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You're reading from  Mastering Elastic Stack

Product typeBook
Published inFeb 2017
PublisherPackt
ISBN-139781786460011
Edition1st Edition
Tools
Elasticsearch
Concepts
Enterprise Search
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Authors (2):
Ravi Kumar Gupta
Ravi Kumar Gupta
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Ravi Kumar Gupta

Ravi Kumar Gupta is an author, reviewer, and open source software evangelist. He pursued an MS degree in software system at BITS Pilani and a B.Tech at LNMIIT, Jaipur. His technological forte is portal management and development. He is currently working with Azilen Technologies, where he acts as a Technical Architect and Project Manager. His previous assignment was as a lead consultant with CIGNEX Datamatics. He was a core member of the open source group at TCS, where he started working on Liferay and other UI technologies. During his career, he has been involved in building enterprise solutions using the latest technologies with rich user interfaces and open source tools. He loves to spend time writing, learning, and discussing new technologies. His interest in search engines and that small project on crawler during college time made him a technology lover. He is one of the authors of Test-Driven JavaScript Development, Packt Publishing. He is an active member of the Liferay forum. He also writes technical articles for his blog at TechD of Computer World (http://techdc.blogspot.in). He has been a Liferay trainer at TCS and CIGNEX, where he has provided training on Liferay 5.x and 6.x versions. He was also a reviewer for Learning Bootstrap, Packt Publishing. He can be reached on Skype at kravigupta, on Twitter at @kravigupta, and on LinkedIn at https://in.linkedin.com/in/kravigupta.
Read more about Ravi Kumar Gupta

Yuvraj Gupta
Yuvraj Gupta
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Yuvraj Gupta

Yuvraj Gupta is an author and a keen technologist with interest towards Big Data, Data Analytics, Data Visualization, and Cloud Computing. He has been working as a Big Data Consultant primarily in domain of Big Data Testing. He loves to spend time writing on various social platforms. He is an avid gadget lover, a foodie, a sports enthusiast and love to watch tv-series or movies. He always keep himself updated with the latest happenings in technology. He has authored a book titled Kibana Essentials with Packt Publishers. He can be reached at gupta.yuvraj@gmail.com or at LinkedIn www.linkedin.com/in/guptayuvraj.
Read more about Yuvraj Gupta

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Exploring Filter Plugins

A filter plugin is used to perform transformations on the data. If your input fetches data based on what you want to process the data, then a filter plugin will help you to do so before sending the output. It acts as the intermediate section between input and output, which is required in the Logstash configuration file.

Let's have a look at few of the filter plugins.

grok

The grok plugin is the most commonly used filter in Logstash and has powerful capabilities to transform your data from unstructured to structured data. Even if your data is structured, you can streamline the data using this pattern. Due to the powerful nature of the grok pattern, Logstash is referred to as a Swiss Army Knife. Grok is used to parse the data and structure the data in the way you want. It is used to parse any type of log that is in human-readable format. It combines the text patterns into a structure that helps you to match the logs and group them into fields. Logstash ships with more...

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Mastering Elastic Stack
Published in: Feb 2017Publisher: PacktISBN-13: 9781786460011
© 2017 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Ravi Kumar Gupta

Ravi Kumar Gupta is an author, reviewer, and open source software evangelist. He pursued an MS degree in software system at BITS Pilani and a B.Tech at LNMIIT, Jaipur. His technological forte is portal management and development. He is currently working with Azilen Technologies, where he acts as a Technical Architect and Project Manager. His previous assignment was as a lead consultant with CIGNEX Datamatics. He was a core member of the open source group at TCS, where he started working on Liferay and other UI technologies. During his career, he has been involved in building enterprise solutions using the latest technologies with rich user interfaces and open source tools. He loves to spend time writing, learning, and discussing new technologies. His interest in search engines and that small project on crawler during college time made him a technology lover. He is one of the authors of Test-Driven JavaScript Development, Packt Publishing. He is an active member of the Liferay forum. He also writes technical articles for his blog at TechD of Computer World (http://techdc.blogspot.in). He has been a Liferay trainer at TCS and CIGNEX, where he has provided training on Liferay 5.x and 6.x versions. He was also a reviewer for Learning Bootstrap, Packt Publishing. He can be reached on Skype at kravigupta, on Twitter at @kravigupta, and on LinkedIn at https://in.linkedin.com/in/kravigupta.
Read more about Ravi Kumar Gupta

author image
Yuvraj Gupta

Yuvraj Gupta is an author and a keen technologist with interest towards Big Data, Data Analytics, Data Visualization, and Cloud Computing. He has been working as a Big Data Consultant primarily in domain of Big Data Testing. He loves to spend time writing on various social platforms. He is an avid gadget lover, a foodie, a sports enthusiast and love to watch tv-series or movies. He always keep himself updated with the latest happenings in technology. He has authored a book titled Kibana Essentials with Packt Publishers. He can be reached at gupta.yuvraj@gmail.com or at LinkedIn www.linkedin.com/in/guptayuvraj.
Read more about Yuvraj Gupta

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