PROBLEM TO BE SOLVED: To provide a job performance analysis system capable of estimating a performance deterioration factor of a specific user job, a job performance analysis method and a program.SOLUTION: A job performance analysis system 100 includes: a user job execution management processing part 111 for controlling execution of a user job; a job ID issuance processing part 131 for issuing a job ID inherent for the user job; an execution server group 120 which includes one or more execution servers 121 to 123 and in which any one of the execution servers 121 to 123 executes the user job in accordance with an instruction of the user job execution management processing part 111; and a performance database 151. The execution server that executes the user job stores in the performance database 151 a performance value indicating a performance of resources that the execution server has, in the case of user job execution in association with the job ID of the user job.
