Question
Jelastic Main Process Resource Consumption
- Posted on March 25, 2020
- DigitalOcean 1-Click Apps Marketplace
Asked by Steve Lambe
Hi there,
With Jelastic now being available as a One-Click app I’m curious as to what would actually be needed to run a few small sites using it. The documentation is pretty unclear as to what is needed. The following questions present themselves to me from reading the documentation so far:
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It seems you don’t need to add a second “worker” node to begin deploying applications, if that’s the case how much of the main nodes resources are consumed by Jelastic itself?
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Can applications running from Jelastic access other DO resources like Managed Databases?
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Do worker nodes have to be the same size as the primary node? I.e. primary Jelastic node is 16 GB of RAM, do all other worker nodes need to be 16 GB as well or could I spin up a few smaller nodes to run alongside it?
Any help in understanding this would be appreciated.
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The current package of MongoDB in the marketplace is a standard replica set with 2 member nodes only. This package is going to be replaced soon by the new version https://github.com/jelastic-jps/mongodb which is in the testing phase now. The improved implementation provides 3 replica set members by default and automatically connects new nodes during horizontal scaling. In general, auto-clustering offers a standard setup of a cluster. If you need anything custom feel free to fork and customize the package, or alternatively you can [request related professional services] (https://jelastic.com/enterprise-cloud-request) from our team. Please try the new package out and let us know your feedback.
Hello,
Thank you for your interest in Jelastic.
You will find answers to your questions below:
Jelastic orchestrator + OS uses about:
The applications running inside Jelastic on DO can have access to other DO resources. You need to configure this access in the security settings of the Managed Database [(screenshot)] (https://prnt.sc/rn9j05)
The size of other worker nodes doesn’t depend on the size of the orchestrator node. You can attach one or several nodes/droplets of different sizes (4/8/16/32+ GB) to your cluster. The instructions on how to add additional node/droplet can be found at the link https://ops-docs.jelastic.com/add-vm-as-user-node-on-digitalocean
It should be mentioned that all Jelastic environment configuration tutorials, deployment guides and application settings instructions that can be found at https://docs.jelastic.com/ are also applied to Jelastic installation on DigitalOcean.
We could assist more if you describe your use case in more detail. What’s your application topology? What are the software stacks used inside your applications?
Please feel free to post any additional questions you might have.