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Feed Science Daily: Giant Martian Dust Storm Threatens Two Rovers (sciencedaily.com)

The mighty Mars rovers Spirit and Opportunity continue to persevere in brutal conditions, as revealed in images of the sun they are sending home. The images show how opaque the Martian atmosphere has been in the face of a raging, two-month dust storm. To understand the gravity of the storm, engineers and astronomers monitor the situation by examining the images of the sun and measuring the amount of dust or the opacity of the atmosphere.

Feed Science Daily: Brain Implants Relieve Alzheimer's Damage (sciencedaily.com)

Genetically engineered cells implanted in mice have cleared away toxic plaques associated with Alzheimer's disease. The animals were sickened with a human gene that caused them to develop, at an accelerated rate, the disease that robs millions of elderly people of their memories. After receiving the doctored cells, the brain-muddling plaques melted away. If this works in humans, old age could be a much happier time of life.

Comment Re:db filesystem (Score 1) 809

Small object support is good. Robustness against crashes is good if it doesn't cost performance.

A generic "database layer" in the file system, meaning something that allows extensible attributes or something that provides file indexing, is at best superfluous and probably harmful to performance.

If you merely want real-time file indexing, Linux already has the necessary kernel API, and it is independent of file system; all you need for that is change notification (changedfiles, FAM, dnotify) and some user code. The fact that almost nobody bothers running it tells you something.

File systems don't need to get a lot more complicated. Databases are useful, but in addition to file systems, not as a replacement for them.

Linux may well beat Microsoft on this feature, but it's a race that's not worth winning as far as I'm concerned. Please leave the file system alone.

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