Fail through the Cracks: Cross-System Interaction Failures in Modern Cloud Systems

Lilia Tang, Chaitanya Bhandari, Yongle Zhang, Anna Karanika, Shuyang Ji, Indranil Gupta, Tianyi Xu. 2023. European Conference on Computer Systems.

Read the paper · doi:10.1145/3552326.3587448

What this paper does with SQLancer

One citation, noting that data-plane discrepancies of the kind studied also exist in traditional systems following POSIX or SQL standards, where SQLancer's work is among the references given. This paper studies cross-system interaction failures in cloud systems, where reliability depends not only on each subsystem but on how independently developed systems interact. Analysing 11 such incidents at Google, Azure and AWS plus 120 failure cases across seven co-deployed open-source systems, the authors focus on discrepancies between interacting systems as the root cause, and demonstrate cross-system testing on the Spark-Hive data plane. Written by claude-opus-5 from the 1 place this paper refers to SQLancer. The quotations below are the paper's own words, stored verbatim when the text was extracted.

How it was classified

uses infrastructure — no

SQLancer is cited, not used; nothing in the mentions describes reusing its code.

extends technique — no

No technique is extended; the citation is background.

compares with — no

No empirical comparison against SQLancer is reported in the mentions.

describes as state of the art — no

The citation does not characterise SQLancer as the state of the art.

SQLancer publications it cites (1)

Bibliography entries that resolved to a SQLancer publication, or to a paper by one of the project's authors. A sentence citing one of these numbers is a reference to SQLancer even when it never writes the name.

#	Entry	Matched as
98	Rigger, M., and Su, Z. Testing Database Engines via Pivoted Query Synthesis. In Proceedings of the 14th USENIX Symposium on Operating Systems Design and Implementation (OSDI’20) (Nov. 2020).	sqlancer publication · PQS

Every place it refers to SQLancer (1)

1 sentence, each stored verbatim from the extracted text with where it was found and how. “Citation marker” means the sentence names no tool at all and was reached through a reference number that resolved to a SQLancer publication.

Id	Sentence	Found by	Where
M1	, [ 1,22,33]), which also exist in traditional systems that follow POSIX or SQL standards [ 94,98], but are magnified by the heterogeneity and composability of cloud APIs.	citation marker background	6.1 Data-Plane Discrepancies page 7

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