[FileBackend] Bumped Swift auth caching TTL.

Change-Id: I5f119ff640cc7af604191450f4577a4564307499

diff --git a/includes/filebackend/SwiftFileBackend.php b/includes/filebackend/SwiftFileBackend.php
index f54f666..fb385de 100644 (file)
--- a/includes/filebackend/SwiftFileBackend.php
+++ b/includes/filebackend/SwiftFileBackend.php
@@ -111,7 +111,7 @@ class SwiftFileBackend extends FileBackendStore {
                        : false;
                $this->swiftCDNExpiry = isset( $config['swiftCDNExpiry'] )
                        ? $config['swiftCDNExpiry']
-                       : 3600; // hour
+                       : 12*3600; // 12 hours is safe (tokens last 24 hours per http://docs.openstack.org)
                $this->swiftCDNPurgable = isset( $config['swiftCDNPurgable'] )
                        ? $config['swiftCDNPurgable']
                        : true;