The disruption in service on Sunday was caused by an “incorrectly applied” server configuration, according to the Inside Google Cloud blog. The configuration should have been applied
to a small number of servers in a specific region, but was applied to a larger number across several regions. The mistake limited network capacity. Google says it identified the issue within
seconds, but it took much longer to fix the problem. The impact was slight. YouTube measured a 2.5% drop of views for one hour, while Google Cloud Storage measured a 30% reduction in
traffic. Approximately 1% of active Gmail users had problems with their account, representing millions of users who couldn’t receive or send email.
- Google, Tuesday, June 4, 2019 1:40 PM
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