gnepzhao

8 ms·

31.
by gnepzhao 11y ago
Let me be more clear. The problem of VM is not virtualization (or hypervisor), the problem is "Machine". For a long time, we try to emulate a complete machine with a complete "OS" running atop. What Docker really changed
32.
by gnepzhao 11y ago
TCP yes, but the filesystem is provided by the Docker image.
33.
by gnepzhao 11y ago
Well, the container here refers to HyperContainer or virtualized container. "run container in VM" is even more misleading, don't you think?
34.
by gnepzhao 11y ago
No, very similar conceptually, but totally different implementations.
35.
by gnepzhao 11y ago
Thanks. I remember a blog post that coined a term "virtualized container", but cannot find the link right now. I wouldn't use the word VM, as it reminds us of the heavy full-blown images. It is probably more misleading to say
36.
by gnepzhao 11y ago
I fully respect Joyent guys. My message isn't exactly right. The only (probably trivial) difference I can see is that with hypervisor you can BYOK.
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by gnepzhao 11y ago
1) Hyper_ offers EBS-like volume and snapshot for your container. You can failover volumes cross containers 2) Given the instance startup time, you can program the APIs to do the scaling/HA, etc. 3) Yes, think Hyper_ as a virtual conta
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by gnepzhao 11y ago
Cool, will check it out. Thx!
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by gnepzhao 11y ago
Depend on how one define OS. If kernel=OS, then yes, it is stripped down one. But HyperContainer is different from container OS, like coreos, that it is just a kernel, no rootfs.
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by gnepzhao 11y ago
Yes, somewhat close. The difference here is that Hyper_ follows the native Docker interface. So working with it is the same as on your laptop.
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by gnepzhao 11y ago
Cheers!
42.
by gnepzhao 11y ago
Hi,cofounder of Hyper_ here. 1) AFAIK, this is the first secure container cloud. 2) You can play with it, but better wait till out of beta 3) We are funded :)
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by gnepzhao 11y ago
Basically it uses a hypervisor to launch your docker image, but not a full blown VM, since there is no guest OS, like ubuntu or coreos in the VM. There is only one tiny kernel in the HyperContainer to run your Docker app.
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by gnepzhao 11y ago
Yes, it gives you the native docker interface, but remove the cluster mgmt.
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by gnepzhao 11y ago
Yes, but the nature of lxc makes it much easier to exploits.
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by gnepzhao 11y ago
Not sure how secure they are. But sounds a bit scary to run my app in a shared-kernel environment.
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Ask HN: Upon what scale you should use Mesos?
1 points by gnepzhao 12y ago|0 comments
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Ask HN: Is Docker cluster the right choice for small deployment?(reddit.com)
2 points by gnepzhao 12y ago|0 comments
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by gnepzhao 12y ago
What if you can automate your AWS infrastructure, so there will NoOps, like using Heroku: CD/CI, AutoScaling, AutoHealing, just battery included? The point is that you have the 100% control of the infra, but the orchestration service c
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by gnepzhao 12y ago
+1 If you want to do orchestration of both the infra and the app, you need things like opsworks.
51.
Seeking expertise on Ruby/Node.js/Django
4 points by gnepzhao 12y ago|0 comments
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by gnepzhao 12y ago
seriously, don't host your own PaaS. It simply add more complexity into the game. When things went wrong, you have no clue how to bring the PaaS back at the first place. Learning how to secure your servers and scale your app is not an
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by gnepzhao 12y ago
+1 I'd like quote Adrian Cockcroft: "the undifferentiated heave lifting". However, the heavy lifting is the daily operation work, not the knowledge to scale your app, HA/DR, CD/CI, etc. Compared with the black-box
54.
by gnepzhao 12y ago
Checkout visualops.io. We are language-independent devops automation service. Similar value with Heroku: autoscaling, auto-healing, push-to-deploy, but not blackbox. Instances runs in your own account. Even if we go down, your app will not
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Visualize your AWS VPC(medium.com)
4 points by gnepzhao 12y ago|0 comments
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by gnepzhao 12y ago
No. But that's a problem to be solved with how we leverage the tool, not the tool itself.
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by gnepzhao 12y ago
IMO the idea is about the capability of "automation, reproducible system config systems", not who should do what.
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by gnepzhao 12y ago
founder here. Yes, the UI looks similar. However VisualOps is not an editor to create your app, it continuously manages the apps to make sure they runs in the desired state.