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Yelp IT! A talk with 3 Yelp MySQL DBAs on Percona Live & more

 | March 25, 2015 |  Posted In: MySQL, OpenStack Live, Percona Live

Founded in 2004 to help people find great local businesses, Yelp has some 135 million monthly unique visitors. With those traffic volumes Yelp’s 300+ engineers are constantly working to keep things moving smoothly – and when you move that fast you learn many things. Fortunately for the global MySQL community, three Yelp DBAs will be […]

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Django with time zone support and MySQL

 | January 7, 2015 |  Posted In: Insight for Developers, MySQL

This is yet another story of Django web-framework with time zone support and pain dealing with python datetimes and MySQL on the backend. In other words, offset-naive vs offset-aware datetimes. Shortly, more about the problem. After reading the official documentation about the time zones, it makes clear that in order to reflect python datetime in […]

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Benchmark: SimpleHTTPServer vs pyclustercheck (twisted implementation)

 | May 16, 2014 |  Posted In: Benchmarks, Insight for DBAs, MySQL

Github user Adrianlzt provided a python-twisted alternative version of pyclustercheck per discussion on issue 7. Due to sporadic performance issues noted with the original implementation in SimpleHTTPserver, the benchmarks which I’ve included as part of the project on github use mutli-mechanize library, cache time 1 sec 2 x 100 thread pools 60s ramp up time 600s […]

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