Tag: Cassandra

Watch: Hadoop vs. Cassandra

Every data platform has its value, and deciding which one will work best for your big data objectives can be tricky—Alex Gorbachev, Oracle ACE Director, Cloudera Champion of Big Data, and Chief Technology Officer at Pythian, has recorded a series…

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Metrics in Cassandra – Lightning Talk

Blackbird’s own Chris Lohfink was on-hand at the Minneapolis Cassandra Meetup, on May 5th, to give a lightning talk introducing Cassandra’s thread pool metrics. Monitoring Cassandra clusters can be a monumental task, but Chris’s overview provides a nice start to…

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Blackbird TechTalks v2.0 – Eddie Garcia

In April, we welcomed Eddie Garcia, the VP of Information Security and ex-Architect at Gazzang.com to join us for a chat about Cassandra. In this talk, he starts the discussion with the AWS configurations he’s seen perform best in real…

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What Is Cassandra?

[youtube https://www.youtube.com/watch?v=rUuGXWH-cSQ?rel=0&w=560&h=315]

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Bulk Loading Options for Cassandra

Cassandra’s bulk loading interfaces are most useful in two use cases: initial migration or restore from another datastore/cluster and regular ETL. Bulk loading assumes that it’s important to you to avoid loading via the thrift interface, for example because you…

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Exploring Configuration Management with Ansible

What is Ansible? Ansible is a configuration management and deployment system, like Puppet, Capistrano, Fabric, and Chef. Its aim is to be radically simple and let you use your existing scripts to help with cluster configuration and software deployment whenever possible….

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My First Experience with Cassandra – Part 1

The traditional NoCOUG SQL challenge has been launched this year with a twist: In the wake of the “BigData” trend/buzz, it’s now been upgraded to a “SQL and/vs. NoSQL” challenge. I took on the challenge, treading through my SQL comfort zone and thinking of ways I could bend relational algebra to solve the wicked puzzle suggested this year.

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Quick script to get list of all jmx beans

Recently I’ve needed to get information from running Cassandra processes, in order to determine which parameters to monitor. jconsole can be used for this, however if you’re using a host on AWS, or in a bandwidth-limited environment, you might find…

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Liveblogging: Indexing in Cassandra by Ed Anuff

Indexing in Cassandra First, a brief history: Cassandra 0.6 – No built-in secondary – all indexes were custom-built like using supercolumn Cassandra 0.7 – new users flocked to the built-in secondary indexes pros – easy to use out of the…

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Using SSH Proxying with Jconsole to remote Cassandra instances

This guide leans heavily on the work of http://simplygenius.com/2010/08/jconsole-via-socks-ssh-tunnel.html — what I’ve done is collect his work into something a little more manageable for our environment. Prerequisites This guide assumes a few things are set up: That you’ve got ssh…

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