top considerations for backup of mysql
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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? - PowerPoint PPT PresentationTRANSCRIPT
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Presented by,MySQL & O’Reilly Media, Inc.
Top considerations for backup of MySQLDmitri Joukovski, Zmanda
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Why do you need to backup MySQL? Disaster recovery
Compliance requirements
Protecting against user error
Application testing
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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)
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Be ready for different types of recovery The whole server
Specific database
Specific table
Specific transactions
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Easy recovery = successful recovery
Make a list of possible recovery situationsOriginal locationNew hardware and same OS and MySQL
versionNew hardware and different OS
Test all of them
Actual recoveries happen under stress
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How much backup will impact your application? Backup window – the amount of time your
application is unavailable or degradedCold, warm and hot backup
Size of database Database activity Business requirements
Plan for backup early on
Define your backup window
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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
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What is the best time to backup? Database activity
Is 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!
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How do you manage backups? Automation
Pre-backup and post-backup
SecurityEncryptionWho has the rights to recover data
technical and business rights
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What kind of tracking and reporting you need? Timely notifications
Backup failures
Reports about backups
Retention period of your backupsDefines how much space you needPurging expired backups
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What are the available solutions? Write your own script Pay $300 for MySQL recommended solution –
Zmanda Recovery Manager
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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