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FusionCloud 6.3.1.1 Solution Description 04

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Application Management

Application Management

ServiceStage schedules resources for deploying various applications including containerized applications, non-containerized applications, DaemonSet containerized application, stateful applications, and stateless applications. Management operations such as configuration, updating, upgrade, and uninstallation are supported during the application running.

If you intend to create applications, it is important that you have a basic understanding of the following concepts.

Table 39-3 Application-related concepts

Term

Explanation

Application

A deployable software entity that consists of one or one group of containers or processes.

Container

An instance deployed using container image. Multiple containers can run in one node.

Containerized application

Applications that are built and run by the container technology.

Non-containerized application

Applications that are run in OS deployed in physical or virtual machines.

Stateless containerized application

Application instances are independent of each other. Each web request is completely isolated from other requests. A request contains all essential information required for this request.

Stateless containerized applications are more reliable and have better scalability.

Stateful containerized application

There are multiple dependent application instances providing different functions and there are startup sequence of instances. Stateful containerized application is used for applications that require data persistent storage.

DaemonSet containerized application

The DaemonSet containerized application is used to monitor, collect, and report status information about nodes.

Normal job

Common tasks are one-off batch tasks and can be executed after being deployed.

Cron job

A TimeTask is a scheduled task for batch processing.

Application group

You can place some applications to an application group and perform unified management.

Label

Labels are attached to objects such as applications, nodes, and services in key-value pairs.

Labels define identified attributes of these objects and can be used to manage and select objects.

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Updated: 2019-10-23

Document ID: EDOC1100063247

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