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A great example of why SLOs need to be approached from both directions.

"During previous generations of systems there has been typically a cleanup script that deletes old files. For example in the Louhi system, all files older than X weeks were subject to removal. In the current storage system the total capacity has been so large (> 3 PB) that we have not chosen to enforce automatic deletion to make the system more user-friendly.

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At this time it was obvious that despite /wrk being designated as a temporary storage space, in practice many people had grown to trust it with some of their most important data. This was further demonstrated by the questionnaire we sent to users some days later about the criticality of their data under threat. There were over 60 users who had extremely important data on the filesystem, containing months of work.  Just wiping out all this work quickly became a non-option."
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This is an interesting, yet also relatively accessible (for a typical non-AI software engineer), read on using evolutionary neural networks for collision avoidance.
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The Raspberry Pi folks are really delivering on the affordable-computing front. I'm happy that someone has truly decided to take on making hardware hacking and computing accessible to as many people as possible regardless of income. Things have come a long way from when only companies could afford computers.
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I took a picture of a furniture-sized super computer with my pocket-sized super computer. My Nexus 6P has about 750x more memory, 800x more storage, and 2500x as much raw processing power[1] as the Cray-1. The Cray cost $100K per month to run. I can charge my cell phone for a fraction of a penny per day. You couldn't even use the Cray to take selfies.

#JustMooresLawThings

1: only 250x the processing power in the CPU, most of the gain is in the GPU, which maxes out at 350 billion operations, compared to the Cray-1's 160 million.
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In time for going home and helping family with their computers, I never knew that this was a thing, might be useful.
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This is an interesting report about the perception of computer science in education and corresponding diversity factors.
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This is an insightful writeup into the workflow used by the open-source Chromium project (on top of which the Google Chrome browser is built).
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