maxTaskAttempts

numBSPTasks

Task {jobId:1, taskId: 1, attemptId:1}

Task {jobId:1, taskId: 1, attemptId:2}

Task jobId:1, taskId: 1, attemptId:3

Task jobId:1, taskId: 2, attemptId:1}

Task jobId:1, taskId: 2, attemptId:2}

Task jobId:1, taskId: 2, attemptId:3}