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Tag Archives: Elasticsearch

Anatomy Of Setting Up An Elasticsearch N-Gram Word Analyzer

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To say that n-grams are a massive topic would be an understatement. Do a quick search and you will find yourself staring down volumes of information on linguistics and language models, on data mining, or on the implication of the breakdown of specific proteins on the decline of debutante culture. Okay, I’m kidding about that last one. But if you ...

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Critical HL7 Usecases With Camel, ActiveMQ, Elasticsearch

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HL7 over MLLP is a very common transport mechanisms for systems that can speak the HL7 protocol format. JBoss Fuse is a very powerful microservices-style integration platform and has a proven track record for building flexible, resilient, highly available integration scenarios for critical health-care providers. Additionally, replacing legacy vendors like SeaBeyond on JCAPS is the sweet spot for these types ...

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elasticsearch for beginners part 1: how to create a document

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In this Elasticsearch for beginners series, I will give you basics of Elasticsearch with real world examples. The first part is for teaching you how to create -that is index- a document in Elasticsearch. I assume you managed to download the latest Elasticsearch zip to your local, extracted it and after that installed the marvel plugin and started a new ...

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Getting Started with ELK Stack on WildFly

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Your typical business application would consist of a variety of servers such as WildFly, MySQL, Apache, ActiveMQ, and others. They each have a log format, with minimal to no consistency across them. The log statement typically consist of some sort of timestamp (could be widely varied) and some text information. Logs could be multi-line. If you are running a cluster of servers then these logs ...

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5 Reasons You Should Stop Hosting Your ELK Stack Locally

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The hosted ELK stack: Centralizing and managing your logs for fun and profit You don’t look a gift-horse in the mouth. Especially if it’s not a horse and actually an elk. It will poke you with its antlers. Or get drunk on fermented apples and trash your backyard. That’s an occupational hazard we’re willing to accept though so let’s take ...

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Fixing Elasticsearch Allocation Issues

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Last week I was working with some Logstash data on my laptop. There are around 350 indices that contain the logstash data and an index that holds the metadata for Kibana 4. When trying to start the single node cluster I have to wait a while, until all indices are available. Some APIs can be used to see the progress ...

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Use Cases for Elasticsearch: Analytics

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In the last post in this series we have seen how we can use Logstash, Elasticsearch and Kibana for doing logfile analytics. This week we will look at the general capabilities for doing analytics on any data using Elasticsearch and Kibana. Use Case We have already seen that Elasticsearch can be used to store large amounts of data. Instead of ...

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Use Cases for Elasticsearch: Index and Search Log Files

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In the last posts we have seen some of the properties of using Elasticsearch as a document store, for searching text content and geospatial search. In this post we will look at how it can be used to index and store log files, a very useful application that can help developers and operations in maintaining applications. Logging When maintaining larger ...

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