ALLOCATING APPARATUS AND ALLOCATION METHOD

原文（中国語）

A first data mapping table is specified such that each chunk in a first chunk group in each first arrangement group including the first chunk group is distributedly arranged in a different computer node, a second data mapping table is specified such that each chunk in a second chunk group in each second arrangement group including the second chunk group is distributedly arranged in a different computer node, and processor configured to determine whether an imbalance in unallocated capacity among the plurality of computer nodes is within a tolerance, allocate first chunk groups to unallocated capacity of computer node groups with use of the first data mapping table, for when the imbalance is outside the tolerance, and allocate second chunk groups to unallocated capacity of the plurality of computer nodes with use of the second data mapping table, for when the imbalance is within the tolerance.