Postgres Live Migration

May 27, 2015. A few months ago, we took around 15 seconds of unexpected API downtime during a planned database migration. We're always careful about.

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PostgreSQL: Documentation: 9.0: Migration Between Releases – This section discusses how to migrate your database data from one PostgreSQL release to a newer one. The software installation procedure per se is not the.

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Technical documentation for GOV.UK PaaS. GOV.UK Platform as a Service (PaaS) is a cloud-hosting platform being built by the Government Digital Service (GDS).

postgresql – Best practices for schema changes and data migrations. – Jan 18, 2012. You almost have your answer already: Create the new structure in parallel; Start writing to both structures; Migrate old data to the new structure.

Postgres Migrate Json To Jsonb Mar 13, 2015. With the release of PostgreSQL 9.4, comes the ability to use binary JSON objects. This internal representation is faster and more capable than. db/migrate/20131220144913_create_events.rb. create_table :events do |t|. t.json 'payload'. end. # app/models/event.rb. class Event <. Jun 27, 2016. JSONB allows you to store JSON as is, and Rails has very good

How do you prepare your SQL deltas? do you manually save each schema-changing SQL to a delta folder, or do you have some kind.