As the summer heat descends on the Northern Hemisphere we thought we’d release our newest App Engine version with some changes that are sure to keep you playing around in the cool, air-conditioned indoors (hey, you don’t want your computer to overheat, right?).Production ChangesAdjustable Scheduler Parameters - As we previously discussed, we are introducing two scheduler knobs (okay, they actually look like sliders) that will allow you to control some of the parameters that influence how many Instances run your application. Today you will be able...
Thursday, 21 July 2011
Wednesday, 20 July 2011
SummaryLast week, we posted about a limited outage on July 14, 2011. Now that our internal postmortem is complete, we thought you would also like to get more detail about what went wrong and what we are going to do to ensure this doesn't happen again.Root Cause and AnalysisThe main lesson learned is to improve our live traffic testing as a relatively minor bug triggered a corner case for some of our customers. The bug was in a new release of the infrastructure in the App Engine Java execution environment. During development, testing, and qualification,...
Friday, 15 July 2011
On July 14, 2011, beginning at 7 PM US/Pacific time (PDT/GMT-7), a subset of Java App Engine applications were affected by a service outage, which gradually increased in magnitude over time. At 9:30 PM US/Pacific, repair work commenced which began to reduce the effect of the outage; by 11:30 PM US/Pacific, the repair work had completed, restoring normal service to all Java App Engine applications.During this period, affected applications would have experienced high latency and error rates. This outage occurred shortly after a scheduled maintenance...
Wednesday, 13 July 2011
You may have heard the news that 2011 is Google’s biggest hiring year yet. And the App Engine team is looking for a few great Software Engineers to join us in San Francisco to code, collaborate on innovative ideas for platform computing, and get burritos with us every Friday.The App Engine team in San Francisco. We think we have some of the best and most enthusiastic developers out there-- so we thought we’d ask you to come work with us. The App...
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