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Other Google Technologies

Other Google Technologies. Workqueue: Scheduling many jobs on many machines. A large scale time sharing system built out of an array of computers and their ram, cpus and disks. Schedules jobs, allocates resources, reports status, and collects the results.

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Other Google Technologies

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  1. Other Google Technologies

  2. Workqueue: Scheduling many jobs on many machines • A large scale time sharing system built out of an array of computers and their ram, cpus and disks. • Schedules jobs, allocates resources, reports status, and collects the results. • Similar to other distributed systems described in the literature, such as Condor.

  3. Workqueue: Scheduling many jobs on many machines • The same machines that serve as chunkservers for a GFS cell can also contribute CPU and memory resources to a workqueue because the computational requirements of a GFS storage cell are negligible. • So a machine A may contribute to storage cluster (GFS cell) B and also to compute cluster (workqueue) C -- the compute and storage cells can (and will) overlap.

  4. Dogfood: The System Health Infrastructure Talks to every server frequently Collects Health signals Activity information Configuration data Stores time-series data forever Enable highly parallel analysis of repository data Ref: System Health Work, by Wolf Weber, Xiabo Fan, Don Yang, Greg Slaughter, Eduardo Pinheiro and others.

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