semname.getBytes(),
"-inf".getBytes(),
String.valueOf(now - timeout).getBytes());
ZParams params = new ZParams();
params.weights(1, 0);
trans.zinterstore(czset, params, czset, semname);
trans.incr(ctr);
List<Object> results = trans.exec();
int counter = ((Long)results.get(results.size() - 1)).intValue();
trans = conn.multi();