пʼятниця, 29 липня 2016 р.

Protecting Spark UI, part 2: servlet filter

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In the previous post it was described how to configure simple NGINX instance to add basic auth to Spark job. In this part let see what Spark...
3 коментарі:

Protecting Spark UI, part 1: nginx

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Apache Spark WEB UI is a descent place to check cluster health and monitor job performance, starting point for almost every performance opt...
2 коментарі:
вівторок, 6 жовтня 2015 р.

Apache Zeppelin: impressions

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A notebooks are getting more and more attraction from data analytics, data scientists and developers. Jupiter is a famous notebooks created ...
35 коментарів:
понеділок, 13 липня 2015 р.

How to waste the whole day with Spark Streaming and HBase

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The "funny" story how to waste the whole day debugging resolving simple case... tips and tricks :) Spark Streaming application h...
вівторок, 9 червня 2015 р.

How to present XML in Hive flat table after XSLT transformation

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Let's start from defining a task. Imaging that the dataset is a set of XML files and the requirement is to present some specific informa...
пʼятниця, 30 січня 2015 р.

Demystify BloomFilter on Hadoop

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I believe most of you have seen BloomFilter class. But how to correctly use it? Accordint to Wikipedia, " A  Bloom filter  is a space...
пʼятниця, 23 січня 2015 р.

Composite join with MapReduce

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As everyone knows, map-side join is the most effective techniques to join datasets on Hadoop. However, at the same time it gives a possibili...