Reading Group

  • New Reading List: Papers #101-110

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    Summer term papers are here! The list is bellow. Also, here is a Google Calendar. Graham: Synchronizing Clocks by Leveraging Local Clock Properties – NSDI’22 Authors: Ali Najafi, Michael Wei What: Better clock sync under failures When: May 18th, 2022 Understanding, Detecting and Localizing Partial Failures in Large System Software – NSDI’20 Authors: Chang Lou,…

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  • Reading Group. ByShard: Sharding in a Byzantine Environment

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    Our 93rd paper in the reading group was “ByShard: Sharding in a Byzantine Environment” by Jelle Hellings, Mohammad Sadoghi. This VLDB’21 paper talks about sharded byzantine systems and proposes an approach that can implement 18 different multi-shard transaction algorithms. More specifically, the paper discusses two-phase commit (2PC) and two-phase locking (2PL) in a byzantine environment.…

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  • Reading Group. CompuCache: Remote Computable Caching using Spot VMs

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    In the 92nd reading group meeting, we have covered “CompuCache: Remote Computable Caching using Spot VMs” CIDR’22 paper by Qizhen Zhang, Philip A. Bernstein, Daniel S. Berger, Badrish Chandramouli, Vincent Liu, and Boon Thau Loo.  Cloud efficiency seems to be a popular topic recently. A handful of solutions try to improve the efficiency of the…

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  • Reading Group. Using Lightweight Formal Methods to Validate a Key-Value Storage Node in Amazon S3

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    For the 90th reading group paper, we did “Using Lightweight Formal Methods to Validate a Key-Value Storage Node in Amazon S3” by James Bornholt, Rajeev Joshi, Vytautas Astrauskas, Brendan Cully, Bernhard Kragl, Seth Markle, Kyle Sauri, Drew Schleit, Grant Slatton, Serdar Tasiran, Jacob Van Geffen, Andrew Warfield. As usual, we have a video: Andrey Satarin…

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  • Reading Group. Basil: Breaking up BFT with ACID (transactions)

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    Our 89th paper in the reading group was “Basil: Breaking up BFT with ACID (transactions)” from SOSP’21 by Florian Suri-Payer, Matthew Burke, Zheng Wang, Yunhao Zhang, Lorenzo Alvisi, and Natacha Crooks. I will make this summary short. We had a quick and improvised presentation as well. Unfortunately, this time around, it was not recorded.  The…

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  • Reading Group. EPaxos Revisited.

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    In the 88th DistSys meeting, we discussed the “EPaxos Revisited” NSDI’21 paper by Sarah Tollman, Seo Jin Park, and John Ousterhout. We had an improvised presentation, as I had to step in and talk about the paper on short notice without much preparation.  EPaxos Background Today’s paper re-evaluates one very popular in academia state machine…

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  • New Reading List: Papers #91-100

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    DistSys Reading Group is getting its 100th paper! Here is the list for the Spring semester: The Drinking Philosophers Problem – Foundational Paper Authors: K. M. Chandy and J. Misra When: February 23rd CompuCache: Remote Computable Caching using Spot VMs — CIDR’22 Authors: Qizhen Zhang, Philip A. Bernstein, Daniel S. Berger, Badrish Chandramouli, Vincent Liu,…

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  • Reading Group. Log-structured Protocols in Delos

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    For the 87th DistSys paper, we looked at “Log-structured Protocols in Delos” by Mahesh Balakrishnan, Chen Shen, Ahmed Jafri, Suyog Mapara, David Geraghty, Jason Flinn Vidhya Venkat, Ivailo Nedelchev, Santosh Ghosh, Mihir Dharamshi, Jingming Liu, Filip Gruszczynski, Jun Li Rounak Tibrewal, Ali Zaveri, Rajeev Nagar, Ahmed Yossef, Francois Richard, Yee Jiun Song. The paper appeared…

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  • Reading Group. Rabia: Simplifying State-Machine Replication Through Randomization

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    We covered yet another state machine replication (SMR) paper in our reading group: “Rabia: Simplifying State-Machine Replication Through Randomization” by Haochen Pan, Jesse Tuglu, Neo Zhou, Tianshu Wang, Yicheng Shen, Xiong Zheng, Joseph Tassarotti, Lewis Tseng, Roberto Palmieri. This paper appeared at SOSP’21. A traditional SMR approach, based on Raft or Multi-Paxos protocols, involves a…

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  • Reading Group. Exploiting Nil-Externality for Fast Replicated Storage

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    85th DistSys reading group meeting discussed “Exploiting Nil-Externality for Fast Replicated Storage” SOSP’21 paper by Aishwarya Ganesan, Ramnatthan Alagappan, Andrea C. Arpaci-Dusseau, and Remzi H. Arpaci-Dusseau. The paper uses an old trick of delaying the execution of some operations to improve the throughput while maintaining strong consistency. Consistency is an externally-observable property, and simple strategies,…

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