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60 Seconds Architecture – Graphite

Contents

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Guava FluentIterable is part of the Guava collections library. It has great similarity to the Java 8 stream API.

This code filters a list with FluentIterable:

from(cities).filter(city -> city.contains(“e”)).transform(city -> “‘”+city + “‘”).limit(2).join(on(” “));

And this one produces the same result with Java 8 stream API:

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A great blog to start with for tuning your ElasticSearch server

http://www.elasticsearch.org/blog/performance-considerations-elasticsearch-indexing/

by rika
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by olga
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Case:

You have an object Game with 'country' and 'timestamp' fields and you are looking for all games played in Germany between 12.05.2012 and 20.05.2014.

by olga
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Case:

You have an object Game with 'country' and 'timestamp' fields and you are looking for all games played in Germany between 12.05.2012 and 20.05.2014.

by olga
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Case:

You have an object Game with 'country' and 'timestamp' fields and you are looking for all games played in Germany between 12.05.2012 and 20.05.2014.

by olga
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I am going to talk about PostgreSQL, but the idea is the same for the whole spectrum of data bases.   

Imagine that you would like to debug your staging machine which is deployed on Amazon and use an Amazon's DB service. In case of the well configured security level, the access to your DB from the external world should be forbidden. 

Therefore for your remote debugging you have two options: to open your DB connection and shoot yourself in the foot in terms of security or to open the ssh tunneling and sleep safely. 

Format of SSH tunneling:

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Part of a system I currently working on is manipulating raw data. The data being sent from multiple client devices(Android/Iphone devices, etc..) ~ 100,000 requests per day.

by yanai
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Thanks for all people who attended the meetup today. Here are the slides from "Functional Programming with Java 8" session: