Namespace Enumeration Signatures for Faster Change Detection
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Solution Overview
Problem
Existing mechanisms for comparing a stored namespace state against a subsequent namespace state are not performant enough, leading to inefficient identification of changes and potential resource wastage.
Innovation Solution
Generate deterministically derived signatures from namespace enumeration endpoint response payloads without inspecting metadata details, using a signature/namespace location map and direct descendants map to speed up comparison processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If standard comparison mechanisms are used to compare stored namespace state against subsequent namespace state, then change identification can be performed, but the performance is insufficient and processor cycles are wasted
Solution Approach 1:
The patent segments the namespace comparison process by dividing it into individual location comparisons. Each location is enumerated separately and its state is compared independently. This segmentation allows the system to quickly identify unchanged locations and skip detailed comparisons, thereby improving productivity while reducing unnecessary processor cycle consumption on already-known stable locations.
Solution Approach 2:
The patent changes the parameter used for comparison from full metadata inspection to signature-based comparison. By generating and comparing signatures (hashes) of namespace locations instead of comparing complete metadata sets, the system achieves much faster comparison performance. This parameter change directly addresses the contradiction by enabling rapid change detection with minimal processor cycle consumption.
2Measurement precision
If full metadata inspection is performed for every namespace location comparison, then precise change detection is achieved, but processing time increases and performance decreases
Solution Approach 1:
The patent introduces signatures as an intermediary mechanism between full metadata inspection and change detection. Instead of directly comparing complete metadata sets (which is time-consuming), the system first compares compact signatures. If signatures differ, then full metadata inspection is performed. This intermediary approach maintains measurement precision for actual changes while dramatically reducing processing time for unchanged locations.
Solution Approach 2:
The patent applies partial action by performing only signature comparison for unchanged locations rather than full metadata inspection. Full metadata inspection is reserved only for locations where changes are detected. This partial approach to comparison maintains accuracy where needed while minimizing processing time for the majority of unchanged locations.
Data Source
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AI summary
Technologies for detecting changes in a namespace using namespace enumeration endpoint re-sponse payloads are disclosed. A namespace is enumerated at a first time by retrieving response payloads containing metadata describing each location in the namespace from a namespace enumeration endpoint. Signatures are generated based on the response payloads and stored. To determine if changes were made to the namespace between the first time and a subsequent sec-ond time, metadata is retrieved from the namespace enumeration endpoint for the namespace at the second time and signatures are generated. Signatures generated at the first time are then compared to the signatures generated at the second time. If the signatures are different, the items in the location in the namespace changed between the first time and the second time. Changes occurring in a location of the namespace can then be identified based on the metadata obtained at the first and second times.