Presented by,

MySQL & O’Reilly Media, Inc.

Top considerations for backup of MySQL

Dmitri Joukovski, Zmanda

Why do you need to backup MySQL?

Disaster recovery

Compliance requirements

Protecting against user error

Application testing

What are your recovery objectives?

To what point in time do you want to recover your database?

Recovery Point Objective (RPO)

How much time will you have to recover your database?

Recovery Time Objective (RTO)

Be ready for different types of recovery

The whole server

Specific database

Specific table

Specific transactions

Easy recovery = successful recovery

Make a list of possible recovery situationsOriginal location

New hardware and same OS and MySQL version

New hardware and different OS

Test all of them

Actual recoveries happen under stress

How much backup will impact your application?

Backup window – the amount of time your application is unavailable or degraded

Cold, warm and hot backup

Size of database Database activity Business requirements

Plan for backup early on

Define your backup window

Do you know what to backup?

Number of MySQL servers Storage engines (don’t forget about the future) Use of MySQL replication

Pay special attention to: Referential integrity MySQL versions being used Application might store data outside of MySQL

What is the best time to backup?

Database activityIs there a time database is less active?

Nature of activity (selects, inserts/updates)

Postpone backup if database is busy

Where do you want to backup? Not on the same spindles!

How do you manage backups?

Automation

Pre-backup and post-backup

SecurityEncryption

Who has the rights to recover data

technical and business rights

What kind of tracking and reporting you need?

Timely notificationsBackup failures

Reports about backups

Retention period of your backupsDefines how much space you need

Purging expired backups

What are the available solutions?

Write your own script Pay $300 for MySQL recommended solution –

Zmanda Recovery Manager

Takeaways Think about recovery first and be ready for

different types of recovery

Understand impact of backup on your application

Figure out what, where and when to backup

Notifications and reports will simplify your backup procedures and ensure successful recoveries