Emc IP Holding Company LLC

Kiko Wang

Yang Zhang

Pan Xiao

Fang Du

Zhenzong Jiang

Allen Chen

Ivan A Barajas Vargas

Clyde Xu Chen

Techniques perform data input and output. For example, there is provided a technique for updating a data pattern table. The technique involves: during a time period for establishing or updating the data pattern table: receiving a data write request; making statistics of a frequency of data being written; and writing data frequently used and an identification of the data to a corresponding entry of the data pattern table based on a result of the statistics. Using such a technique, a data pattern table can be customized and data storage efficiency can be improved.

Method, apparatus and computer storage medium for data input and output

There is disclosed a method, a system, and a computer program product suitable for backing up data on a computer system. In at least one embodiment, the method comprises monitoring activity in connection with a plurality of data objects. The method also comprises determining a level of activity in connection with each data object. The method further comprises evaluating the level of activity in connection with each data object. The method still further comprises scheduling a data protection process in connection with at least one of the data objects based on the said evaluation.

Scheduling data protection operations based on data activity

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Chengdu, China

Kiko Wang