Tag: state
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Giant Scale Services – Summary and notes
Introduction We’ll address some questions like “how to program big data systems” and how to “store and disseminate content on the web in scalable manners” Quiz: Giant Scale Services Basically almost every service is backed by “Giant Scale” services Tablet Introduction This lesson covers three issues: system issues in giant scale services, programming models for…
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Recovery management in Quicksilver – Notes and Summary
The original paper “Recovery management in quicksilver” introduces a transaction manager that’s responsible for managing servers and coordinates transactions. The below notes discusses how this operating system handles failures and how it makes recovery management a first class citizen. Cleaning up state orphan processes Key Words: Ophaned, breadcrumbs, stateless In client/server systems, state gets created…
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Distributed File Systems – Summary and notes
This lesson introduces network file system (NFS) and presents the problems with it, bottlenecks including limited cache and expensive input/output (I/O) operations. These problems motivate the need for a distributed file system, in which there is no longer a centralized server. Instead, there are multiple clients and servers that play various roles including serving data…