Hadoop Summit 2012 | Optimizing MapReduce Job Performance
Optimizing MapReduce job performance is often seen as something of a black art. In order to maximize performance, developers need to understand the inner workings of the MapReduce execution framework and how they are affected by various configuration parameters and MR design patterns. The talk will illustrate the underlying mechanics of job and task execution, including the map side sort/spill, th
HBaseCon 2012 | Gap Inc Direct: Serving Apparel Catalog from HBase for Live Website
Gap Inc Direct, the online division for Gap Inc., uses HBase to serve, in real-time, apparel catalog for all its brands’ and markets’ web sites. This case study will review the business case as well as key decisions regarding schema selection and cluster configurations. We will also discuss implementation challenges and insights that were learned.
HBaseCon 2012 | Low Latency OLAP with HBase - Cosmin Lehene, Adobe
Adobe Systems uses “SaasBase Analytics” to incrementally process large heterogeneous data sets into pre-aggregated, indexed views, stored in HBase to be queried in real- time. Our goal was to process new data in real- time (currently minutes) and have it ready for a large number of concurrent queries that execute in milliseconds. This set our problem apart from what is traditionally solved with Hi
HBaseCon 2012 | Base Metrics: What They Mean to You - Cloudera
If you’re running an HBase cluster in production, you’ve probably noticed that HBase shares a number of useful metrics about everything from your block cache performance to your HDFS latencies over JMX (or Ganglia, or just a file). The problem is that it’s sometimes hard to know what these metrics mean to you and your users. Should you be worried if your memstore SizeMB is 1.5GB? What if your regi
Hadoop World 2011: Hadoop in a Mission Critical Environment - Jim Haas - CBSi
Our need for better scalability in processing weblogs is illustrated by the change in requirements - processing 250 million vs. 1 billion web events a day (and growing). The Data Waregoup at CBSi has been transitioning core processes to re-architected hadoop processes for two years. We will cover strategies used for successfully transitioning core ETL processes to big data capabilities and present
Hadoop World 2011: HDFS Name Node High Availablity - Aaron Myers, Cloudera & Sanjay Radia, Hortonworks
HDFS HA has been a highly sought after feature for years. Through collaboration between Cloudera, Facebook, Yahoo!, and others, a high availability system for the HDFS Name Node is actively being worked on, and will likely be complete by Hadoop World. This talk will discuss the architecture and setup of this system.
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