[Info-vax] How would you load balance excess webserver traffic between multiple OpenVMS servers?
Dirk Munk
munk at home.nl
Wed Jan 13 09:03:47 EST 2021
D W wrote:
> There are MULTIPLE different approaches to doing this. Most involve HTTP (web) cookies and may involve DNS round robin load balancing or load balancers.
>
> But how would this be accomplished using Apache or another web package on OpenVMS?
>
> Would you use the same approach?
>
> Also if you house a DB like RDB on a separate OpenVMS server, what would be the fastest connect solution to obtain the fastest data transport rates between the DB server and other web servers?
>
First of all, I would look at WASD, and not Apache. WASD is (at least)
VMS Cluster aware, and is much and much more powerful (performance) than
Apache, at least it was the last time I looked.
You could use a DNS server with round robin functionality. That way you
can use multiple IP interfaces on one VMS server, as well as more VMS
servers.
Perhaps you can use DECRAM , however it has not been ported to x86-64
yet. Don't know how difficult that would be. DECRAM disks behave like
normal disks, so shadowing etc. is supported.
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