[MDL-50806] Question imports may result in memory exhaustion - Moodle Tracker

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Details

Type: Bug
Status: Closed
Priority: Minor
Resolution: Fixed
Affects Version/s: 2.8.7, 2.9.1
Fix Version/s: 2.8.8, 2.9.2
Component/s: Questions
Labels:
- ci

Affected Branches:
MOODLE_28_STABLE, MOODLE_29_STABLE
Fixed Branches:
MOODLE_28_STABLE, MOODLE_29_STABLE
Pull from Repository:
git://github.com/merrill-oakland/moodle.git
Pull Master Branch:
~~MDL-50806~~-master
Pull Master Diff URL:
https://github.com/merrill-oakland/moodle/compare/e5eefbb...MDL-50806-master
Testing Instructions:
1. Without this patch, import the attached Aiken format question file and confirm it fails
2. Apply patch and re-import
3. Confirm it works, with ~14000 questions

Description

We have run into more than one publisher supplied question banks that are too large to be imported by Moodle without hitting a PHP memory limit. In this particular case they are in Blackboard format with many chapter files.

I'll see if I can make one manually that will do the same thing - I can't supply the problem ones for copyright reasons.

Attachments

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Aiken.txt
1.74 MB
10/Jul/15 10:07 AM

Issue Links

has a non-specific relationship to

MDL-38829 Unable to import xml question files over 10000KB

Closed

MDL-67000 Importing large number of questions result in memory_limit error

Closed

has been marked as being related by

MDL-33884 Export of questions with lots of images as Moodle XML runs out of memory

Closed

Activity

People

Assignee:: Eric Merrill

Reporter:: Eric Merrill

Integrator:: Dan Poltawski

Tester:: Simey Lameze

Participants:: CiBoT, Dan Poltawski, Eric Merrill, kiliansinger, Simey Lameze, Tim Hunt

Component watchers:: Safat Shahin, Tim Hunt, Ilya Tregubov, Kevin Percy, Mathew May, Mihail Geshoski, Shamim Rezaie

Votes:: 1 Vote for this issue

Watchers:: 6 Start watching this issue

Dates

Created:: 10/Jul/15 7:34 AM

Updated:: 23/Oct/19 1:38 PM

Resolved:: 17/Jul/15 2:33 AM

Fix Release Date:: 14/Sep/15