| 摘要 |
An analyzing apparatus calculates a time-series change in an average process time per process of a server belonging to a first tier of a plurality of tiers and a time-series change in an average process time per process of a server belonging to a second tier of the plurality of tiers, referring to a storage unit that stores, with respect to each transaction executed in a multi-tier system in which a plurality of servers coordinate with each other to execute the transaction, information indicating periods in which the server in each of the plurality of tiers executes processes for the transaction. The apparatus determines the presence/absence of a correlation between the time-series change in the average process time of the server belonging to the first tier and the time-series change in the average process time of the server belonging to the second tier.
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