varMcRedis=require('mc-redis');varmcRedis=newMcRedis();// Start clusermcRedis.start(['10.0.0.6:6379','10.0.0.5:6379','10.0.0.4:6379','10.0.0.3:6379',]);// Updates cluster serversmcRedis.update(['10.0.0.8:6379',// New server// '10.0.0.6:6379', // Old server'10.0.0.5:6379','10.0.0.4:6379','10.0.0.3:6379',]);// Choose randomly one of servers and set valuemcRedis.set('a-key','a-value');// Ask all servers for the valuemcRedis.get('b-key');