurations • ES-Hadoop plugin for Big Data Analysis • ElasticSearch : Store, Search , Analysis • Logstash: ETL • Kibana: Visualisation • Beats: Data Shipper • Elastic Cloud
- 21. 21 Thank You !! Contact me @vikshinde
Editor's Notes
- #14: The Beats are open source data shippers that you install as agents on your servers to send different types of operational data to Elasticsearch. Beats can send data directly to Elasticsearch or send it to Elasticsearch via Logstash, which you can use to parse and transform the data. Packetbeat, Filebeat, Metricbeat, and Winlogbeat are a few examples of Beats. Packetbeat is a network packet analyzer that ships information about the transactions exchanged between your application servers. Filebeat ships log files from your servers. Metricbeat is a server monitoring agent that periodically collects metrics from the operating systems and services running on your servers. And Winlogbeat ships Windows event logs.
- #16: https://www.google.com/trends/explore?date=all&q=elasticsearch%20%2B%20logstash%20%2B%20kibana,splunk&hl=en-US