Migrating a production database without any downtime

Migrating a production database without any downtime - Teamplify

The basic principles of zero-downtime DB migrations and quick recipes for the most common scenarios for MySQL and Postgres.

Database migration without downtime : r/devops - Reddit

Comments Section · 1 - Prepare for upcoming changes and turn on sync (so data exists in both forms) · 2 - Install new version of the app and ...

3 Best Practices For Zero-Downtime Database Migrations

Planning a migration customers won't notice · Leveraging production traffic · Making things gradual · Splitting migrations into cohorts · Putting It ...

How to perform database migration for a live service with no downtime

Step 1: redirect writes to the new database · Step 2: use the old database as fallback · Step 3: run a script to migrate inactive data.

How to Accomplish Zero Downtime Database Migration Easily and ...

Zero downtime database migration is transferring or copying data from a source database to a target database without causing any disruption to ...

sql - Is this zero-downtime database migration plan viable?

Create table1.newColumn : ALTER TABLE table1 ADD COLUMN newColumn(...) · Gradually deploy V2. · Now that all new data is always in sync, we still ...

3 Best Practices for a Zero-Downtime Database Migration - YouTube

Database migrations are some of the most complex and risky migration projects. Moving data, ensuring consistency, and keeping your mission ...

Migrating a giant production database without downtime

How do I migrate this large production database without users experiencing downtime? One idea I've heard is to setup a copy of the database, and ...

3 strategies for zero downtime database migration | New Relic

An offline copy migration is the most straightforward method. Bring down your on-premise application, copy the data from your on-premise database to the new ...

How to migrate database data without any downtime - Quora

To migrate a large amount of data from Oracle to PostgreSQL without downtime, follow these steps: 1. Assess the data and schema for ...

Avoiding downtime in migrations - GitLab Documentation

To rename a column without requiring downtime, we need two migrations: a regular migration and a post-deployment migration. Both these migrations can go in the ...

Safe Database Migration Pattern Without Downtime - Aviran's place

You can make modification to the new schema or even drop it if you need as all the data is still in the "old" database and in a consistent state ...

Migrate a database without downtime · Issue #1730 · prisma/prisma1

... this to avoid catastrophes within the production database. I know Prisma offers some mechanisms to alter data structure but I feel ...

4 Migrating Your Database with Zero Downtime Migration

Migrate the Database · Obtain the necessary access credentials required. · Prepare the Zero Downtime Migration response file. · Evaluate the database migration ...

No downtime database migrations - Ruby on Rails Discussions

Migrations without downtime are mostly a logical problem. You need to write them in a way that allows schema or data changes and two versions of the code ...

Zero downtime database migration and replication to and ... - Medium

A client can continue to operate on the source database while the database migration or replication progresses. In the general case, database ...

Zero-downtime Postgres migrations - the hard parts - GoCardless

Avoiding downtime · Eliminate long-running queries/transactions from your application. Run analytics queries against an asynchronously updated replica. · Set ...

Migrating a Terabyte-Scale PostgreSQL Database With Zero ...

As you can easily see, the main problem with this database migration is that downtime is not affordable, meaning the source database must remain ...

Zero downtime migrations at petabyte scale - PlanetScale

At PlanetScale, we regularly migrate databases in the terabyte and even petabyte range to our platform — all without any downtime. Our process ...

Zero Downtime Migration - DataStax

A database migration is always a delicate business. Even more so if, as is often the case in production, no downtime can be afforded.