An Experimental Study of Bitmap Compression vs. Inverted List Compression
This document discusses Yarn and its advantages over npm. It notes that Yarn uses yarn.lock files instead of npm-shrinkwrap.json files to lock down dependency versions. Yarn is also described as being faster, able to work offline by caching dependencies, and potentially more secure than npm with features like flat mode and module folders. The document suggests Yarn may handle dependencies and devD
GitHub - mozilla/mozjpeg: Improved JPEG encoder.
MozJPEG improves JPEG compression efficiency achieving higher visual quality and smaller file sizes at the same time. It is compatible with the JPEG standard, and the vast majority of the world's deployed JPEG decoders. MozJPEG is a patch for libjpeg-turbo. Please send pull requests to libjpeg-turbo if the changes aren't specific to newly-added MozJPEG-only compression code. This project aims to k
LZ4 explained
At popular request, this post tries to explain the LZ4 inner workings, in order to allow any programmer to develop its own version, potentially using another language than the one provided on Google Code (which is C). The most important design principle behind LZ4 has been simplicity. It allows for an easy code, and fast execution. Let's start with the compressed data format. The compressed block
Compression Options in Hadoop - A Tale of Tradeoffs
Yahoo! is one of the most-visited web sites in the world. It runs one of the largest private cloud infrastructures, one that operates on petabytes of data every day. Being able to store and manage that data well is essential to the efficient functioning of Yahoo!`s Hadoop clusters. A key component that enables this efficient operation is data compression. With regard to compression algorithms, the
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https://blogs.oracle.com/mysqlinnodb/entry/innodb_compression_improvements_in_mysql
