[MDL-47480] Scheduled Tasks are returned in random order by get_next_scheduled_task - Moodle Tracker

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Details

Type: Bug
Status: Closed
Priority: Minor
Resolution: Fixed
Affects Version/s: 2.7.2, 2.8.6, 2.9, 3.0, 3.1.2
Fix Version/s: 2.8.7, 2.9.1
Component/s: Libraries
Labels:
- ci
- triaged

Testing Instructions:

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Run unit tests

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Affected Branches:
MOODLE_27_STABLE, MOODLE_28_STABLE, MOODLE_29_STABLE, MOODLE_30_STABLE, MOODLE_31_STABLE
Fixed Branches:
MOODLE_28_STABLE, MOODLE_29_STABLE
Pull from Repository:
git://github.com/ankitagarwal/moodle.git
Pull Master Branch:
~~MDL-47480~~-master
Pull Master Diff URL:
https://github.com/ankitagarwal/moodle/compare/803f5657...MDL-47480-master

Description

There is no order-by on the query to load the list of scheduled tasks - so they will be returned in DB dependant order. This occasionally will break the unit tests - and possibly will not give the best "fairness" result for the scheduler.

Attachments

Issue Links

has a non-specific relationship to

MDL-47546 Unreleased lock throws exception outside of phpunit

Open

MDL-50719 Long-running scheduled task slows down all cron processing / task contention and re-proccessing bugs

Closed

has been marked as being related by

MDL-56609 Random failure: core_scheduled_task_testcase::test_get_next_scheduled_task

Open

Activity

People

Assignee:: Ankit Agarwal

Reporter:: Damyon Wiese

Peer reviewer:: Damyon Wiese

Integrator:: Eloy Lafuente (stronk7)

Tester:: CiBoT

Participants:: Ankit Agarwal, CiBoT, Damyon Wiese, Dan Poltawski, Eloy Lafuente (stronk7), John Okely, Marina Glancy, Rajesh Taneja

Component watchers:: Amaia Anabitarte, Carlos Escobedo, Ferran Recio, Ilya Tregubov, Sara Arjona (@sarjona)

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 01/Oct/14 5:16 PM

Updated:: 27/Oct/16 6:24 PM

Resolved:: 13/Jun/15 4:26 AM

Fix Release Date:: 6/Jul/15