RTDM Runtime Load Balancing

tlorel — Mon, 25 Feb 2019 06:33:20 GMT

Hi Guys,

May I know your thoughts for below RTDM architecture please:

Setup:

-Two RTDM Runtime Servers
a. RTDM Runtime 1 (Standalone - Meta/Compute/Midtier)
b. RTDM Runtime 2 (Standalone- Meta/Compute/Midtier)

- Active-Active Setup (with HTTP Load Balancer / F5)

How to achieve Load balancing for the above 2 runtime servers?

Any docs for reference as well?

Thanks in advance

Re: RTDM Runtime Load Balancing

Dmitry_Alergant — Mon, 25 Feb 2019 16:05:10 GMT

Hi, yes - that's one of the possible and feasible options that we utilize with some of our clients. That's not the only option (there exist other architectures, including using a 3-node clustered runtime environment with clustered metadata server), and combination/hybrid approaches with even higher number of servers.

But what you are suggesting is possible and will work.

There are always pros and cons in choosing deployment architecture (including RTDM runtime high-availability and load balancing architecture), and there is no single silver bullet - you can't tell whether one option or another is better without a deep dive into a particular client situation, requirements, technical and organizational dependencies, priorities, etc.

One specific implication of the architecture you suggested is that every diagram change will need to be deployed twice, manually (on environment 1 and environment 2). It's an overhead, but also sometimes a benefit.

Not sure about your question ("How to achieve Load balancing for the above 2 runtime servers") - you have responded to that yourself, just one line ago ("Active-Active Setup with HTTP Load Balancer / F5") - that's how (on a high level). Or are you asking about more details of how to leverage F5 for that purpose?

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