Tag Archives: cloudera

State of the Elephant 2008

Categories: Community General Hadoop

It’s a new year, the time when we take a moment to look back at the previous one, and forward to what might be coming next. In the world of Hadoop a lot happened in 2008.

Organization

At the beginning of the year, Hadoop was a sub-project of Lucene. In January, Hadoop became a Top Level Project at Apache, in recognition of its success and diversity of community. This allowed sub-projects to be added,

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Securing an Apache Hadoop Cluster Through a Gateway

Categories: General Hadoop

(Added 6/4/2013) Please note the instructions below are deprecated. Please refer to the CDH4 Security Guide for up-to-date procedures.

A few weeks ago we ran an Apache Hadoop hackathon. ApacheCon participants were invited to use our 10-node Hadoop cluster to explore Hadoop and play with some datasets that we had loaded on in advance. One challenge we had to face was, how do we do this in a secure way?

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Introducing Hadoop Development Status

Categories: Community

We’re happy to announce a new tool we have been developing here at Cloudera: Hadoop Development Status. Hadoop Development Status aims to help the Hadoop community understand its direction, health, and participants. The project currently monitors the most active contributors according to mailing list traffic, the most watched JIRA tickets, and aggregate traffic volumes on the Hadoop mailing lists.

The graph of messages per month on the Hadoop Core lists shows a sustained growth in traffic.

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Thrift, Scribe, Hive, and Cassandra: Open Source Data Management Software

Categories: General

Apache Hadoop exists within a rich ecosystem of tools for processing and analyzing large data sets. At Facebook, my previous employer, we contributed a few projects of note to this ecosystem, all under the Apache 2.0 license:

    • Thrift: A cross-language RPC framework that powers many of Facebook’s services, include search, ads, and chat. Among other things, Thrift defines a compact binary serialization format that is often used to persist data structures for later analysis.

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    Welcome to Cloudera’s Hadoop blog!

    Categories: General

    We’ve created this blog as a place to post tips, tricks and insights on using Hadoop and related projects for the next generation of data storage and analysis. Of course, we’re also active on the Hadoop mailing lists and other public forums, but we wanted a place where we could capture some of the lessons we learn as we work with the community and our customers.

    Except for this inaugural post,

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