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Dominik Schilling (ocean90) 8be6905a89 Media: Don't cache the results of wp_mkdir_p() in a persistent cache.
To improve the performance of `wp_upload_dir()` the result of `wp_mkdir_p()` was stored in a persistent cache, introduced in [36565]. But this becomes an issue when WordPress is scaled horizontally. You may end up caching a value for a server where the directory doesn't exist which will prevent further uploads on other servers because of the persistent cache.
The fix is to use a non-persistent cache.

Props azaozz, ocean90.
See #34359.
Fixes #36621.

git-svn-id: https://develop.svn.wordpress.org/trunk@37285 602fd350-edb4-49c9-b593-d223f7449a82
2016-04-21 19:57:03 +00:00
src Media: Don't cache the results of wp_mkdir_p() in a persistent cache. 2016-04-21 19:57:03 +00:00
tests Tests: More explicit fixture content when testing s=0 query string. 2016-04-21 15:52:33 +00:00
tools/i18n i18n tools: In StringExtractor don't strip slashes from URLs. 2016-02-29 20:44:31 +00:00
.editorconfig Use HTTPS URLs for codex.wordpress.org. 2015-04-12 21:28:58 +00:00
.gitignore Remove accidental .svn addition to .gitignore 2015-12-12 18:26:22 +00:00
.jshintrc Build: Prevent non-breaking spaces from accidentally being inserted into JavaScript files. 2015-11-12 12:04:55 +00:00
.travis.yml Don't announce PR builds in Slack 2016-04-20 17:08:13 +00:00
Gruntfile.js Build/Test Tools: Run image tasks only if there are changes 2016-04-15 10:18:03 +00:00
package.json Update grunt-contrib-uglify from ~0.10.0 to ~1.0.1 2016-04-15 16:09:07 +00:00
phpunit.xml.dist Tests: Exclude ms-files test group from default PHPUnit config 2016-04-20 17:10:21 +00:00
wp-cli.yml Remove debug mode from WP-CLI by default, as it now outputs too much debugging information to be of use during normal development. 2015-11-28 18:36:06 +00:00
wp-config-sample.php Lightly clean up and improve inline documentation in wp-config-sample.php. 2015-05-10 00:05:30 +00:00
wp-tests-config-sample.php Unit Tests: Correct comment in wp-tests-config-sample.php. 2016-01-21 20:24:12 +00:00