Index: LoggerAppenderRollingFile.php
===================================================================
--- LoggerAppenderRollingFile.php       (revision 1374786)
+++ LoggerAppenderRollingFile.php       (working copy)
@@ -79,6 +79,15 @@
         */
        protected $compress = false;

+       private $clearConditional = false;
+
+       public function __construct($name = '') {
+               parent::__construct($name);
+               if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
+                       $this->clearConditional = true;
+               }
+       }
+
        /**
         * Get the maximum size that the output file is allowed to reach
         * before being rolled over to backup files.
@@ -195,7 +204,11 @@
                        }

                        // Stats cache must be cleared, otherwise filesize() returns cached results
-                       clearstatcache();
+                       if ($this->clearConditional) {
+                               clearstatcache(true, $this->file);
+                       } else {
+                               clearstatcache();
+                       }

                        // Rollover if needed
                        if (filesize($this->file) > $this->maxFileSize) {