--- title: Migrate from PostgreSQL to Spanner with minimal downtime description: Migrating from PostgreSQL to Spanner can bring benefits like horizontal scalability, strong consistency, and 99.999% availability. This post provides a... canonical: https://daily.dev/posts/migrate-from-postgresql-to-spanner-with-minimal-downtime-uikj979c7 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Migrate from PostgreSQL to Spanner with minimal downtime | daily.dev og:description: Migrating from PostgreSQL to Spanner can bring benefits like horizontal scalability, strong consistency, and 99.999% availability. This post provides a... og:url: https://daily.dev/posts/migrate-from-postgresql-to-spanner-with-minimal-downtime-uikj979c7 og:image: https://api.daily.dev/og/posts/UikJ979c7.png og:image:alt: Migrate from PostgreSQL to Spanner with minimal downtime og:image:width: 1200 og:image:height: 630 og:locale: en --- [Google Cloud](https://daily.dev/sources/gcp) [Read post](https://api.daily.dev/r/UikJ979c7) # [Migrate from PostgreSQL to Spanner with minimal downtime](https://api.daily.dev/r/UikJ979c7 "Go to post") Migrating from PostgreSQL to Spanner can bring benefits like horizontal scalability, strong consistency, and 99.999% availability. This post provides a step-by-step guide for performing a minimal downtime migration using the Spanner Migration Tool (SMT). [#cloud](/tags/cloud "Check all #cloud posts")[#backend](/tags/backend "Check all #backend posts")[#postgresql](/tags/postgresql "Check all #postgresql posts")[#spanner](/tags/spanner "Check all #spanner posts") Feb 23, 2024•1m read time•From [cloud.google.com](https://api.daily.dev/r/UikJ979c7 "cloud.google.com") [](https://api.daily.dev/r/UikJ979c7 "Go to post") Table of contents [1\. Configure source (PostgreSQL) and destination (Spanner) resources](https://api.daily.dev/r/UikJ979c7 "1. Configure source (PostgreSQL) and destination (Spanner) resources")[2\. Set up sample application](https://api.daily.dev/r/UikJ979c7 "2. Set up sample application") 12 Impressions2 Upvotes Comment Bookmark Copy Share your thoughtsPost [](https://daily.dev/sources/gcp) [Google Cloud](https://daily.dev/sources/gcp "https://daily.dev/sources/gcp") Google Cloud Platform provides a suite of cloud computing services for building, deploying, and mana... 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