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auto-update: Efficiently run periodic, on-demand actions

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API docs and the README are available at http://www.stackage.org/package/auto-update.

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Versions [RSS] 0.1.0.0, 0.1.1.0, 0.1.1.1, 0.1.1.2, 0.1.1.3, 0.1.1.4, 0.1.1.5, 0.1.2, 0.1.2.1, 0.1.2.2, 0.1.3, 0.1.3.1, 0.1.4, 0.1.4.1, 0.1.5, 0.1.6, 0.2.0, 0.2.1, 0.2.2, 0.2.4, 0.2.5
Change log ChangeLog.md
Dependencies base (>=4.12 && <5), stm [details]
License MIT
Author Michael Snoyman
Maintainer michael@snoyman.com
Category Control
Home page https://github.com/yesodweb/wai
Uploaded by KazuYamamoto at 2024-12-18T03:42:02Z
Distributions Arch:0.1.6, Debian:0.1.6, Fedora:0.1.6, FreeBSD:0.1.2.2, LTSHaskell:0.2.5, NixOS:0.1.6, Stackage:0.2.5, openSUSE:0.1.6
Reverse Dependencies 28 direct, 3986 indirect [details]
Downloads 106543 total (672 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2024-12-18 [all 1 reports]

Readme for auto-update-0.2.5

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auto-update

A common problem is the desire to have an action run at a scheduled interval, but only if it is needed. For example, instead of having every web request result in a new getCurrentTime call, we'd like to have a single worker thread run every second, updating an IORef. However, if the request frequency is less than once per second, this is a pessimization, and worse, kills idle GC.

This library allows you to define actions which will either be performed by a dedicated thread or, in times of low volume, will be executed by the calling thread.

For original use case, see yesod-scaffold issue #15.