Can we have Multiple RedisSessionStateProvider

Sushanth Kumar Jayanthi 0

Hello,

We are migrating our redis instance from V4 to V6 , after the migration we want to switch the provider from old to new. Is there any way where i can dynamically swich between the rovider based in a flag ?

https://www.nuget.org/packages/Microsoft.Web.RedisSessionStateProvider/

Ex:

 <sessionState      mode="Custom"      cookieless="UseCookies"      regenerateExpiredSessionId="true"      timeout="245"      cookieName="DESKTOPSESSION"      cookieSameSite="None"      customProvider="Dmc.WebService.CustomSessionStateProvider">      

<providers>         

<add name="RedisNew" type="Microsoft.Web.Redis.RedisSessionStateProvider" connectionStringNew="redisnew.redis.cache.windows.net:6380,password=fafafvdf=,ssl=True,sslProtocols=Tls12,abortConnect=False" throwOnError="false" operationTimeoutInMilliseconds="5000" retryTimeoutInMilliseconds="8000" connectionTimeoutInMilliseconds="10000" />

<add name="RedisOld" type="Microsoft.Web.Redis.RedisSessionStateProvider" connectionString="redisold.redis.cache.windows.net:6380,password=fdfafggegge=,ssl=True,sslProtocols=Tls12,abortConnect=False" throwOnError="false" operationTimeoutInMilliseconds="5000" retryTimeoutInMilliseconds="8000" connectionTimeoutInMilliseconds="10000" />     
 </providers>   

 </sessionState>

Based on a flag we want to swich from old to new at runtime without restartign the app

Sushanth Kumar Jayanthi 0 Reputation points

2023-09-12T13:55:53.67+00:00

Thanks @GeethaThatipatri-MSFT for confirming that we cannot changee the state provider dynamically without a restarting the app.

This link https://stackoverflow.com/questions/17785084/dynamic-session-state-provider mostly talks about trasformers when deploying in multiple environments

I requirement is similar to this https://stackoverflow.com/questions/11667234/aspnet-switch-between-session-state-providersBut it is not possible without restarting the app
Sushanth Kumar Jayanthi 0 Reputation points

2023-09-12T13:57:25.2566667+00:00

Thanks @GeethaThatipatri-MSFT for confirming RedisSessionStateProvider cannot be switched dynamically without a restart
GeethaThatipatri-MSFT 29,477 Reputation points Microsoft Employee

2023-09-12T14:40:52.61+00:00

@Sushanth Kumar Jayanthi If this answers your question, please consider accepting the solution by hitting the Accept as Solution ‌‌as it helps the community look for answers to similar questions.

Please do let me know if you have any other questions

Regards

Geetha

1 answer

GeethaThatipatri-MSFT 29,477 Reputation points Microsoft Employee

2023-09-11T19:46:56.4766667+00:00

Hi,@Sushanth Kumar Jayanthi Thanks for posting your question in the Microsoft Q&A forum.

If I understand correctly you want to know if it is possible to dynamically switch between two RedisSessionStateProvider instances based on a flag without restarting the app.

The session state provider cannot be changed dynamically. However, you can find a way as mentioned here

You check the similar ask in the SO forum here

On your second question, you might be able to use reflection to achieve the desired outcome.

Regards

Geetha
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