Mulesoft Runtime Manager Interview questions answers in 2021
1) What is a Runtime manager?
- Runtime manager is to deploy and manage mule application on mule runtime engine, where mule runtime is running on Cloudhub or on-premise or on RTF.
- To deploy and stop mule applications
- You can manage the resource limits of Mule increase/decrease the worker size
- A Mule runtime is a runtime engine used to host and run Mule applications
- Mule runtimes can be provisioned on-premises and/or in the cloud
- One Mule runtime can host several Mule applications
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2) What is a vCore in Mule Runtime?
It is a unit of compute capacity for processing on Cloudhub. The minimum vCore size for an application is 0.1 vCore.
3) What is a worker in MuleSoft?
The worker is a dedicated instance of Mule hosted on AWS is used to run your hosted mule applications seamlessly
Features of workers:
- Capacity: Each worker has a specific amount of capacity to process data.
- Isolation: Each worker-run in a separate container from every other application
- Manageability: Each worker is deployed and Managed independently
- Locality: Each worker runs in a specific worker cloud such as US, EU, or Asia-Pacific
4) How many mule applications you can deploy in one worker in Cloudhub
Only one Mule Application can be deployed in one worker
5) What is the minimum and maximum Worker size available in Cloudhub?
0.1 vCores is the Minimum and 16 vCores is the maximum worker size available in Cloudhub
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6) What are horizontal scaling and vertical scaling?
Vertical scaling is to increase the worker size, when you want to process the CPU Intensive API’s or process a large payload with a small number of requests increase the vCore size.
Horizontal scaling is to increase the number of workers if you want to increase the throughput of high-frequency small payload
7) Can you disable the Cloudhub Logs?
Yes, in that case only the system logs are available in Runtime Manager. System logs provide the status of your worker deployment and whether your application started correctly, but do not provide application logs
8) What is the difference between MMC and CloudHub?
MMC: MMC is an enterprise management and monitoring tool designed specifically for Mule ESB instances. MMC provides a comprehensive set of functionality for managing and monitoring running Mule instances, Mule clusters, applications within Mule instances, and the flows within those applications.
CloudHub: CloudHub is an integration platform as a service (iPaaS) where you can deploy sophisticated cross-cloud integration applications in the cloud, create new APIs on top of existing data sources, integrate on-premises applications with cloud services
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9) How to implement clustering in MuleSoft
Horizontally we need to scale. This should be implemented by adding multiple workers to your application, Cloudhub automatically distributes multiple workers for the same application across 2 or more data centers for maximum reliability. When deploying your application to two or more workers, the HTTP load balancing service distributes requests across these workers, allowing you to scale your services horizontally. Requests are distributed on a round-robin basis.
10) What is the logging mechanism used in your project?
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