Added sharding benchmark and removed some imports

src/test/java/redis/clients/jedis/tests/benchmark/ShardedBenchmark.java

@@ -0,0 +1,49 @@
+package redis.clients.jedis.tests.benchmark;
+
+import java.io.IOException;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Collection;
+import java.util.List;
+
+import redis.clients.jedis.JedisShardInfo;
+import redis.clients.jedis.ShardedJedis;
+import redis.clients.jedis.tests.HostAndPortUtil;
+import redis.clients.jedis.tests.HostAndPortUtil.HostAndPort;
+
+public class ShardedBenchmark {
+    private static HostAndPort hnp1 = HostAndPortUtil.getRedisServers().get(0);
+    private static HostAndPort hnp2 = HostAndPortUtil.getRedisServers().get(1);
+    private static final int TOTAL_OPERATIONS = 100000;
+
+    public static void main(String[] args) throws UnknownHostException,
+	    IOException {
+	List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>();
+	JedisShardInfo shard = new JedisShardInfo(hnp1.host, hnp1.port);
+	shard.setPassword("foobared");
+	shards.add(shard);
+	shard = new JedisShardInfo(hnp2.host, hnp2.port);
+	shard.setPassword("foobared");
+	shards.add(shard);
+	ShardedJedis jedis = new ShardedJedis(shards);
+	Collection<JedisShardInfo> allShards = jedis.getAllShards();
+	for (JedisShardInfo jedisShardInfo : allShards) {
+	    jedisShardInfo.getResource().flushAll();
+	}
+
+	long begin = Calendar.getInstance().getTimeInMillis();
+
+	for (int n = 0; n <= TOTAL_OPERATIONS; n++) {
+	    String key = "foo" + n;
+	    jedis.set(key, "bar" + n);
+	    jedis.get(key);
+	}
+
+	long elapsed = Calendar.getInstance().getTimeInMillis() - begin;
+
+	jedis.disconnect();
+
+	System.out.println(((1000 * 2 * TOTAL_OPERATIONS) / elapsed) + " ops");
+    }
+}