LITE Cache: Local Issue Tracking Engine as Remote Cache #60

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tegwick · 2025-10-01T21:47:44Z

tegwick commented

2025-10-01 21:47:44 +00:00

Enhancement: LITE (Local Issue Tracking Engine) as Remote Cache

🎯 OBJECTIVE

Enhance the local issue backend to serve as an intelligent cache for remote issue tracking systems (Gitea, Jira, GitHub), providing faster issue interaction and reduced API calls.

💡 CORE CONCEPT

Use the local file-based issue storage as a cache layer that:

Serves most read operations locally (instant access)
Syncs selectively based on remote timestamp comparison
Writes through to remote then updates local cache
Provides offline capability when remote is unavailable

🏗️ TECHNICAL APPROACH

Cache Invalidation Strategy

Store remote last_modified timestamp in local cache metadata
Before local reads, check if cache is stale via single API call
Only sync when remote timestamp > local timestamp
Batch sync multiple changed issues when needed

Write-Through Pattern

All issue updates go directly to remote backend first
On successful remote update, refresh local cache
No complex conflict resolution needed (remote is source of truth)

Implementation Phases

Cache-Aware Backend: Create lite backend that wraps existing remote backends
Selective Sync: API endpoint to get remote last_modified timestamp
Write-Through Operations: Route creates/updates through remote backend first
Performance Optimization: Background sync and configurable cache TTL

📈 EXPECTED BENEFITS

Performance: 100x faster reads (local file vs API call)
API Reduction: 80-90% fewer remote calls for typical workflows
Offline Capability: Continue working when remote unavailable

🎛️ CONFIGURATION

Enhanced local plugin with cache metadata tracking, timestamp-based sync decision logic, and transparent caching with same CLI interface.

✅ ACCEPTANCE CRITERIA

LITE backend serves reads from local cache when current
Single API call determines if cache sync needed
Write operations update remote first, then cache
Offline mode allows read-only access to cached issues
80%+ reduction in remote API calls for typical workflows

Critical design consideration for the LITE cache system (Issue #60):

ID Namespace Management: Cache must maintain ID consistency with remote
Authoritative Source: Remote system (Gitea) is always the source of truth
Collision Detection: Cache system should detect and prevent ID conflicts

Related: Built on Issue #59 plugin architecture
Priority: High (significant performance improvement)
Type: Enhancement

## Enhancement: LITE (Local Issue Tracking Engine) as Remote Cache ### 🎯 OBJECTIVE Enhance the local issue backend to serve as an intelligent cache for remote issue tracking systems (Gitea, Jira, GitHub), providing faster issue interaction and reduced API calls. ### 💡 CORE CONCEPT Use the local file-based issue storage as a cache layer that: 1. **Serves most read operations locally** (instant access) 2. **Syncs selectively** based on remote timestamp comparison 3. **Writes through to remote** then updates local cache 4. **Provides offline capability** when remote is unavailable ### 🏗️ TECHNICAL APPROACH #### Cache Invalidation Strategy - Store remote last_modified timestamp in local cache metadata - Before local reads, check if cache is stale via single API call - Only sync when remote timestamp > local timestamp - Batch sync multiple changed issues when needed #### Write-Through Pattern - All issue updates go directly to remote backend first - On successful remote update, refresh local cache - No complex conflict resolution needed (remote is source of truth) #### Implementation Phases 1. **Cache-Aware Backend**: Create lite backend that wraps existing remote backends 2. **Selective Sync**: API endpoint to get remote last_modified timestamp 3. **Write-Through Operations**: Route creates/updates through remote backend first 4. **Performance Optimization**: Background sync and configurable cache TTL ### 📈 EXPECTED BENEFITS - **Performance**: 100x faster reads (local file vs API call) - **API Reduction**: 80-90% fewer remote calls for typical workflows - **Offline Capability**: Continue working when remote unavailable ### 🎛️ CONFIGURATION Enhanced local plugin with cache metadata tracking, timestamp-based sync decision logic, and transparent caching with same CLI interface. ### ✅ ACCEPTANCE CRITERIA - LITE backend serves reads from local cache when current - Single API call determines if cache sync needed - Write operations update remote first, then cache - Offline mode allows read-only access to cached issues - 80%+ reduction in remote API calls for typical workflows Critical design consideration for the LITE cache system (Issue #60): - ID Namespace Management: Cache must maintain ID consistency with remote - Authoritative Source: Remote system (Gitea) is always the source of truth - Collision Detection: Cache system should detect and prevent ID conflicts --- **Related**: Built on Issue #59 plugin architecture **Priority**: High (significant performance improvement) **Type**: Enhancement

tegwick added this to the Spin-Out Projects project 2025-10-01 21:50:23 +00:00

tegwick modified the project from Spin-Out Projects to Dev Flow Optimization

2025-10-01 23:10:54 +00:00

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Reference: coulomb/markitect-main#60