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“Hadoop Adventures At Spotify” accepted for Strata Conference + Hadoop World 2013! ;)

| Posted in Presentations, Troubleshooting |

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I am extremely happy to say that my proposal was accepted for Strata Conference + Hadoop World 2013 ;) The title of my presentation is Hadoop Adventures At Spotify and I will talk about the most interesting problems that we have seen at our fast-growing Hadoop cluster.

The “official” abstract of the presentation is bellow:

Operating a small-size Hadoop cluster is a calm walk in a forest, while working with a big-size Hadoop cluster is a big adventure in a real jungle. The bigger elephant is, the more love and care it demands and we have discovered it in a hard way.

In this talk, we will take you for a trip into Hadoop jungle at Spotify to show the most interesting, exciting and surprising places where we have been to while growing fast from a 60 to 690-node Hadoop cluster. We will expose our JIRA tickets, real graphs, statistics, even excerpts from our dialogues. We will also share the mistakes that we made and describe the fixes that finally domesticated this love-demanding yellow elephant and its friends.

More details at Strata website. Hopefully, see you in NYC in October 2013!

Slides: Apache Hadoop YARN, NameNode HA, HDFS Federation

| Posted in Presentations |

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The slides from my presentation about new features available in Apache Hadoop (YARN, NameNode HA, HDFS Federation) that I gave at DataKRK meetup (Krakow, Poland) in April, 2013.

Hope you will find it useful!

Quick Introduction To Apache Hadoop MapReduce Java API

| Posted in Presentations |

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The slides from the quick presentation that I gave at Spotify as part of “knowledge sharing session”.

Hope you will find slides useful!

Apache Hadoop YARN simply explained at Warsaw Hadoop User Group

| Posted in Community, Presentations |

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I am very happy to share my slides from the presentation about Apache Hadoop YARN that I gave at the 9th meeting of Warsaw Hadoop User Group 2 days ago.

The slides cover motivation for YARN, description of all YARN daemons, some interesting features and the most interesting configuration parameters and many, many pictures. Hope you will find it useful (please refresh this page if slides do not appear).

Stockholm Hadoop User Group has been opened!

| Posted in Community, Presentations |

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I am happy to say the first Hadoop User Group has already been opened in Stockholm, Sweden. We are really excited to see that Hadoop community in Stockholm is so thriving. Actually, the meetup generated pretty big interest and in consequence almost 150 people attended the event!

The meetup was organized in the Cafeteria at Spotify, and two talks were delivered.