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The "PoweredBy" page has been changed by Mikhail Yakshin: http://wiki.apache.org/hadoop/PoweredBy?action=diff&rev1=396&rev2=397 Comment: Added Openstat * ''We use commodity hardware, with 8 cores and 16 GB of RAM per machine '' = O = + * ''[[http://www.openstat.ru/|Openstat]] '' + * ''Hadoop is used to run a customizable web analytics log analysis and reporting '' + * ''50-node production workflow cluster (dual quad-core Xeons, 16GB of RAM, 4-6 HDDs) and a couple of smaller clusters for individual analytics purposes '' + * ''About 500 mln of events processed daily, 15 bln monthly '' + * ''Cluster generates about 25 GB of reports daily '' + * ''Technologies used: [[http://www.cloudera.com/hadoop/|CDH]], [[http://www.cascading.org/|Cascading]], [[http://docs.codehaus.org/display/JANINO/Home|Janino]] '' + * ''[[http://www.optivo.com|optivo]] - Email marketing software '' * ''We use Hadoop to aggregate and analyse email campaigns and user interactions. '' * ''Development is based on the github repository. ''
