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What follows is a guest posting from Phil Bernstein on the Google Megastore presentation by Jonas Karlsson, Philip Zeyliger at SIGMOD 2008 : Megastore is a transactional indexed record manager built by Google on top of BigTable. It is rumored to be the store behind Google AppEngine but this was not confirmed (or denied) at the talk. [ JRH: I certainly recognize many similarities between the Google IO talk on the AppEngine store (see Under the Covers of the App Engine Datastore in Rough notes from Selected Sessions at Google IO Day 1 ) and Phil’s notes below ]. · A transaction is allowed to read and write data in an entity group. · The term “entity group” refers to a set of records, possibly in different BigTable instances. Therefore, different entities in an entity group might not be collocated on the same machine.
Various tools for managing, maintaining, and improving the performance of MySQL databases, originally written by Google. Libraries: pylib/db.py: Easily execute queries in parallel on a sharded database Depends on MySQLdb.
Last week I delivered a talk titled " MySQL and Search at Craigslist " as part of the 2009 MySQL Conference and Expo. I talked about some of the good and bad of our MySQL work and also talked a lot about our recent Sphinx deployment . The slides are embedded below and here , thanks to SlideShare. (Anyone know why Google Docs doesn't yet handle OpenOffice presentations?) I gave a copy to O'Reilly but don't yet see them on the conference site.