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The Speed of Time

Brendan Gregg

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. Colleagues/Internet I love using [Linux performance tools]. How long does it take to read the time? How would you _time_ time?

Speed 126
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The Speed of Time

Brendan Gregg

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. Colleagues/Internet I love using Linux performance tools. How long does it take to read the time? How would you time time?

Speed 52
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article thumbnail

The Speed of Time

Brendan Gregg

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. Colleagues/Internet I love using [Linux performance tools]. How long does it take to read the time? How would you _time_ time?

Speed 40
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Apple Is Not Defending Browser Engine Choice

Alex Russell

This market then funds all of the R&D and operational costs of search engines, including "traffic acquisition costs" like browser default placement deals. [2]. The New York Times reported in late 2020 that Google now pays Apple between $8-12 billion per year , up from $1 billion in 2014. How much money are we talking about?

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Solaris to Linux Migration 2017

Brendan Gregg

Both Xen and KVM have had many performance and security improvements, and workloads can now be tuned to run at almost bare metal speeds (say, a 3% loss or less). The odd time we hit them, we'll take the "oops message" – a dump of the kernel stack trace and other details from the system log – and search the Internet.