private void deleteDirRecursively(File dir) {
        log.log(FINEST, "Will delete dir " + dir);
        if ( ! IOUtils.recursiveDeleteDir(dir))
            log.log(INFO, "Failed to delete " + dir);
    }
Global file directory, holding files for file distribution for all deployed applications.
configserver/src/main/java/com/yahoo/vespa/config/server/filedistribution/FileDirectory.java