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Results tagged with recovery
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user 69194
Recovery is the rebuilding of a database or table space after a problem such as media or storage failure, power interruption, or application failure. If you have backed up your database, or individual table spaces, you can rebuild them should they become damaged or corrupted in some way.
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InnoDB: will uncommitted transaction produce redo log?
Before MySQL commit a transaction, it will write REDO log first, then commit the transaction, that is write ahead log.
start transaction;
update users set uuid = UUID() from user where id = 1
update …
- 523
1
vote
Accepted
InnoDB: will uncommitted transaction produce redo log?
Based on Jeremy Cole's presentation InnoDB: A journey to the core III in Percona Live MySQL Conference 2015.
When the transaction is first started:
A transaction ID (TRX_ID) is assigned and may be …
- 523
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MySQL: why undo log is required in the processes of database recovery?
Is undo log for recover from an crash that happens within recovery? …
- 523