* @return number of redis shards
*/
public int getNumberOfRedisShards() {
boolean brokenJedis = false;
ShardedJedis jedis = getResource();
try {
return jedis.getAllShards().size();
} catch (JedisException ex) {
brokenJedis = true;
throw ex;
} finally {
returnResource(jedis, brokenJedis);