Asp.net session management in load balance environment

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+1 Q:

Asp.net session management in load balance environment

Any recommendations for transition from single server to load balancing environment of 3 servers?

I considered using Sql Server session management, but I am storing linq2sql objects in session which has serialization issues. With a quick search I found a workaround .But I am skeptical to use this approach considering code-change/readability/performance issues. Any suggestions are welcome.

+2 A:

Just a suggestion : Can't you use sticky sessions in your load balancer?

LightX 2010-08-02 23:26:03

I am using inproc until now. I don't know how to use sticky sessions in asp.net. Is there a way to access and modify the sessions in load balancer?

Syam 2010-08-02 23:32:04

@Syam, This has to be configured at the loadbalancer. We are using this in production with three servers. Most hardware and s/w load balancers are able to do this. see.. http://en.wikipedia.org/wiki/Load_balancing_(computing)#Persistence

LightX 2010-08-03 00:17:38

@LightX, I just confirmed with network team about the sticky sessions. This solves my issue. Thank a lot

Syam 2010-08-03 18:36:55

+2 A:

We use memcached but it sounds like you want something to be a more critical portion of your app than just caching if you're placing LINQ to SQL objects up there (and I btw agree with RPM that you should consider getting out of that business...)

Anyway, this is a nice blog post that gives you a few options. Velocity is definitely one to look at since it's what Microsoft is offering (this is an asp.net app) and it seems to be gaining steam these days.

Tahbaza 2010-08-03 00:35:29

@Tahbaza, I like this solution but my problem seems to be much simpler than that. @LightX suggested I use sticky sessions for this issue. Thanks a lot any way. As I mentioned, I am using colletion<T> objects to store in the session. The relation between those tables are the once causing serialization pains

Syam 2010-08-03 18:42:58

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Asp.net session management in load balance environment

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