private static function remAllKeys()
{
$keys = array();
$prefix_key = Key::getIndexKey();
$prefixes = self::$_redis->smembers($prefix_key);
foreach ($prefixes as $prefix) {
$suffixes = self::$_redis->smembers($prefix);
foreach ($suffixes as $suffix) {
$keys[] = Key::fromString($prefix . ":" . $suffix);
}
}
return $keys;
}
