Simon Willison’s Weblog

2 items tagged “downtime”

Free Afternoon in San Francisco with no car

My absolute favorite thing to do in SF is to walk up a hill. My favourite hill in the city is Corona Heights over in the Castro—it’s beautiful and the view is spectacular. It’s not part of the regular tourist circuit—you can think of it as a best-kept-secret of the city.

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App Engine outage postmortem. Interesting peek behind the scenes. The primary cause of the error was a bug in a GFS (Google File System) Master server caused by a MapReduce process sending a malformed filehandle, reminiscent of the error which took down S3 last year. # 9th July 2009, 12:49 pm