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METHOD, DEVICE, AND COMPUTER PROGRAM PRODUCT FOR MANAGING ADDRESS MAPPING IN STORAGE SYSTEM
METHOD, DEVICE, AND COMPUTER PROGRAM PRODUCT FOR MANAGING ADDRESS MAPPING IN STORAGE SYSTEM
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机译:用于管理存储系统中的地址映射的方法,设备和计算机程序产品
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摘要
The present disclosure relates to a method, device and computer program product for managing an address mapping of a storage system. A group of data objects in the storage system are mapped to a group of buckets in the address mapping, the group of buckets being divided into a first group of active shards which are associated with a group of storage devices in the storage system, respectively. In the method, a first write request for writing a first data object to the storage system is received. The address mapping is updated so as to map the first data object to a first bucket in the group of buckets. The storage system is instructed to store the first data object to a first storage device in the group of storage devices, and the first storage device is associated with a first active shard to which the first bucket belongs. The storage system is managed based on the updated address mapping. With the above example implementation, the address mapping in the storage system may be managed with higher efficiency, and further the overall response speed of the storage system may be improved. There is also provided a corresponding device and computer program product.
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