1、 登录jenkins,进入【Manage Jenkins】-【Script Console】,输入:
bash
def jobName = "Test" //删除的项目名称
def maxNumber = 60 // 保留的最小编号,意味着小于该编号的构建都将被删除
Jenkins.instance.getItemByFullName(jobName).builds.findAll {
it.number <= maxNumber
}.each {
it.delete()
}

2、点击运行即可删除历史构建记录