International Business Machines Corporation

Ohad Eytan

Ety Khaitzin

Effi Ofer

A method for managing a data cache, comprising: storing a cache management list comprising a plurality of entries and having: a tail part stored in a first storage and documenting recently accessed data items stored in the data cache, a body part stored in a second storage and documenting less recently accessed data items stored in the data cache, and a head part stored in the first storage and documenting least recently accessed data items stored in the data cache; and in each of a plurality of iterations: receiving at least one data access request; documenting the data access request in the tail; identifying a plurality of duplicated entries present in the body and the tail; and removing each of the plurality of duplicated entries from the body in the second storage according to a physical organization in the second storage of the plurality of duplicated entries.

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Karmel Katif, Israel

Ohad Eytan