The described technology is generally directed towards validating content selection graphs for use in an in-memory content selection graph data store. When a content selection graph data is generated, the graph nodes can correspond to prebuilt response data. The response data for any of the nodes can be verified against rules based on the type of a node, for example, as well as based on client-specific information for types of clients. The overall validation process can validate the content selection graph for subsequent use, can result in errors or warnings being logged (which may or may not render the graph unusable, e.g., depending on severity), or can fail the content selection graph. If validated, the content selection graph can be used to rapidly return response data when content from the graph is requested.

Techniques for intelligent proactive template-driven data caching are disclosed. In one embodiment, a method is disclosed comprising receiving notification of input by the user of a user computing device, identifying a user activity corresponding to the user input, using the identified user activity to obtain a template comprising a number of data retrieval operations for the identified activity and timing information indicating, for each data retrieval operation, a corresponding timing for performing the data retrieval operation, performing a data retrieval operation identified by the template to retrieve data item(s) from data storage remote to the user computing device in accordance with the corresponding timing indicated by the template, causing the retrieved data items to be stored in data storage local to the user computing device.

Techniques for intelligent proactive template-driven data caching are disclosed. In one embodiment, a method is disclosed comprising receiving notification of input by the user of a user computing device, identifying a user activity corresponding to the user input, using the identified user activity to obtain a template comprising a number of data retrieval operations for the identified activity and timing information indicating, for each data retrieval operation, a corresponding timing for performing the data retrieval operation, performing a data retrieval operation identified by the template to retrieve data item(s) from data storage remote to the user computing device in accordance with the corresponding timing indicated by the template, causing the retrieved data items to be stored in data storage local to the user computing device.

The present disclosure discloses a method for preheating a resource file, and a central management system, and relates to the field of network communication technology. The method includes: according to historical bandwidth data of a target intermediate node, determining a bandwidth off-peak period of the target intermediate node; during the bandwidth off-peak period of the target intermediate node, pre-caching the resource file on an edge node corresponding to the target intermediate node.

The present disclosure discloses a method for preheating a resource file, and a central management system, and relates to the field of network communication technology. The method includes: according to historical bandwidth data of a target intermediate node, determining a bandwidth off-peak period of the target intermediate node; during the bandwidth off-peak period of the target intermediate node, pre-caching the resource file on an edge node corresponding to the target intermediate node.

Disclosed herein are enhancements for deploying applications in an edge system of a communication network. In one implementation, a cache node in a content delivery network identifies a request for an application that is shared by a plurality of customers. In response to the request, the cache node determines whether the customer associated with the request is permitted to execute the application and, if permitted, initiates the application as an isolation instance. The cache node further, in response to completing the application, returns control to a source operation associated with the request.

Disclosed herein are enhancements for deploying applications in an edge system of a communication network. In one implementation, a cache node in a content delivery network identifies a request for an application that is shared by a plurality of customers. In response to the request, the cache node determines whether the customer associated with the request is permitted to execute the application and, if permitted, initiates the application as an isolation instance. The cache node further, in response to completing the application, returns control to a source operation associated with the request.

A request is received from a client for data to render a modular contained widget component of an application user interface. Whether the requested data is cached at an intermediary server is determined at the intermediary server, wherein the requested data is based at least in part on one or more database records stored at a backend server. In response to a determination that the requested data is cached, the requested data is obtained from an identified cache instance that cached the requested data. The cached requested data is based at least in part on the one or more database records provided by the backend server to the intermediary server to maintain an updated version of the requested data at the identified cache instance. The requested data is provided to the client from the intermediary server.

Techniques for using trace with tunnels and cloud-based systems for determining measures of network performance are presented. In an embodiment, a method includes determining a client application is being executed; determining an endpoint associated with the client application, based on any of monitoring application logs associated with the client application and network flows associated with the client application; and causing one or more probes to the determined endpoint and deriving metrics based on the one or more probes for determining performance of the client application.

This application provides a mobile service upgrade method. In the method, each service kit in a mobile service is independently packaged into an APK based on a plugin-based idea, and then the kit is upgraded in real time when a user uses an application and the application invokes the kit. Compared with a full silent upgrade of the mobile service, this method shortens upgrade time and improves upgrade flexibility. Further, the APK of the kit includes a dependency relationship between the kit and a dependent kit, and the kit and the dependent kit may be upgraded together during upgrading. This avoids an invocation failure caused because a version cannot meet a requirement.