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Groups > comp.lang.python > #81400
| References | <4a496b58-867f-43ae-b6f9-48f4d885b170@googlegroups.com> <0f947a1upejmd3376lbj7h33ejdsgv9msl@4ax.com> |
|---|---|
| Date | 2014-11-23 11:56 -0800 |
| Subject | Re: Recurring Task |
| From | Dan Stromberg <drsalists@gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.16206.1416772625.18130.python-list@python.org> (permalink) |
On Sun, Nov 23, 2014 at 10:35 AM, Dennis Lee Bieber <wlfraed@ix.netcom.com> wrote: > On Sun, 23 Nov 2014 07:23:43 -0800 (PST), tim@timothyarnold.co.uk declaimed > the following: > >>Hi All >>Looking for some advice. I'm creating a small netwok poller and wondered what people recommend to use? Will be polling up to 100 hosts every ten reconds or so >> > > Trickiest part would be maintaining the time-ordered queue (has Python > created a priority queue yet? -- Ah, apparently it has -- so one could use > the desired clock value for the priority, and when the thread finishes it > requeues incrementing the clock value by the rescan interval... -- you'd > need to implement a sleep_until if the thread grabs an entry before its > time) The standard library way: https://docs.python.org/3/library/queue.html Here's another way - a class I ported from Java: https://pypi.python.org/pypi/fibonacci-heap-mod The Fibonacci Heap is theoretically nice because it's lazy and supports some interesting operations like O(1) merge and O(1) decrease-key, but it has a large constant on its O(logn) dequeue-min.
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Recurring Task tim@timothyarnold.co.uk - 2014-11-23 07:23 -0800 Re: Recurring Task Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-11-23 13:35 -0500 Re: Recurring Task Dan Stromberg <drsalists@gmail.com> - 2014-11-23 11:48 -0800 Re: Recurring Task Dan Stromberg <drsalists@gmail.com> - 2014-11-23 11:56 -0800
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