Hi David and all,
Il 21/02/2017 23:29, David Cook ha scritto:
. Two, they wanted to
execute OAI-PMH requests every 2-3 seconds and cron has 1 minute as its
finest granularity. Three, even if you setup a cronjob to run every minute,
long running tasks could get duplicated (although you could mitigate that
with locks which would be a pain). Plus, you want to run tasks in parallel,
so you're going to want to use multiple processes, which cron isn't really
set up to achieve.
Ok, if you need those features cron isn't enough.
But why do you drop the option Celery + RabbitMQ + AnyEvent::RabbitMQ
They have official debiano packages:
https://packages.debian.org/jessie/python-celery
https://packages.debian.org/jessie/rabbitmq-server
https://packages.debian.org/jessie/libanyevent-rabbitmq-perl
We still use one of their dpendencies for similar tasks
(libanyevent-perl "event loop framework with multiple implementations").
Python is already present in our Debian/Ubuntu system, it is a prereq of
the distributions.
Redone a so complex stack in perl i think is very complex.
Bye
Zeno Tajoli
--
Zeno Tajoli
/SVILUPPO PRODOTTI CINECA/ - Automazione Biblioteche
Email: z.taj...@cineca.it Fax: 051/6132198
*CINECA* Consorzio Interuniversitario - Sede operativa di Segrate (MI)
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