Instrumentation Overhead Regulation for Software Observability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional observability tools in software development and production environments have limited visibility and detail in diagnosing malfunctions, requiring extensive manual effort and iterative processes, which can be time-consuming and inefficient.
Innovation Solution
An instrumentation overhead regulation technique that dynamically adjusts the capture fidelity of an investigative platform's client library to manage resource consumption and optimize trace capture, using performance metrics to automatically regulate the amount of work performed and ensure acceptable overhead, thereby enhancing diagnostic efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If conventional observability tools collect information from executable code at runtime, then basic diagnostic information is obtained, but the information lacks sufficient detail and integration for effective malfunction diagnosis
Solution Approach 1:
The patent implements nested sampling where capture points are organized in hierarchical levels. Level 0 captures all invocations, level 1 captures selected methods, and level 2 captures specific data values. This nested structure allows the system to provide detailed information when needed while maintaining a lightweight base configuration, effectively resolving the contradiction between information detail and system complexity.
Solution Approach 2:
The patent makes the observability system dynamic by allowing runtime configuration changes. The sampling rate, capture levels, and monitored components can be adjusted dynamically based on diagnostic needs and system performance. This dynamic adaptability enables the system to provide detailed information temporarily during debugging while returning to a lighter state during normal operation, resolving the contradiction between information detail and system complexity.
2Loss of information
If observability tools capture voluminous history of invocations and data changes, then sufficient diagnostic information is available, but examining and analyzing the information becomes time-consuming
Solution Approach 1:
The patent extracts only the most relevant information at each capture level. Instead of capturing all possible data, the system selectively captures method invocations, selected methods, and specific data values based on configuration. This extraction approach provides sufficient diagnostic information while significantly reducing the volume of data that requires analysis, thereby resolving the contradiction between historical information and analysis time.
Solution Approach 2:
The patent applies different capture qualities to different parts of the system. Critical components receive higher-level capture (more detail), while less critical components receive lower-level capture (less detail). This local quality differentiation ensures that diagnostic information is available where needed without uniformly increasing data volume across the entire system, thus resolving the contradiction between historical information and analysis time.
3Loss of information
If production systems capture detailed information continuously, then complete diagnostic data is available, but resource consumption and performance overhead increase
Solution Approach 1:
The patent implements partial action by capturing information at multiple levels rather than continuously capturing all possible data. Level 0 provides minimal essential information, while higher levels provide additional detail only when configured. This partial capture approach ensures that trace information is available when needed while keeping resource consumption and performance overhead acceptable during normal operation.
Solution Approach 2:
The patent enables periodic or on-demand activation of detailed capture rather than continuous capture. The system can operate with minimal capture during normal operation and switch to detailed capture periodically or when diagnostic events occur. This periodic action pattern ensures trace information is available when needed while minimizing resource consumption during normal operation, resolving the contradiction between trace information and processing resources.
4Loss of information
If developers manually add instrumentation points to capture information, then detailed trace data is collected, but the process is time-consuming and iterative
Solution Approach 1:
The patent implements a universal instrumentation framework that can capture information across multiple levels and components through a single configuration. Instead of requiring separate instrumentation code for each capture point, the system provides a unified mechanism that handles level 0, level 1, and level 2 capture through configurable parameters. This universality dramatically reduces setup time while maintaining the ability to capture detailed trace information, resolving the contradiction between trace detail and setup time.
Data Source
AI summary
An instrumentation overhead regulation technique regulates an amount of work performed by a client library of an investigative platform used to monitor, diagnose and solve errors associated with application development and production. The client library calculates processing resources utilized during its runtime activity to enable adjustment of the amount of work it performs based on the measured activity. An agent may determine the overhead activity impact to user application performance by monitoring processing resource metrics of the user application. The agent analyzes the calculated overhead and processing resource metrics to render decisions to automatically regulate the capture fidelity of the client library. Regulation of the capture fidelity may be implemented by modifying parameters of a dynamic configuration. If results of the analysis indicate a potential issue, the amount of work the client library performs may be trimmed to ensure that the calculated overhead of the client library and its impact on user application performance does not exceed a predetermined threshold.