jenkins-bot has submitted this change and it was merged.

Change subject: resourceloader: Set a TTL for minification cache entries
......................................................................


resourceloader: Set a TTL for minification cache entries

Follows-up 458e7cabbbafd. HHVM's APC cache doesn't have any
limitation or eviction logic. Thus entries without a TTL will
linger indefinitely.

At time of writing over 99% of APC entries were from "resourceloader:filter"
because there are far more unpopular resources than popular ones.

A fixed TTL is suboptimal as it will also cause popular resources
(e.g. startup module, or jquery) to be re-minified every day.

Beware this isn't one single minification. It's one minification,
for every JS/CSS resource, on every app server, for many different
lang/skin/config variations.

Bug: T104769
Change-Id: Ib62c320da0eeede68aad3f2294006ec7dcf1df55
---
M includes/resourceloader/ResourceLoader.php
1 file changed, 2 insertions(+), 1 deletion(-)

Approvals:
  Ori.livneh: Looks good to me, approved
  jenkins-bot: Verified



diff --git a/includes/resourceloader/ResourceLoader.php 
b/includes/resourceloader/ResourceLoader.php
index 5d0ed3c..e6cb5eb 100644
--- a/includes/resourceloader/ResourceLoader.php
+++ b/includes/resourceloader/ResourceLoader.php
@@ -224,7 +224,8 @@
                                if ( $options['cacheReport'] ) {
                                        $result .= "\n/* cache key: $key */";
                                }
-                               $cache->set( $key, $result );
+                               // Set a TTL since HHVM's APC doesn't have any 
limitation or eviction logic.
+                               $cache->set( $key, $result, 24 * 3600 );
                        } catch ( Exception $e ) {
                                MWExceptionHandler::logException( $e );
                                $this->logger->warning( 'Minification failed: 
{exception}', array(

-- 
To view, visit https://gerrit.wikimedia.org/r/223343
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Gerrit-MessageType: merged
Gerrit-Change-Id: Ib62c320da0eeede68aad3f2294006ec7dcf1df55
Gerrit-PatchSet: 2
Gerrit-Project: mediawiki/core
Gerrit-Branch: master
Gerrit-Owner: Krinkle <krinklem...@gmail.com>
Gerrit-Reviewer: Legoktm <legoktm.wikipe...@gmail.com>
Gerrit-Reviewer: Ori.livneh <o...@wikimedia.org>
Gerrit-Reviewer: jenkins-bot <>

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