Metadata Cache Segmentation for Virtual Private Domain Customization
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Solution Overview
Problem
Current enterprise systems face challenges in providing customization of core services to virtual private domains without requiring system reboots, making it difficult to manage and share customizations efficiently, which leads to management problems and overhead.
Innovation Solution
A system that initializes and manages metadata caches, including global static, global dynamic, and realm-scoped dynamic metadata, allowing for modifications to entity types without system reboots and enabling customization and sharing of metadata between realms, with constraints to prevent data corruption and concurrency issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If virtual private domains are used to partition enterprise systems, then data isolation and security are improved, but customization capability deteriorates
Solution Approach 1:
The patent segments the metadata system into three distinct layers: global static metadata (immutable, shared across all realms), global dynamic metadata (mutable, shared across all realms), and realm-scoped dynamic metadata (mutable, specific to each realm). This segmentation allows each layer to serve different purposes - global layers provide consistency and isolation, while realm-specific layers enable customization without affecting other realms.
Solution Approach 2:
The patent introduces a new dimension of metadata organization by adding the realm-scoped dynamic metadata layer between the global metadata and the actual virtual private domains. This intermediate layer enables customization at the realm level without compromising the isolation provided by virtual private domains, effectively adding a dimension of flexibility to the previously rigid partitioned system.
2Adaptability or versatility
If core service customizations are implemented, then service adaptability is improved, but system stability deteriorates due to required reboots
Solution Approach 1:
The patent makes the metadata system dynamic by introducing dynamic metadata caches that can be modified at runtime without requiring system reboots. The global dynamic metadata and realm-scoped dynamic metadata can be updated, added, or removed while the system is running, allowing core services to be customized on-the-fly. This dynamic capability enables service adaptability while maintaining system stability by avoiding forced reboots.
Solution Approach 2:
The patent implements preliminary action by pre-initializing the global static metadata cache and global dynamic metadata cache before the system operates. This allows the system to start with a stable, pre-configured metadata foundation, and then allow dynamic modifications without requiring reboots. The preliminary setup ensures system stability while the subsequent dynamic modifications enable adaptability.
3Adaptability or versatility
If customizations are shared across virtual partitions, then organizational collaboration is improved, but management complexity increases
Solution Approach 1:
The patent merges the metadata management functionality into a unified system that handles both global and realm-specific metadata through a single interface. The metadata service automatically determines which metadata cache to modify based on the operation type, eliminating the need for separate management systems for global and realm-level customizations. This unified approach enables organizational collaboration while reducing management complexity.
Solution Approach 2:
The patent introduces the metadata service as an intermediary layer between organizations and their customizations. This intermediary automatically manages the complexity of sharing customizations across virtual partitions by handling metadata cache updates, validation, and propagation. Organizations can share customizations through this intermediary without directly managing the underlying complexity, enabling collaboration while abstracting away management burden.
4Productivity
If metadata modification is allowed without reboots, then operational continuity is improved, but data integrity risk increases
Solution Approach 1:
The patent implements feedback mechanisms through constraint validation that checks metadata modifications before applying them. The system validates that modifications comply with defined constraints and do not violate data integrity rules. This feedback loop ensures that even though modifications can occur without reboots, the data integrity is maintained through automated validation and error prevention.
Solution Approach 2:
The patent applies beforehand cushioning by implementing constraint validation and error checking before metadata modifications are applied. The system pre-validates modifications against defined constraints and prevents invalid changes from corrupting the metadata. This protective measure allows continuous operation without reboots while cushioning against potential data integrity issues through proactive validation.
Data Source
AI summary
One embodiment of the present invention provides a system that facilitates managing metadata associated with entities and entity types in a computing system. During operation, the system initializes a global static metadata cache containing global static metadata at the computing system. Next, the system initializes a global dynamic metadata cache containing global dynamic metadata at the computing system. The system then receives a command to initialize a session at the computing system. In response to the command, the system determines a realm for the session, wherein the realm is a virtual private partition of the computing system. The system then initializes a realm-scoped dynamic metadata cache containing realm-scoped dynamic metadata associated with the realm at the computing system. Finally, the system executes operations on the computing system in compliance with the global static metadata, the global dynamic metadata, and the realm-scoped dynamic metadata.