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Groups > comp.lang.python.announce > #3143
| From | Grant Jenks <grant.jenks@gmail.com> |
|---|---|
| Newsgroups | comp.lang.python.announce |
| Subject | ANN: DiskCache 4.0.0 Released |
| Date | 2019-07-02 22:23 -0700 |
| Message-ID | <156260609281.14687.784530612439210119@mail.python.org> (permalink) |
Announcing the release of DiskCache version 4.0.0 What is DiskCache? ---- [DiskCache][1] is an Apache2 licensed disk and file backed cache library, written in pure-Python, and compatible with Django. By leveraging a rock-solid database library and memory-mapped files, cache performance can match and exceed industry standard solutions. There’s no need for a C compiler or running another process. [Performance is a feature][2] and testing has 100% coverage with unit tests and hours of stress in production. [1]: http://www.grantjenks.com/docs/diskcache/ [2]: http://www.grantjenks.com/docs/diskcache/cache-benchmarks.html What's new in 4.0.0? ---- * Cache, Deque, and Index data types now support transactions for consistency and improved performance. * Add memoization with cache-stampede mitigation using probabilistic early recomputation based on research by Vattani, et al. * Published: "Case Study: Landing Page Caching" illustrating memoization with cache-stampede mitigation: http://www.grantjenks.com/docs/diskcache/case-study-landing-page-caching.html * Cache methods offer `retry` parameter just like FanoutCache and DjangoCache methods. * Memoization decorator added to Cache, Index, and DjangoCache data types. * Add peek method to Cache and Deque data types. * Add peekitem method to Cache and Index data types. * Add touch method to Cache, FanoutCache, and DjangoCache data types. * Add Averager data type for calculating a running average across threads and processes. * Add Lock, RLock, and BoundedSemaphore data types for synchronization across threads and processes. * Add throttle decorator to rate-limit calls to a function across threads and processes. * Add barrier decorator to synchronize calls to a function across threads and processes. * Developed, benchmarked, and tested on Python 3.7 * Numerous small documentation and performance improvements. Links ---- - Documentation: http://www.grantjenks.com/docs/diskcache/ - Download: https://pypi.python.org/pypi/diskcache - Source: https://github.com/grantjenks/python-diskcache - Issues: https://github.com/grantjenks/python-diskcache/issues Please upgrade.
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ANN: DiskCache 4.0.0 Released Grant Jenks <grant.jenks@gmail.com> - 2019-07-02 22:23 -0700
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