| 摘要 |
Request grouping rules are maintained for grouping a system request based on information relating to a character string in the system request; call relation sets are created from the system requests sent and received among the servers and stored in the request history by associating the system requests by call relation; the call relation sets are converted into inter-request group call relation sets based on the maintained request grouping rules; along with a frequency of appearance of the request group in the request history, inter-request group call relation patterns are derived for each request group, each inter-request group call relation pattern consisting of the request group invoking and the request group invoked by the request group in question; a rating value is calculated for rating the request groups based on the derived inter-request group call relation pattern.
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