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Alford, Ronald Wayne

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Explain failure and done in detail with some example.

Bahety, Anand Baldeodas

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Are there any limitations in expressivity of Pip's Expectation Language? Put another way, are there any types of problems that can't be detected by writing recognizers and/or aggregates?

Bucatanschi, Dan George

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Chandra, Deepti Jagdish

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Explain each line of the following expectations:

recv(Client) limit (SIZE, {=10b});

task("a.Read") {

repeat 2 { recv(Peer); }

future { recv(Peer); task("a.ReadReply"); }

}

Huynh, Thuan Quang

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Nguyen, Bao Ngoc

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What are the problems caused when 'printf' is used for testing distributed systems?

Konda, Shravya Reddy

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In the paper, the authors mention that path coverage is an important, though orthogonal, consideration in running Pip. Why is this so?

Lee, Joonghoon

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In Pip workflow, who generates paths from events and how?

Liu, Liping

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Do you think Pip should be considered as monitoring or testing? Why?

Wongsuphasawat, Krist

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The authors mention that they always based the expectations they wrote on automatically generated expectations. Why aren't the automatically generated expectations sufficient? That is, why did the authors need to write new ones?

Reisner, Elnatan Benjamin

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Schulman, Aaron David

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Explain the main differences between recognizers and aggregates.

Sharara, Hossam Samy Elsai

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Detecting the Unexpected in Distributed Systems: Does this system only observe the sequence of messages, or does it also examine their contents?

Stuckman, Jeff

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Teoh, Alison Lui Koon

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Compare Pip with WiDS Checker developed by Xuezheng Liu et al. Their paper believes "log-based analysis can reveal performance bugs than structural ones". (Paper: http://www.usenix.org/events/nsdi07/tech/full_papers/liu/liu.pdf NSDI '07)

Thakor, Shashvat Advait

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Vador, Sachin Shashikant

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Donlon, Eileen Merle

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In class we talked about a system to monitor and identify unexpected behavior in distributed systems. What are test cases in such a scenario?

Zazworka, Nico

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