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Container clusters need to be managed. This includes functionality to create a cluster, to upgrade the software or repair it, balance the load between existing instances, scale by starting or stopping instances to adapt to the number of users, to log activities and monitor produced logs or the application itself by querying sensors.
A Docker container is a standardized, encapsulated environment that runs applications. [25] A container is managed using the Docker API or CLI. [22] A Docker image is a read-only template used to build containers. Images are used to store and ship applications. [22]
Docker, Inc. is an American technology company that develops productivity tools built around Docker, which automates the deployment of code inside software containers. [ 1 ] [ 2 ] Major commercial products of the company are Docker Hub , a central repository of containers, and Docker Desktop, a GUI application for Windows and Mac to manage ...
One of the original and now most common means of application checkpointing was a "save state" feature in interactive applications, in which the user of the application could save the state of all variables and other data and either continue working or exit the application and restart the application and restore the saved state at a later time.
The Start date and age template displays the date that an event or entity started or was created. Template parameters Parameter Description Type Status Year 1 A four-digit number indicating the year Example 2017 Number required Month 2 A number between 1 and 12 indicating the month Example 12 Number suggested Day 3 A number between 1 and 31 indicating the day of the month Example 31 Number ...
The schedule-based (e.g. time-of-the-day) and rule-based (e.g. CPU utilization thresholds) auto scaling mechanisms are easy to use and efficient for simple applications. However, one potential problem is that VMs may take up to several minutes to be ready to use, which are not suitable for time critical applications.
For example, the client uploads an image as image/svg+xml, but the server requires that images use a different format. 416 Range Not Satisfiable The client has asked for a portion of the file (byte serving), but the server cannot supply that portion. For example, if the client asked for a part of the file that lies beyond the end of the file.
Date that an event or entity ended or was dissolved Template parameters [Edit template data] Parameter Description Type Status YYYY 1 end year Number optional MM 2 end month Number optional DD 3 end day of month Number optional HH 4 end hours Number optional MM 5 end minutes Default 0 Number optional SS 6 end seconds Default 0 Number optional TZ 7 time zone offset, “+02:00”, “-06:00 ...