Reduce the amount of Swift auth cache keys used on wiki farms

Change-Id: Ic0a2f744d5d94bfb22286a19be3de0c37ecdf519

diff --git a/includes/filebackend/SwiftFileBackend.php b/includes/filebackend/SwiftFileBackend.php
index d4ac64d..caf15aa 100644 (file)
--- a/includes/filebackend/SwiftFileBackend.php
+++ b/includes/filebackend/SwiftFileBackend.php
@@ -1586,7 +1586,7 @@ class SwiftFileBackend extends FileBackendStore {
         * @return string
         */
        private function getCredsCacheKey( $username ) {
-               return wfMemcKey( 'backend', $this->getName(), 'usercreds', $username );
+               return 'swiftcredentials:' . md5( $username . ':' . $this->swiftAuthUrl );
        }
 
        /**