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Windows Timer Resolution: The Great Rule Change

Randon ASCII

The behavior of the Windows scheduler changed significantly in Windows 10 2004, in a way that will break a few applications, and there appears to have been no announcement, and the documentation has not been updated. First, a bit of operating-system design context. However the scheduler behavior changes dramatically in Windows 10 2004.

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Data Redundancy With the PostgreSQL Citus Extension

Percona

Step three: Check packages Inspecting the nodes confirms Citus has been correctly installed: for u in citus1 citus2 citus3 citus4 citus-coord-01 do echo " = NODE: $u =" lxc exec $u -- su - postgres -c 'psql db01'<<_eof_ select extname, extversion from pg_extension; _eof_ done | less -S = NODE: citus1 = extname | extversion -+ plpgsql | 1.0

C++ 77
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GotW #97 Solution: Assertions (Difficulty: 4/10)

Sutter's Mill

C++20 supports two main assertion facilities… For each one, briefly summarize how it works, when it is evaluated, and whether it is possible for the programmer to specify a message to be displayed if the assertion fails. 5] For conditions, it’s up to us to make sure it’s true.) Bonus: [[assert: ?

C++ 58
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What Adrian Did Next?—?Part 2?—?Sun Microsystems

Adrian Cockcroft

I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R. I worked with the engineering team that was designing the backplane connector, but the project was eventually cancelled when Sun ran out of money.

Tuning 52
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File systems unfit as distributed storage backends: lessons from ten years of Ceph evolution

The Morning Paper

The zone interface… manages the disk as a sequence of 256 MiB regions that must be written sequentially, encouraging a log-structured, copy-on-write design. This design is in direct opposition to the in-place overwrite design followed by most mature file systems. The first implementation (c.

Storage 64
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AVIF for Next-Generation Image Coding

The Netflix TechBlog

By Aditya Mavlankar, Jan De C**k¹, Cyril Concolato, Kyle Swanson, Anush Moorthy and Anne Aaron TL; DR We need an alternative to JPEG that a) is widely supported, b) has better compression efficiency and c) has a wider feature set. With the motion extension, it was accepted as the video coding standard for digital cinema in 2004.

Code 212
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Data Mining Problems in Retail

Highly Scalable

Although these problems are very different, we are trying to establish a common framework that helps to design optimization and data mining tasks required for solutions. The design of the model heavily depends on the problem. This model helps to design targeted usage expansion campaigns. Propensity to category expansion.

Retail 152