APPARATUS AND METHOD FOR MANAGING A FILE IN A DISTRIBUTED STORAGE SYSTEM

摘要

The present invention relates to an apparatus and method for managing a file in a distributed storage system. The apparatus and method for managing a file in a distributed storage system involve: computing the total number of inquiries on the file requested from a client; selecting the relevant file as a hot file if the total number of inquiries computed for a predetermined period is higher than a threshold value for determining a hot file; and increasing the number of copies of the file selected as a hot file, or storing the file selected as a hot file in a storage device having relatively good performance.