IBM Z Software
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Well, for one thing it would make recycling Zowe run a lot faster. on our systems that takes over ten minutes. :-0
Python got a 70% zIIP redirect and that's a scripting language with generally no more compute-intensive applications than Node.js has, but somehow it was justified by IBM. I think because the Ansible folks wanted it to run as fast as it does on a PC. We have client-initiated web transactions on our public sever that wait for Node.js transactions on z/OS to complete and that's a similar situation. We have Node.js programs monitoring directories, copying data from one platform to another, and doing a multitude of things. Some of that runs under Linux for Z (on an IFL), some of it runs on x86, and some of it runs on z/OS (ordinary CPs). We observe substantial differences in performance comparing Node.js running on z/OS to the other platforms. Our IBM Z is an 8652-B03.
Edward, thanks for the input. Could you share potential use cases for zIIP offload? Since Node.js is mainly for I/O intensive workloads, we need to evaluate potential zIIP usage for further consideration.