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I'm using StackExchange.Redis with C# and the StackExchangeRedisCacheClient.Get function throws the following exception.

myCacheClient.Database.StringGet(txtKey.Text)

'myCacheClient.Database.StringGet(txtKey.Text)' threw an exception of type 'System.TimeoutException' StackExchange.Redis.RedisValue {System.TimeoutException}

Message

"Timeout performing GET hi, inst: 12, mgr: ExecuteSelect, err: never, queue: 2, qu: 2, qs: 0, qc: 0, wr: 0, wq: 1, in: 0, ar: 0, IOCP: (Busy=0,Free=1000,Min=4,Max=1000), WORKER: (Busy=3,Free=4092,Min=4,Max=4095), clientName: ATT-AP-R8-F8WZD" string

Following is the method that I use to retrieve values from the Redis Database.

 protected void btnGetValue_Click(object sender, EventArgs e)
{
    try
    {
        var serializer = new NewtonsoftSerializer();
        var myCacheClient = new StackExchangeRedisCacheClient(serializer);

        var value = myCacheClient.Get<string>(txtKey.Text);
    }
    catch (Exception ex)
    {
        throw ex;
    }
}

All the other functions such as Add, GetInfo & FlushDb are working fine.

Improve this question
9
  • What is StackExchangeRedisCacheClient? because: that isn't raw StackExchange.Redis; how big is the payload that you are fetching here? (debug object {key} in redis-cli is a fair way of estimating this; look at the serializedlength:{...} field) Commented Aug 26, 2015 at 11:41
  • I used StackExchange.Redis.Extensions.Newtonsoft package as client (nuget.org/packages/StackExchange.Redis.Extensions.Newtonsoft/…). I tried raw StackExchange.Redis as well (nuget.org/packages/StackExchange.Redis/1.0.481) but it throws the same error when fetching. The payload was only a string with 3 characters (key: foo, value: bar) :) Commented Aug 26, 2015 at 12:30
  • That's odd; how does get foo behave in redis-cli? fast? or slow? also: is it possible that other redis clients on the same node are blocking you? for example, an unrelated app calling keys {something} ? (slowlog get can be helpful here); likewise, is it possible that this relates to persistence / replication? (the server log can help identify this) Commented Aug 26, 2015 at 13:25
  • redis-cli is working fast and fine. Can you check if I'm missing something in the configurations? <redisCacheClient allowAdmin="true" ssl="false" connectTimeout="5000" database="0"> <hosts> <add host="127.0.0.1" cachePort="6379" /> </hosts> </redisCacheClient> Commented Aug 27, 2015 at 5:46
  • 1
    Ah! I see; for some reason your data is queued unsent (qu: 2), with no writer (wr: 0). I have never seen that (at least, not in the production builds for the last ... forever), so frankly: I would have to investigate. This is almost certainly either a bug, or a problem in the initial handshake. I will have to look. Commented Aug 27, 2015 at 9:13
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