Shift-Left Observability in Cloud-Native DevOps: Tracing-First SLO Engineering for Micro Services

Author(s)	Nagarjuna Nellutla
Country	United States
Abstract	Distributed tracing has become a practical foundation for understanding micro service behavior under change. However, in many DevOps workflows, tracing is treated as a post deployment debugging tool rather than an upstream design input for reliability goals. This paper proposes a tracing-first, shift-left observability workflow that uses trace semantics to derive and validate service level objectives (SLOs) earlier in the lifecycle. The approach connects trace-driven signals to error budgets, release gates, and deployment safety checks, reducing time-to-diagnosis and improving reliability feedback loops without requiring major changes to application architecture.
Keywords	DevOps, Observability, Distributed Tracing, SLO, Error Budget, Micro services, SRE, Open Telemetry
Field	Engineering
Published In	Volume 5, Issue 4, July-August 2023
Published On	2023-08-09
DOI	https://doi.org/10.36948/ijfmr.2023.v05i04.68796

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International Journal For Multidisciplinary Research