Perfce: Performance Debugging on Databases with Chaos Engineering-Enhanced Causality Analysis

Zhenlan Ji, Pingchuan Ma, Shuai Wang. 2022. International Conference on Automated Software Engineering.

Read the paper · doi:10.1109/ase56229.2023.00106 · arXiv:2207.08369

What this paper does with SQLancer

SQLancer is cited once, as one of the works establishing the standard differential testing procedure that PerfCE's setup extends by requiring consistency between an experimental and a reference group. PerfCE diagnoses performance anomalies in databases by combining causal inference with chaos engineering. Causal analysis of performance downgrades is hampered by limited observability, so PerfCE uses chaos experiments -- injecting events such as network slowdowns -- to gather the observations it needs. Offline it learns statistical models from passive observation and proactive experiments; online it diagnoses root causes as anomalies occur. 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
37	M. Rigger and Z. Su, “Testing database engines via pivoted query synthesis,” in 14th USENIX Symposium on Operating Systems Design and Implementation (OSDI 20), 2020, pp. 667–682.	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	This setup expands the standard “differential testing” procedure [37–39], requiring consistency between the experimental group and reference even under CE stress.	citation marker background	B Causality Analysis page 3

This page is rendered from _data/papers/paper_doi_10_1109_ase56229_2023_00106.json, extracted from arxiv. 13 pages, 86 references parsed.