Braille, a tactile writing system of raised dots, was invented by French educator Louis Braille in the 1820s. Here, it's used ...

Our final day at CES came up fast. It feels like I was just writing the preview day post, and already we’re wrapping things ...

I've been long mystified as to why ZFS is amplifying writes to my zvols, resulting in sluggish performance when using them. Yesterday I spent a good few hours trying to analyze the problem and I think ...

The digital space is overflowing with content—that even the most brilliant ideas can disappear without active promotion. Creating great content is only half the battle. The other half? Making sure ...

Domain Amplification, also known as Ryoiki Ten’en, is an anti-domain technique which was first introduced in the Jujutsu Kaisen manga during the Shibuya arc. The very first characters (or cursed ...

write amplification = (iostat throughput)/ (inserting throughput) should be 2 (writing wal = 1, writing blobfiles=1, other small ios ignored) Actual behavior write amplification is 7 or larger Why ...

Data engines such as RocksDB are playing an increasingly important role in preventing metadata-access bottlenecks that may impact the performance of large-scale systems. Here’s what you need to know.

Don’t be surprised if you can’t always tell. Neither could two teachers, a professor, nor even the renowned children's author Judy Blume. “I’m just gonna say it’s a student and prepare for my soul to ...

Many social-media and Internet-of-Things services have large numbers of tiny objects, each a few hundred bytes or less. For example, edges in Facebook’s social graph, which are needed to connect ...

Abstract: Using persistent memory (PM) for an in-memory database (IMDB) system significantly extends data processing capacity and reduces service downtime for the recovery process in case of system ...