KeyIterator it = memcachedClient.getKeyIterator(AddrUtil
.getOneAddress(args[0]));
while (it.hasNext()) {
System.out.println(it.next());
}
System.out.println(memcachedClient.touch("b", 1000));
} catch (MemcachedException e) {
System.err.println("MemcachedClient operation fail");
e.printStackTrace();
} catch (TimeoutException e) {