algolia-migration-deep-dive

# Algolia Migration Deep Dive ## Overview Comprehensive guide for migrating from another search engine (Elasticsearch, Typesense, Meilisearch, or custom) to Algolia. Uses the strangler fig pattern: run old and new in parallel, gradually shift traffic, then cut over. ## Migration Planning | From | To Algolia | Difficulty | Duration | |------|-----------|-----------|----------| | Elasticsearch | Medium — query syntax differs significantly | 2-4 weeks | | Typesense | Low — similar hosted model | 1-2 weeks | | Meilisearch | Low — similar API concepts | 1-2 weeks | | Custom SQL LIKE | Low — major upgrade | 1-2 weeks | | Solr | Medium — config-heavy to API-driven | 2-4 weeks | ## Instructions ### Step 1: Assess Current Implementation ```bash # Find all search-related code grep -rn "elasticsearch\|elastic\|typesense\|meilisearch\|\.search(" \ --include="*.ts" --include="*.tsx" --include="*.js" src/ | wc -l # Inventory current search features used grep -rn "aggregations\|facets\|filters\|sort\|highlight\|suggest" \ --include="*.ts" --include="*.tsx" src/ ``` ```typescript // Document current capabilities interface MigrationAssessment { currentEngine: string; recordCount: number; indexCount: number; features: { fullTextSearch: boolean; faceting: boolean; filtering: boolean; geoSearch: boolean; synonyms: boolean; customRanking: boolean; analytics: boolean; abTesting: boolean; recommendations: boolean; }; integrationPoints: st...