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Integrating Hadoop and Elasticsearch – Part 2 – Writing to and Querying Elasticsearch from Apache Spark

Submitted by pkothuri on Tue, 05/24/2016 - 15:27

Introduction

In the part 2 of 'Integrating Hadoop and Elasticsearch' blogpost series we look at bridging Apache Spark and Elasticsearch. I assume that you have access to Hadoop and Elasticsearch clusters and you are faced with the challenge of bridging these two distributed systems. As spark code can be written in scala, python and java, we look at the setup, configuration and code snippets across all these three languages both in batch and interactively.

How to generate subset out of Real Application Testing captures

Submitted by sskorupi on Wed, 01/27/2016 - 22:45

I've already mentioned on this blog very useful Consolidated Database Replay feature, for example while testing unified auditing performance impact (http://db-blog.web.cern.ch/blog/szymon-skorupinski/2014-06-unified-auditing-performance) or while investigating problems with hanging workload capture (http://db-b

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The views expressed in this blog are those of the authors and cannot be regarded as representing CERN’s official position.

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