'StackExchange Redis exception

I'm facing exception on production server while on localhost its working fine here is the exception detail:

Full Exception....
 StackExchange.Redis.RedisTimeoutException: Timeout performing SETEX (5000ms), inst: 10, qu: 1, qs: 0, aw: False, bw: SpinningDown, serverEndpoint: localhost:6379, mc: 1/1/0, mgr: 10 of 10 available, clientName: PBKT003(SE.Redis-v2.5.61.22961), IOCP: (Busy=0,Free=1000,Min=16,Max=1000), WORKER: (Busy=1,Free=8190,Min=16,Max=8191), v: 2.5.61.22961 (Please take a look at this article for some common client-side issues that can cause timeouts: https://stackexchange.github.io/StackExchange.Redis/Timeouts)
   at StackExchange.Redis.ConnectionMultiplexer.ExecuteSyncImpl[T](Message message, ResultProcessor`1 processor, ServerEndPoint server)
   at StackExchange.Redis.RedisBase.ExecuteSync[T](Message message, ResultProcessor`1 processor, ServerEndPoint server)
   at StackExchange.Redis.RedisDatabase.StringSet(RedisKey key, RedisValue value, Nullable`1 expiry, Boolean keepTtl, When when, CommandFlags flags)
   at WMC.Util.RedisHelper.SetList[T](String memKey, List`1 list, Int32 expiryInterval, ExpiryType expiryType)


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Source: Stack Overflow

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