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Master Data Structures
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Efficiently manage tasks with fault tolerance. Track progress, handle failures, ensure machine availability, and safeguard data with periodic checkpoints for uninterrupted workflow.
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Master Data Structures
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Presentation Transcript
Data Structure • The map keeps track of each task and its state • Idle • In progress • Completed • keeps track of the machines identity
Fault Tolerance • Master pings each worker periodically to make sure each node is still there • If a machine fails then the master sends a command to re-execute the task • Master writes periodic check points if master fails
Questions • ??????
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