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| kata-irc-bot | <raravena80> @torque_wrexer where are you going to run your k8s master? | 00:29 |
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| kata-irc-bot | <torque_wrexer> well, that's something that i'm trying to determine. i have read that when deploying k8s, that some care should be taken to planning the layout, and based on the intention of the user. the problem is, is that i have an intention, but no idea atm on how to plan my deployment haha | 00:52 |
| kata-irc-bot | <raravena80> you need a place for a k8s master, and k8s nodes. You run your workloads on the nodes, and the master is the control plane. You could have a master be also a node but it's not ideal. | 00:55 |
| kata-irc-bot | <torque_wrexer> so, would the master need vt-d access to the gpus? because if not, then could it be on server 1 where my maas regional would be? | 00:58 |
| kata-irc-bot | <torque_wrexer> because, i wanted to provision an ubuntu maas machine on 1) for the scrawler and its data. additionally, i have extra non-raided drives which i could mount for additional pool storage. | 01:03 |
| kata-irc-bot | <raravena80> It doesn't need it | 01:05 |
| kata-irc-bot | <torque_wrexer> ok, well then i could have it in a vm or container on 1, which would be its own container, or could it be in a VM? or as i suspect, it wouldn't really matter, because at that point i don't need the hardware access that a pure container would give me? | 01:11 |
| kata-irc-bot | <raravena80> it doesn't matter really, two VMs would be a bit slower than all containers on 1) but it would have 'more' isolation. | 02:12 |
| kata-irc-bot | <torque_wrexer> so, out of curiousity, when you say a bit, what % difference would you suspect? | 02:19 |
| kata-irc-bot | <torque_wrexer> let me rephrase | 02:20 |
| kata-irc-bot | <torque_wrexer> what would you say the % difference in the perfomance is? like, compared to a containerized version, how much slower would a VM be? | 02:21 |
| kata-irc-bot | <torque_wrexer> you see, i would prefer isolation for my scrawler, especially with its vlan | 02:32 |
| kata-irc-bot | <torque_wrexer> i would also prefer 2 to not have networking on the LAN. i wouldonly want it to connect to 1 via optical pcie | 02:34 |
| kata-irc-bot | <torque_wrexer> on server 2 nic #2 is the PXE interface. | 03:37 |
| kata-irc-bot | <raravena80> a VM is an extra layer. You have your host OS -> VM -> Guest OS -> Container. Without the VM it would be Host OS -> Container. Not sure what percentage exactly because it depends on how lightweight your VM and Guest OS, so it's on a case by case basis. | 04:42 |
| kata-irc-bot | <torque_wrexer> gotcha. it would be virsh KVM and a somewhat minimal install of ubuntu | 04:47 |
| kata-irc-bot | <torque_wrexer> but, to be honest, my guests and hosts are and will be minimal and all cli. so, i don't have a need for a vm other than the isolation i suppose. | 04:59 |
| kata-irc-bot | <torque_wrexer> but i can make unprivileged containers, correct? | 05:00 |
| kata-irc-bot | <torque_wrexer> or rather i could have a guest on server 1, which would host the container(s) for the scrawler and its storage. on server 2 i could have a maas rack controller and kata/k8s, and not need to have a host > vm > guest > container, but just host > container cluster and have maas region on server 1 simply handle the subnet, vlan, and pxe for server 2. would i be correct in believing this? | 05:06 |
| kata-irc-bot | <torque_wrexer> and still have unprivileged containers? | 05:07 |
| kata-irc-bot | <torque_wrexer> that do the heavy lifting for the gpus | 05:07 |
| kata-irc-bot | <raravena80> not with k8s... the k8s components running as root, also the kubelet runs as root. | 06:00 |
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