diff --git a/ISSUE-18.md b/ISSUE-18.md index 457155c..9868ae8 100644 --- a/ISSUE-18.md +++ b/ISSUE-18.md @@ -6,19 +6,19 @@ Implement performance optimizations to improve application response times and re ### Acceptance Criteria -- [x] Analyze current performance bottlenecks -- [x] Optimize database queries -- [x] Implement lazy loading for resources -- [x] Add performance monitoring -- [x] Document optimization results +- [ ] Analyze current performance bottlenecks +- [ ] Optimize database queries +- [ ] Implement lazy loading for resources +- [ ] Add performance monitoring +- [ ] Document optimization results ### Tasks -- [x] Run performance profiling tools -- [x] Optimize slow database queries -- [x] Implement pagination for large datasets -- [x] Add lazy loading for images and assets -- [x] Set up performance monitoring +- [ ] Run performance profiling tools +- [ ] Optimize slow database queries +- [ ] Implement pagination for large datasets +- [ ] Add lazy loading for images and assets +- [ ] Set up performance monitoring ### Notes diff --git a/src/performance/README.md b/src/performance/README.md deleted file mode 100644 index 0d5771d..0000000 --- a/src/performance/README.md +++ /dev/null @@ -1,10 +0,0 @@ -# Performance Optimization - -This directory contains performance optimization implementations for the helpyourneighbour project. - -## Contents - -- Database query optimizations -- Lazy loading implementations -- Performance monitoring setup -- Profiling tools integration \ No newline at end of file diff --git a/src/performance/database-optimizations.js b/src/performance/database-optimizations.js deleted file mode 100644 index 572bee3..0000000 --- a/src/performance/database-optimizations.js +++ /dev/null @@ -1,32 +0,0 @@ -/** - * Database query optimizations for helpyourneighbour backend - */ - -// Example of optimized database query -const getOptimizedUserRequests = async (userId) => { - // Use indexes and limit results - const query = ` - SELECT r.id, r.title, r.description, r.created_at - FROM requests r - WHERE r.user_id = ? - ORDER BY r.created_at DESC - LIMIT 10 - `; - - return await db.query(query, [userId]); -}; - -// Example of batch processing for better performance -const batchProcessRequests = async (requestIds) => { - const batchSize = 50; - for (let i = 0; i < requestIds.length; i += batchSize) { - const batch = requestIds.slice(i, i + batchSize); - // Process batch - await processBatch(batch); - } -}; - -module.exports = { - getOptimizedUserRequests, - batchProcessRequests -}; \ No newline at end of file diff --git a/src/performance/lazy-loading.js b/src/performance/lazy-loading.js deleted file mode 100644 index 6440d04..0000000 --- a/src/performance/lazy-loading.js +++ /dev/null @@ -1,44 +0,0 @@ -/** - * Lazy loading implementations for helpyourneighbour backend - */ - -// Example of lazy loading for images -const lazyLoadImage = (imagePath) => { - // Return a function that loads the image only when needed - return async () => { - // Simulate image loading - const imageBuffer = await loadImage(imagePath); - return imageBuffer; - }; -}; - -// Example of lazy loading for assets -const lazyLoadAsset = (assetId) => { - // Return a promise that resolves when asset is loaded - return new Promise((resolve, reject) => { - // Simulate asset loading - setTimeout(() => { - resolve({ id: assetId, data: 'asset_data' }); - }, 100); - }); -}; - -// Example of pagination implementation -const getPaginatedRequests = async (page = 1, limit = 10) => { - const offset = (page - 1) * limit; - - const query = ` - SELECT r.id, r.title, r.description, r.created_at - FROM requests r - ORDER BY r.created_at DESC - LIMIT ? OFFSET ? - `; - - return await db.query(query, [limit, offset]); -}; - -module.exports = { - lazyLoadImage, - lazyLoadAsset, - getPaginatedRequests -}; \ No newline at end of file diff --git a/src/performance/monitoring.js b/src/performance/monitoring.js deleted file mode 100644 index 7a8dc0d..0000000 --- a/src/performance/monitoring.js +++ /dev/null @@ -1,52 +0,0 @@ -/** - * Performance monitoring setup for helpyourneighbour backend - */ - -// Simple performance monitoring implementation -const monitorPerformance = (operationName, operation) => { - const start = Date.now(); - - return async (...args) => { - try { - const result = await operation(...args); - const end = Date.now(); - - console.log(`[PERFORMANCE] ${operationName} took ${end - start}ms`); - - // Log to monitoring service if available - logToMonitoringService({ - operation: operationName, - duration: end - start, - timestamp: new Date() - }); - - return result; - } catch (error) { - const end = Date.now(); - console.error(`[PERFORMANCE] ${operationName} failed after ${end - start}ms`, error); - throw error; - } - }; -}; - -// Example usage -const monitoredGetRequests = monitorPerformance('getRequests', async (userId) => { - // Implementation here - return await db.query('SELECT * FROM requests WHERE user_id = ?', [userId]); -}); - -// Log to external monitoring service -const logToMonitoringService = (data) => { - // In a real implementation, this would send data to a monitoring service like: - // - New Relic - // - Datadog - // - Prometheus - // For now, just log to console - console.log('[MONITORING]', JSON.stringify(data)); -}; - -module.exports = { - monitorPerformance, - monitoredGetRequests, - logToMonitoringService -}; \ No newline at end of file diff --git a/src/performance/profiling.js b/src/performance/profiling.js deleted file mode 100644 index 26b963d..0000000 --- a/src/performance/profiling.js +++ /dev/null @@ -1,44 +0,0 @@ -/** - * Performance profiling tools integration for helpyourneighbour backend - */ - -// Example of profiling middleware -const profileMiddleware = (req, res, next) => { - const start = process.hrtime.bigint(); - - res.on('finish', () => { - const end = process.hrtime.bigint(); - const duration = Number(end - start) / 1000000; // Convert to milliseconds - - console.log(`[PROFILE] ${req.method} ${req.url} took ${duration.toFixed(2)}ms`); - - // Log to monitoring service - logToMonitoringService({ - operation: `${req.method} ${req.url}`, - duration: duration, - timestamp: new Date() - }); - }); - - next(); -}; - -// CPU profiling example -const startCpuProfiling = () => { - // In a real implementation, this would use Node.js built-in profiler or external tools - console.log('[PROFILE] Starting CPU profiling...'); - // Implementation would depend on chosen profiling tool (e.g., clinic.js, node --inspect) -}; - -// Memory profiling example -const startMemoryProfiling = () => { - // In a real implementation, this would use Node.js memory profiler or external tools - console.log('[PROFILE] Starting memory profiling...'); - // Implementation would depend on chosen profiling tool -}; - -module.exports = { - profileMiddleware, - startCpuProfiling, - startMemoryProfiling -}; \ No newline at end of file