Sanam PakuwalNotes on .NET, distributed systems, databases, performance, and AI engineering.https://aswinmainali.com.np/Hello, sanam.me: why I'm starting a bloghttps://aswinmainali.com.np/blog/hello-world/https://aswinmainali.com.np/blog/hello-world/Why this blog exists and what I plan to write about: .NET, distributed systems, databases, performance, and AI engineering.Mon, 05 Oct 2026 00:00:00 GMTCutting search latency from seconds to under 100mshttps://aswinmainali.com.np/blog/search-latency-opensearch/https://aswinmainali.com.np/blog/search-latency-opensearch/Moving product search off full-table wildcard scans and onto OpenSearch, with feature flags so rollback is a config change.Sun, 20 Sep 2026 00:00:00 GMTTaking a single-region app to multi-region with SQL Serverhttps://aswinmainali.com.np/blog/multi-region-sql-server/https://aswinmainali.com.np/blog/multi-region-sql-server/Central writes, SQL Server transactional replication to regional read replicas, and cross-region cache invalidation.Sat, 15 Aug 2026 00:00:00 GMT