Cloudemail service Amazon Web Services (AWS) experienced a massive outage on Tuesday that affected evenCloud od Applu, Netflix, Adobe, Dropbox or Reddit websites. Employee Amazonu entered one command incorrectly during debugging, which caused almost the entire cloud fell.
Amazon posted on his blog contribution, in which he describes exactly what happened. He explained that at cloudelectronic storage Amazon Simple Storage Service (S3) in the US-EAST-1 region is experiencing a large number of errors that are impacting various AWS services. On Tuesday, the S3 storage payment system was slowed down, and engineers had to restart some of its servers to restore speed. However, during the debugging process, one of the workers made a typo in a terminal command, which caused more servers to restart than originally intended. Outage cloudu was responsible for the slowdown andClouduu some users, which we have informed you about here.
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"Unfortunately, one of the input commands was entered incorrectly and other servers went down than they should have," he explained. Amazon. Originally, the servers that were not essential to the operation were to be restarted, but a single typo caused significant problems. The command shut down servers that were important to the S3 subsystems, and so cloud It started to crash. All the S3 sub-servers had to be restarted one by one, so the repair took four hours.
To avoid such a problem in the future, Amazon implemented security measures regarding the execution of checks and accelerated the restart process. Amazon also divided subsystems into smaller parts to speed up recovery time.
"We want to apologize for the impact this incident has had on our customers. We recognize how critical this service is to our customers, their applications, and end users. We will learn from this incident," he apologized. Amazon to their customers.
Source: 9TO5Mac
I know it's your first day at work and this happens to you :D