[nylug-talk] Sharing state between frontend web servers

[Brian Gupta]

Use a backend database cluster, and store state in the db.

On 7/2/07, Michael Bacarella <mbac at netgraft.com> wrote:
>
> I have web server A.
>
> We want handle increased load and add fault tolerance by
> adding web server B.
>
> The challenge is of course synchronizing sessions and
> uploaded content between web server A and B.  I've
> usually set up an NFS server F and have both A and B
> map the exported filesystem from F.
>
> While this solves some scalability issues, it does move the
> point of failure to F; but this is solved by setting up a
> periodic rsync from F to duplicate server G.
>
> I wonder if anyone uses other approaches with success?
>
> --
> Michael Bacarella <mbac at netgraft.com>
>
> 1-646-641-8662 (cell)
>
> 545 Eighth Avenue * Suite 401
> New York, NY 10018
>
> http://michael.bacarella.com/
>
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