A computer-readable non-transitory recording medium having stored therein a data analyzing program that causes a computer to execute a process. The process includes acquiring a transition matrix of data access based on a data access record of the data access; calculating an entropy rate for each of transition counts by using the transition matrix; determining mutual relevance of the data access based on the entropy rate; and storing data related to the data access on a disk, allocation of the data on the disk being determined by the mutual relevance of the data access.
Please help me write a proper abstract based on the patent claims. CLAIM: 1. A computer-readable non-transitory recording medium having stored therein a data analyzing program that causes a computer to execute a process, the process comprising: acquiring a transition matrix of data access based on a data access record of the data access; calculating an entropy rate for each of transition counts by using the transition matrix; determining mutual relevance of the data access based on the entropy rate; and storing data related to the data access on a disk, allocation of the data on the disk being determined by the mutual relevance of the data access. 2. The computer-readable non-transitory recording medium according to claim 1, wherein when N represents integers starting from 1 and indicating order numbers of a Markov chain representing the data access and the entropy rate is acquired for each value of N, the mutual relevance is estimated based on a change state of the entropy rate relative to N. 3. The computer-readable non-transitory recording medium according to claim 1, wherein arrangement of data on the disk based on the data access is controlled based on the mutual relevance. 4. The computer-readable non-transitory recording medium according to claim 1, wherein an effect of data locality is analyzed in accordance with a cache hit rate or a cache miss rate acquired based on the entropy rate and access patterns which are previously set. 5. The computer-readable non-transitory recording medium according to claim 4, wherein the cache hit rate or the cache miss rate is calculated based on the transition counts where the entropy rate exceeds a logarithm of a segment size previously set. 6. A method for analyzing data access used in a data access analysis apparatus, the method comprising: acquiring a transition matrix of data access based on a data access record of the data access; calculating an entropy rate for each of transition counts by using the transition matrix; determining mutual relevance of the data access based on the entropy rate; and storing data related to the data access on a disk, allocation of the data on the disk being determined by the mutual relevance of the data access. 7. A data access analysis apparatus comprising: a transition matrix generation unit configured to generate a transition matrix of data access based on a data access record of the data access; an entropy rate calculation unit configured to calculate an entropy rate for each of transition counts by using the transition matrix; and a locality analysis unit configured to determine mutual relevance of the data accesses based on the entropy rate and analyze locality by the mutual relevance of the data access.