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Large-scale internet services aim to remain highly available and responsive in the presence of unexpected failures. Providing this service often requires monitoring and analyzing tens of millions of measurements per second across a large number of systems, and one particularly effective solution is to store and query such measurements in a time series(More)
In their recent review of ablation options for atrial fibrillation, Pinho-Gomes et al. [1] omitted permanent pacemaker requirement as a complication of surgical ablation. In their series of 594 patients undergoing concomitant surgical ablation of atrial fibrilla-tion, of whom 6.9% required permanent pacemakers postopera-tively, Pecha et al. [2] identified(More)
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