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Bug
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Resolution: Duplicate
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Minor
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None
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2.4.3
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None
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MOODLE_24_STABLE
Stress test CLI concurrency.
Perform a fresh install of 2.3
Switch to the master branch.
Start upgrading the site through CLI.
Open a browser and head to the site.
Keep refreshing the page (very fast e.g. hold down ctrl + r).
=> at one moment I saw one:
[Mon May 13 15:28:45 2013] [error] [client 127.0.0.1] PHP Warning: md5_file(/private/var/phpu_moodledata/integration/cache/cachestore_file/default_application/core_config/33b/Wabn6Agl5g.5190962def4a27.79735409.temp): failed to open stream: No such file or directory in /Users/jerome/Sites/integration/cache/stores/file/lib.php on line 681
Test upgrade running concurrency.
Browser 1 display correctly the plugin confirmation page
Browser 1 clicks on Upgrade database button
Browser 2 refresh and see the course page without CSS and with this warning:
Warning: fopen(/var/phpu_moodledata/altcache/core_pluginlist/mod/mod-f9d6c1387021d10b2fed10168999ed47.cache): failed to open stream: No such file or directory in /Users/jerome/Sites/integration/cache/stores/file/lib.php on line 339
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