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Urs Hölzle
Works at Google
Attended Stanford University
Lives in Palo Alto, CA
27,693 followers|14,678,889 views
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My other computer is a data center
Education
  • Stanford University
    CS, 1988 - 1994
  • ETH Zurich
    CS, 1983 - 1988
Basic Information
Gender
Male
Relationship
Married
Other names
Urs Hoelzle
Work
Occupation
Technical Infrastructure @ Google
Employment
  • Google
    SVP Technical Infrastructure, present
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Palo Alto, CA
Previously
Santa Barbara, CA - Zurich, Switzerland

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Urs Hölzle

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Good weekend read on how recognition effects are complicated. But on a more basic level, how during a war maybe you don't want to be a figher pilot: "In an average month, 3.3% of pilots died. After two years of service, half the low-scoring pilots would have been killed. Amongst the better-performing pilots, only one-quarter would have survived." (The graph below calls it "exit"...economists' euphemisms.)
One of the longest-standing questions in management and economics is how to incentivise employees. Pay is important, but economists since Adam Smith have argued that earning the regard of others can also be an important motivating force. Non-financial rewards are common in both businesses and the public sector – in the UK, for example, deserving civil servants, captains of industry, politicians and academics may be made Knight or Dame Commander o...
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+Urs Hölzle this is the art of management isn't it? Promotion project is always there in company for people wanting to be promoted and awarded. Doing things from the bottom of our hearts and love is most important regardless of being awarded not, in the end respect would be earned and life is fair.
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Urs Hölzle

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Interesting article (short and well written) about why there are so few women at the top levels of chess, with a (to me) surprisingly clear answer. You need to read the article yourself to find out why, but here's a tidbit quote:

"Other results from our study show that men also modify their behaviour when playing against women. Given two opponents of equal ability and two identical board positions, men resign later when they play against a woman. "
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Razvan Musaloiu-E.'s profile photoKieran Barry's profile photoMohammad Mohtasham's profile photoAleksandar Milivojević's profile photo
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Well. At least cyclists got this right: velominati.com - Velominati › The Rules
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Urs Hölzle

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Map of the entire Internet as of May 1973.

Source: https://twitter.com/workergnome/status/807704855276122114.
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Håvard Kvålen's profile photoDavid Konerding's profile photoNorman Rasmussen's profile photoyuning liang's profile photo
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What about now! Just Google alone pls? LOL 
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Urs Hölzle

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"We had heard multiple times from Google on how they had a better network, and they have owned the dark fiber to support it. We were astonished by the results."
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James Tucker's profile photoMichael Bakka's profile photo
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Check out SalesTube.com

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Urs Hölzle

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Google builds fast and reliable infrastructure to best serve the billions of users who enjoy our products from Search to Android, and the billion+ users of our GCP customers who build their businesses on top of the same network. Today we announced that we’re investing in the new Pacific Light Cable Network (PLCN), which will span 12,800 km between Hong Kong and Los Angeles.

This new submarine cable should be completed by summer 2018, ten years after we started Unity, the first of our transpacific cables. When it comes into service, PLCN will be the highest-capacity trans-Pacific route, a record currently held by another Google cable, FASTER. Our job in delivering the lowest-latency and highest-performance network is never done :-)

https://cloudplatform.googleblog.com/2016/10/new-undersea-cable-expands-capacity-for-Google-APAC-customers-and-users.html
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Scott Hamilton (Dame Nilly Lunchalot)'s profile photoSigfredo Zamorano's profile photonassir abas's profile photoViolet Daniel's profile photo
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Nice
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Today's xkcd :-)
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Benjamin Sloss's profile photoSigfredo Zamorano's profile photoToni Thompson's profile photoZeke Cao's profile photo
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+Toni Thompson are you hwops? 
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Urs Hölzle

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Everyone talks about IoT security....here's a particularly shocking example (pun not intended).

Every IoT device should be updateable and have strong security. Android for Things (in preview now) has security and updateability built in, as a service, so device makers don't have to write code for it. (Right now it's not ready for a device as low-power as a pace maker, but over time it will hopefully get there.)
https://developer.android.com/things/index.html
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Michael Bruck's profile photoBert Lindner's profile photo
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It's really about being continuously updated, not about updateability. Just like with (Android) phones. They show that updateability doesn't by itself bring much. So in the end it must be about regulation.
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Tidbit from this excellent quake blog: how long do earthquakes last? Well, it depends how long the rupture is. The rupturing process travels at roughly 3000mph so if you have a 30 mile rupture that takes 3600/100 = 36 seconds. (I'm probably trivializing the science behind it a bit but it's a very visual way to think about it.)
A new finding by Janet Watt and her USGS coauthors appeared this month in Science Advances, heralding a “Missing link between the Hayward and Rodgers Creek
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This is a good reminder for those of us who live in California to prepare for the next quake. www2.earthquakeauthority.com - CA Earthquake Authority
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Urs Hölzle

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Great visual explanation of how submarine cables are built. 
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Too cool :) google only gets one pair? :( :P
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Google has been carbon neutral since 2007, and next year we'll be powered by 100% renewable energy as our newest wind and solar farms come online.
In 2017, Google will reach 100% renewable energy for our global operations — both data centers and offices. To reach this goal we’ll be directly buying enough wind and solar electricity annually to account for every unit of electricity our operations consume.
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Thomas Reis's profile photoYahav Biran's profile photoSung Lee's profile photoRon Weaver's profile photo
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I heard the 100% assertion repeated by speakers at the Arctic BaseCamp symposium this week in Davos. Congratulations Google! Seems like businesses are moving in the right direction. (no I wasn't in attendance, just listened virtually)
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Urs Hölzle

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Cold line storage @ 0.7 cents per GB/month...with the same API as regular storage. Archiving just got a lot simpler.
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Andreas Östrin's profile photoGregor “Zappes” Ottmann's profile photoSigfredo Zamorano's profile photo
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Hypercompetitive solution for enterprise data I see +Andreas Östrin, not the case for personal data I'm afraid +Gregor Ottmann, hard drives still win in this scenario I see.
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Urs Hölzle

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Customer Reliability Engineering -- a big step towards making all companies successful in adopting the cloud. Very exciting!
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Robert King's profile photoDrew Derbyshire's profile photoYonatan Zunger's profile photo
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+Robert King You use Google auth to log in to the cloud platform itself, of course, to manage your jobs and so on. But you can use any kind of auth you want on the software you run on it. GCP provides virtual machines.
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