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Hadoop Primer – Yet Another Hadoop Introduction


Posted by Artem Russakovskii on October 20th, 2008 in Databases, Programming

image I just came upon a pretty good Hadoop introduction paper posted on Sun’s wiki. Apache Hadoop is a free Java software framework that supports data intensive distributed applications. It enables applications to work with thousands of nodes and petabytes of data. Hadoop was inspired by Google's MapReduce and Google File System (GFS) (wikipedia). I wouldn’t…

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MySQL Conference Liveblogging: Applied Partitioning And Scaling your (OLTP) Database System (Wednesday 11:55AM)


Posted by Artem Russakovskii on April 16th, 2008 in Databases

  • old school – union in the archive tables
  • auto partitioning and partition pruning
  • great for data warehousing
  • query performance improved
  • maintenance is clearly improved
  • design issues in applying partitioning to OLTP (On-Line Transaction Processing)
    • often id driven access vs date driven access
    • 1 big clients could be 80% of the whole database, so

    …

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    MySQL Conference Liveblogging: Portable Scale-out Benchmarks For MySQL (Wednesday 10:50AM)


    Posted by Artem Russakovskii on April 16th, 2008 in Databases

    • Robert Hodges from Continuent presents
    • About Continuent
    • leading provider of open source database availability and scaling solutions
  • solutions
    • uni/cluster – multi-master database clustering that replicates data across multiple databases and load balances reads
    • uses "database virtualization"
  • scale-out design motivation
    • protection from db and site failures
    • continuous operation during upgrades
  • how come not everyone has it already?
  • creating identical replicas across different hosts is

    • …

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