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Cutting tail latency in cloud data stores via adaptive replica selection

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Marco Canini, Université catholique de Louvain
Monday 26 January 2015, 10:00-11:00
Small Lecture Theatre, Microsoft Research Ltd, 21 Station Road, Cambridge, CB1 2FB.

If you have a question about this talk, please contact Microsoft Research Cambridge Talks Admins .

This event may be recorded and made available internally or externally via http://research.microsoft.com. Microsoft will own the copyright of any recordings made. If you do not wish to have your image/voice recorded please consider this before attending

Achieving predictable performance is critical for many distributed applications, yet difficult to achieve due to many factors that skew the tail of the latency distribution even in well-provisioned systems. In this talk, we will present the fundamental challenges involved in designing a replica selection scheme that is robust in the face of performance fluctuations across servers. We will then present the design and implementation of an adaptive replica selection mechanism, C3, that is robust to performance variability in the environment. We will also discuss C3’s effectiveness in reducing the latency tail and improving throughput through results of performance evaluations conducted on Amazon EC2 and through simulations. An implementation of C3 inside Cassandra improved tail latencies by factors exceeding 3x, while also improving throughput by up to 50%.

This talk is part of the Microsoft Research Cambridge, public talks series.

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Cutting tail latency in cloud data stores via adaptive replica selection

📅 Download to calendar (vCal)

⚠️ Important: This event may be recorded and made available internally or externally via http://research.microsoft.com. Microsoft will own the copyright of any recordings made. If you do not wish to have your image/voice recorded please consider this before attending

👤 Speaker: Marco Canini, Université catholique de Louvain
📅 Date & Time: Monday 26 January 2015, 10:00 - 11:00
📍 Venue: Small Lecture Theatre, Microsoft Research Ltd, 21 Station Road, Cambridge, CB1 2FB

Questions? Contact Microsoft Research Cambridge Talks Admins

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Cutting tail latency in cloud data stores via adaptive replica selection

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Cutting tail latency in cloud data stores via adaptive replica selection

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