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The "TaskTable" page has been changed by ChiaHungLin: https://wiki.apache.org/hama/TaskTable?action=diff&rev1=4&rev2=5 == Job Task Relation == - * Row: numBSPTasks - * Column: maxTaskAttempts + A TaskTable records tasks information. + * The entire task table belongs to the same [[BSPJobID|BSPJobID]]. + * A 2d array space is allocated with '''numBSPTasks''' row, and '''maxTaskAttempts''' is configured to check if `attempt task' exceeds the upper bound. + * Each row's first slot (ie Task[0]) is assigned with a task where + {{{ + TaskID's id: 1...N where N < numBSPTasks + TaskAttemptID' id: 1 + }}} + * A task managed by the task table has attributes such that + {{{ + {TaskID's id: 1...N where N < numBSPTasks, and the same row's id should equal.} + {TaskAttemptID's id: 1...M where M < maxTaskAttempts } + }}} || ||<style="text-align: center;"-3>maxTaskAttempts || ||<|2> numBSPTasks || Task {jobId:1, taskId: 1, attemptId:1} || Task {jobId:1, taskId: 1, attemptId:2} || Task jobId:1, taskId: 1, attemptId:3 ||
