Details
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Type:
Bug
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Status: Closed
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Priority:
Minor
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Resolution: Fixed
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Affects Version/s: 3.5.3, 3.6.1, 3.7
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Component/s: Groups, Performance
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Labels:
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Testing Instructions:
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Affected Branches:MOODLE_35_STABLE, MOODLE_36_STABLE, MOODLE_37_STABLE
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Fixed Branches:MOODLE_35_STABLE, MOODLE_36_STABLE
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Pull from Repository:
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Pull 3.5 Branch:
MDL-64521_35 -
Pull 3.5 Diff URL:
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Pull Master Branch:
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Pull Master Diff URL:
Description
We have a performance problem with the course participants page. With a very large course with ~50k users and 10 groups, each group have ~5k users, sometimes it will load normally, but it fails to load most the time
Please refer the attachment for more detail
The problem come from lib/grouplib.php:207 (function groups_get_all_groups)
Attachments
Issue Links
- is duplicated by
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MDL-64526 groups_get_all_groups(): SQL error when parameter $withmembers = true
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- Closed
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