Retry – the re-execution of a task on failure – is a common mechanism to enable resilient software systems. Yet, despite its commonality and long history, retry remains difficult to implement and test in modern systems. Guided by our study of real-world retry issues, we propose a novel suite of static and dynamic techniques to detect retry problems in software systems. In particular, we find that the ad-hoc nature of retry implementation in software systems poses challenges for traditional program analysis but can be well handled by Large Language Models; we also find that careful repurposing existing unit tests can, along with fault injection, expose various types of retry problems.<\/p>\n","protected":false},"excerpt":{"rendered":"
Retry – the re-execution of a task on failure – is a common mechanism to enable resilient software systems. Yet, despite its commonality and long history, retry remains difficult to implement and test in modern systems. Guided by our study of real-world retry issues, we propose a novel suite of static and dynamic techniques to […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"","msr_page_range_end":"","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"ACM SOSP 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