Cows were causing mysterious Google outages, according to a funny story shared by the company's data center engineering mastermind Urs Hölzle
- Google's team was recently baffled by a series of frequent short outages on a segment of Google's powerful network in Oregon, according to a funny story tweeted by Urs Hölzle.
- Hölzle is Google's eighth employee, the data center and infrastructure genius who is largely responsible for Google's bulletproof network and the tech that runs its cloud.
- The shortages were caused by cows stepping on a fallen line, the team discovered.
- The story was much enjoyed on Twitter and inspired many cow puns.
Despite its massive scale, Google hardly ever goes down. It has teams of people and advanced technology to pinpoint even the slightest blip in services to fix them before they become bigger problems.
But the team was recently baffled by a series of frequent short outages (a situation they call "flaps") on a segment of Google's powerful network in Oregon, where Google built its first data center, according to Urs Hölzle. Hölzle is Google's eighth employee, the data center and infrastructure genius who is largely responsible for Google's bulletproof network and the tech that runs its cloud.
It turns out that the cause of these outages was a herd of cows.
The cows were grazing on land underneath Google's high-speed, fiber cables. One of those cables had fallen to the ground and every time a cow stepped on that cable, the engineers saw the "flap."
Hölzle shared the story in a series of tweets:
"Ok here's a new one: did you know that cows can cause network outages? Don't laugh, it happened to us. The beginning of the story: recently, we noticed frequent short outages ("flaps") on a multi-terabit fiber path through Oregon. This link is an aerial fiber link (fiber is strung along the path of a high-voltage power line). Such links have lower reliability because storms, trees, ice, and the occasional hunter can damage them.
"But this time we found something new: the fiber line had fallen to the ground yet continued to work just fine. But recently a farmer had started grazing a herd of cows nearby. And whenever they stepped on the fiber link, they bent it enough to cause a blip.
"Don't believe me? Here's a picture capturing the situation: the power line, the fiber on the ground, and a cow in the background. You heard it here first "
—Urs Hölzle (@uhoelzle) May 21, 2020
Of course, the funniest part was the response the story got on Twitter. Some people shared their own stories of cow-caused, or lama-caused, or elephant-caused network outages, common problems in places like Boliva, Chile, India and South Africa. Others shared stories of dogs or cats chewing cables.
But most others joined in the fun with puns like ...
"You herd it here first"
"Cows do enjoy a high fibre diet"
"Now that's a story I haven't herbivore"
"That's a cow-in-the-middle attack"
and "Udderly amazing, Urs."
Urs Hölzle did not immediately respond to our request for cow-ment.
Are you a Google Cloud insider with insight to share? Contact Julie Bort via email at email@example.com or on encrypted chat app Signal at (970) 430-6112 (no PR inquiries, please). Open DMs on Twitter @Julie188.
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