摘要:
A web server comprising multiple computer systems includes at least one system which maintains a database of redundant session-persistent data on behalf of other systems which process HTTP session workloads for clients. A session analyzer extracts information from this redundancy database to characterize HTTP session workloads. Preferably, session workloads are processed by middleware comprising an application server and one or more applications. The application server maintains session-persistent data as data objects, and automatically updates the database of redundant data which responses are transmitted to a clients. The session analyzer independently extracts data from the redundant database to characterize the session workloads. Optionally, the analyzer includes an intelligent inferencing function which can make tuning recommendations from the extracted data.
摘要:
An emergency notification feature for a mobile station calls for automatically and periodically activating the mobile station and polling a wireless communications network for emergency messages. Notice of an emergency is provided to a user of the mobile station through at least one of a ring tone and an automatic call-back.
摘要:
A method for autonomically detecting and recreating exceptions occurring in a runtime environment during software development/testing. Dynamically-generated code of an exception detecting and recreating (EDR) utility is inserted into the application programming interface (API) entry points to the server to store method call parameter states by either cloning the objects or implementing Java serialization/de-serialization. The runtime listens for exceptions to be thrown and generates a java file that allows the API to be later invoked with the stored parameters for the specific interaction that generated/caused the exception. When the application is stopped, the java files generated are packaged into an application that will run on the server and allow re-execution of the problem paths.
摘要:
A method, apparatus, system, and signal-bearing medium that, in an embodiment, create a tag that identifies an application, store the tag in a class of the application, and count a number of times the tag appears in an entry nearest a top of a runtime stack. Counting the number of times the tag appears may include finding an entry nearest a top of a runtime stack that includes the tag and incrementing a count associated with the tag in response to the finding. The creating is performed in response to submission of the application to an application server. In an embodiment, the tag is created based on a cryptographic hash of an archive file that contains the application. In response to a method associated with the class requesting a remote service, the tag is embedded in a remote service request message, which is sent to a remote application server, where the tag is stored in a service class.
摘要:
A method, apparatus, system, and signal-bearing medium that, in an embodiment, send units of work to grid executors, create training data based on the performance of the grid executors, and train a neural network via the training data. The training data includes pairs of input and output data, where the input data is the types of the units of work and the output data is the service strengths of the grid executors. Once the neural network has been trained, subsequent units of work have their grid executors selected by inputting the types of the units of work to the neural network and receiving a service strength from the neural network as output. The grid executors are then selected based on the output service strength from the neural network. In this way, in an embodiment, the grid performance may be increased.
摘要:
A method for compensating for disruption caused by trace enablement is provided. The method includes receiving a selected target to run a program, receiving a selected program that has been identified as having a problem, and receiving a selected trace type. The method also includes enabling a trace compensator for identifying non-critical code in the selected program. The non-critical code is determined by the trace type. The method further includes running the program with a trace to identify the problem, the trace compensator causing the program to suppress the non-critical code for problem reproduction to adjust for timing discrepancies.
摘要:
An apparatus, program product and method associate a unique key with routines in an application to enable a profiler to ascertain whether to collect profile information for a routine during its execution. A key may be generated, for example, during deployment or installation of an application in an application server or other runtime environment, and subsequently associated with the routines in the application, e.g., by storing the key in the class and/or library files for the application. By doing so, each application in a runtime environment may be uniquely identified by a profiler during execution, such that profile information will only be collected for those applications for which profiling has been enabled.
摘要:
A method, system, and computer program product for enabling efficient start up of an application server with the components required for complete operation of the supported application. A pre-processor autonomically determines the specific services that are required by the application to be initiated within the application server during start up of the application. The specific services are selected from a comprehensive list of available services for start up of the application server. The application server is then started up with only the specific services required by the application, rather than the full list of services.
摘要:
A method, apparatus, system, and signal-bearing medium that, in an embodiment, determine a cipher strength based on a trust level associated with a request, create a unit of work based on the request, encrypt the unit of work into a message based on the cipher strength, and send the message to grid servers. In various embodiments, the trust level may be determined based on a security token associated with the request or based on a zone from which the request originates. In various embodiments, the request originates from a client that belongs to the zone or originates from one of the grid servers that belongs to the zone. In an embodiment, a request from a grid server may be associated with a response to a previous unit of work that the grid server executed.
摘要:
Disclosed is an apparatus, method, service product, and program product which each provide an enhanced, registration-based event handler mechanism. Listener programs are located and compiled before notification is needed. When notification is ultimately required, the pre-located listeners can be called directly without incurring the performance expense associated with first locating and then calling each listener.