Container scheduling in a container orchestration system

A computer system for container scheduling in a container orchestration system (COS) comprising:

• one or more processors, one or more computer-readable memories, one or more computer-readable tangible storage media, and program instructions stored on at least one of the one or more tangible storage media for execution by at least one of the one or more processors via at least one of the one or more memories, wherein the computer system is capable of performing a method comprising:
• detecting a new unit comprising one or more containers;
• predicting available memory for each of a plurality of candidate nodes deployed in the COS based on page sharing information of each candidate node;
• filtering the plurality of candidate nodes to obtain a set of filtered nodes, wherein the available memory of each of the set of filtered node meets a memory size limitation of the new unit;
• ranking priorities of the set of filtered nodes according to one or more priority functions;
• and
• deploying the new unit to one of the filtered nodes based on the priorities.

A computer program product comprising one or more computer-readable storage media and program instructions stored on at least one of the one or more tangible storage media, the program instructions executable by a processor to cause the processor to perform a method comprising:

• detecting a new unit comprising one or more containers;
• predicting an available memory for each of a plurality of candidate nodes deployed in the COS based on page sharing information of each candidate node;
• filtering the plurality of candidate nodes to obtain a set of filtered nodes, wherein the available memory of each of the set of filtered node meets a memory size limitation of the new unit;
• ranking priorities of the set of filtered nodes according to one or more priority functions;
• and
• deploying the new unit to one of the filtered nodes based on the priorities.