3b4c7951b6
CUPS the server will never be installed on an Odoo.sh machine. That being said you can use a remote printer with a cups client. The problem lays in the sorry state of libcups dependencies so we will try to get a reliable section in the documentation for 20.04 as soon as we can get a testcase. Meanwhile, it has been reported that the command line `lp` cups cli client tool could be used as a workaround in the OCA concerned module: https://gist.github.com/rm-jamotion/0453e91ff3e13350a1e46a11ebb02e8d
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33 lines
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:banner: banners/odoo-sh.jpg
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.. _odoosh-advanced-frequent_technical_questions:
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==================================
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Frequent Technical Questions
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==================================
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"Scheduled actions do not run at the exact time they were expected"
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-------------------------------------------------------------------
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On the Odoo.sh platform, we cannot guarantee an exact running time for scheduled actions.
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This is due to the fact that there might be multiple customers on the same server, and we must guarantee a fair share of the server for every customer. Scheduled actions are therefore implemented slightly differently than on a regular Odoo server, and are run on a *best effort* policy.
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.. warning::
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Do not expect any scheduled action to be run more often than every 5 min.
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Are there "best practices" regarding scheduled actions?
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-------------------------------------------------------
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**Odoo.sh always limits the execution time of scheduled actions (*aka* crons).**
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Therefore, you must keep this fact in mind when developing your own crons.
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We advise that:
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- Your scheduled actions should work on small batches of records.
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- Your scheduled actions should commit their work after processing each batch;
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this way, if they get interrupted by the time-limit, there is no need to start over.
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- Your scheduled actions should be
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`idempotent <https://stackoverflow.com/a/1077421/3332416>`_: they must not
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cause side-effects if they are started more often than expected.
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