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Sunday, May 24, 2015

Learning facets in elasticsearch 0.90

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Today we are going to learn facet in elasticsearch. In this article, we are going to use elasticsearch 0.90.7 and with this official docume...
Saturday, May 23, 2015

Learning oauth2 with linkedin using python script

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Today, we are going to learn oauth2 with linkedin using python. It's a very simple and easy task. Let's install the necessary libra...
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Friday, May 22, 2015

learning elasticsearch percolator

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Today, we are going to learn elasticsearch percolator . But first, what's a percolator? Excerpt from wikipedia , A coffee percolator ...
Sunday, May 10, 2015

My journey and experience on upgrading apache cassandra from version1.0.12 to 1.1.12

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If you have read my previous post on apache cassandra upgrade , this is another journey to major upgrade apache cassandra from version 1.0 t...
Saturday, May 9, 2015

Light walkthrough on Java Execution Time Measurement Library (JETM)

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Today, let's learn a java library, Java Execution Time Measurement Library or JETM . What is JETM? From the official site A small and f...
Friday, May 8, 2015

Elasticsearch no node exception happened in tomcat web container

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If you ever get the stack trace in web container log file such as below and wondering how to solve these. Then read on but first, a little b...
Sunday, April 26, 2015

Benchmarking unigine heaven on debian

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In this article, we are trying something different, a good buddy of mine asking me to do graphic benchmark on linux system. So let's ro...