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Exponential Backoff in Distributed Systems
In response to my previous article, a commenter asked: Why exponential backoff? To put a finer point on the question, How should I choose the parameters for …
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Chirp on the Blue Gene/P at Supercomputing
In a recent paper at IEEE/ACM Supercomputing, researchers at Argonne National Lab deployed our Chirp filesystem on hundreds of intermediate nodes to support …
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BXGrid Featured in ISGTW
Our work on the Biometrics Research Grid (BXGrid), was the feature story in this week's issue of International Science Grid This Week.
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Fail Fast, Fail Often
A common misconception among programmers is that software should always attempt to hide failures in distributed systems. This idea seems sensible at first, b…
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Audit Trails in Voting Machines
Kim Zetter at Wired magazine recently wrote about the use of log files in electronic voting machines . (It actually shows snippets of the relevant data, whic…