Blog Posts

Rightsizing YARN containers for virtual machines

Working on a specific use-case at work has required that I modify the Chef recipe templates for mapred-site.xml and yarn-site.xml to configure the memory allocations correctly. The container sizes themselves will depend on the size of VMs you are creating, and BDE has some generic settings by default, but again with each workload being different it is necessary to tune […]

Apache Flume node in VMware vSphere BDE – Part 1

Apache Flume is an open-source project to assist Hadoop users to ingest data into HDFS. It provides a reliable mechanism for sending raw data into HDFS to be used by the Hadoop cluster. Many new users of Hadoop often ask, “How can I get my data into HDFS for me to begin taking advantage of it?” As a result, a […]

Performance Tuning for Hadoop Clusters

As I stated previously, the session I learned the most from at Hadoop Summit was about performance tuning the OS to ensure the cluster is getting the most from the infrastructure (slides can be found here). In order to do so, I had to modify the Chef recipes inside of the BDE management server to have the updates installed on […]

Hadoop Summit 2014 Recap

Having recently returned from Hadoop Summit 2014 in San Jose, I wanted to take some time to jot down my thoughts on the sessions. I primarily focused on the sessions that revolved around operational management of Hadoop to see how other companies are tackling the same problems I am facing. It is comforting to know that I am not alone […]

Scroll Up