Dell Products Inc.

Emc IP Holding Company LLC

Jing Ye

Chi Chen

Bo Hu

Nan Wang

Qian Wu

Yang Wu

Jia Huang

Biao Yan

Techniques for generating a test case involve: acquiring a first set of coding sequences representing a first set of test cases selected from a test case set for product testing. A test element in a test case of the test case set is coded based on the position of the test element in the element hierarchy of the test case set. The techniques further involve: generating a second set of coding sequences by performing a random variation related to at least one test element with respect to the first set of coding sequences; and generating a second set of test cases based on the second set of coding sequences. Accordingly, product testing and development may be automated, and the case set may change dynamically in a way that is adapted to product development while significantly reducing the overhead of designing and reviewing test cases throughout the product life cycle.

Method, device, and computer program product for generating test case

Embodiments of the present disclosure provide a method, an electronic device, and a computer program product for backing up data. The method may include acquiring a system state of a storage system according to a data backup task. The method further includes generating, by a reinforcement learning model, a plurality of candidate backup policies based on the system state. The method further includes determining a plurality of reward values for the plurality of candidate backup policies based on amounts of resources occupied by an IO task in a plurality of time periods corresponding to the data backup task. The method further includes selecting a target backup policy based on the plurality of reward values. The method further includes performing the data backup task using the target backup policy.

Method, electronic device, and computer program product for backing up data

Embodiments of the present disclosure relate to a method, an electronic device, and a computer program product for testing. The method includes: obtaining code modification information, program error information, and test case information. The method further includes: selecting a first test case set associated with code modification records from the test case information according to the program error information. The method further includes: sorting multiple test cases in the first test case set to generate a test strategy for the code modification records. Embodiments of the present disclosure may select the best test case for current code fix to meet different test requirements and reduce the test time.

Method, device, and computer program product for testing

An apparatus comprises a processing device configured to obtain testing logs generated by executing test cases on information technology assets of an information technology infrastructure, to parse the testing logs to generate a set of log event templates for testing actions performed during execution of the test cases on the information technology assets of the information technology infrastructure, to generate vector representations of the test cases utilizing the generated set of log event templates, and to perform, utilizing one or more machine learning-based hierarchical clustering algorithms that take as input the generated vector representations of the test cases, hierarchical clustering of the plurality of test cases. The processing device is also configured to generate, based at least in part on the hierarchical clustering results, testing plans for a given information technology asset of the information technology infrastructure.

Hierarchical clustering of test cases for use in generating testing plans for information technology assets

Techniques for RAID reconstruction involve: determining, from a task list, multiple stripes in a RAID that are involved in a to-be-processed task within a current task window, the task list including an external I/O request task and an internal reconstruction I/O request task, and each stripe including data on a first number of data disks and data on a second number of parity disks; reading data from the multiple stripes into a read buffer; and if data of the first number of data disks in a stripe among the multiple stripes has already been read into the read buffer, performing the internal reconstruction I/O request task on the stripe. Such a technique helps to increase the processing power and efficiency of the data storage system to recover the reconstruction of RAID stripes while coping with external I/O requests.

Method, electronic device, and computer product for RAID reconstruction

Techniques for replicating data involve: acquiring a first snapshot of a data block set, the first snapshot being a snapshot before a first subset of the data block set starts to be replicated; acquiring a second snapshot of the data block set, the second snapshot being a snapshot of the data block set when replication of the first subset is completed; and determining, based on a difference between the second snapshot and the first snapshot, a second subset of the data block set, the second subset being different from the first subset. Accordingly, such techniques can improve data protection efficiency in asynchronous replication.

Method for copying data, electronic device and computer program product

An application system includes a plurality of objects, one of which has one of a plurality of object types. A first object associated with a first message in a plurality of messages in the application system is determined from the plurality of objects, the first message being generated based on the first object. A second object type having a dependency on a first object type of the first object is acquired based on a type dependency between a set of object types in the plurality of object types. The plurality of messages are searched for a second message generated based on a second object of the second object type. The first message and the second message are displayed associatively. Associated messages in a plurality of messages may be acquired, and then the plurality of messages are presented more clearly and more effectively.

Method, device, and computer program product for managing message in application system

Techniques provide for specifying priorities and thresholds used for cache promotion and flushing on a per pool basis. The thresholds may include a promotion threshold and a flushing threshold. The promotion threshold is used to determine whether data portions of the pool are promoted to a secondary cache. The flushing threshold is used to determine whether any data portions of the pool currently stored in the secondary cache are flushed to non-volatile physical storage. Each of the promotion threshold and the flushing threshold for the pool may be determined in accordance with the priority specified for the pool. For remaining data portions that are included in a pool for which a pool specific priority is not specified, a default technique may be used, for example, which uses the same promotion threshold and the same flushing threshold for all pools for which a pool specific priority is not specified.

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Chengdu, China

Jing Ye