How do I ARCHIVE old data in MySQL?
Another option for archiving MySQL data is a tool like pt-archiver. pt-archiver is a component of the Percona Toolkit that nibbles old data from a source table and moves it to a target table. The target can be in the current or an archive database. It is designed for use with an up-and-running database.
How do you ARCHIVE a database?
Select Database | Manage Database Backup and Restore. In the upper right Databases pane, select the full STORAGE database you wish to archive. The database must have reached its maximum size, and a new database must be started. Right-click the STORAGE database and select Archive.
How do I archive data in Mongodb?
mongodb – monthly archival of data
- Create a table with partitions based on a date field. There are typically three tables (partitions) – current (M0), previous month (M1) and previous to previous month (M2).
- Detach M2, download data and drop table. Create M2 (empty) again.
What is DB archiving?
Data archiving is the practice of identifying data that is no longer active and moving it out of production systems into long-term storage systems. Archival data is stored so that at any time it can be brought back into service.
How do I create an archive table in MySQL?
Create the Archive Database and table. Insert into ArchiveDB. table select * from old_tbl where datetime <= Archivedate. Then DELETE FROM old_tbl WHERE datetime <= Archivedate.
When do I create an archive table in MySQL?
When you create an ARCHIVE table, the storage engine creates files with names that begin with the table name. The data file has an extension of .ARZ. An .ARN file may appear during optimization operations. The ARCHIVE engine supports INSERT , REPLACE, and SELECT, but not DELETE or UPDATE.
What’s the best way to archive a database?
Create the Archive Database and table. Insert and delete via batches. Reclaim the space after deleting from the old database. Update stats without downtime. …Or if you know of any best practice then let me know.
How does the Archive engine work in MySQL?
The ARCHIVE engine supports INSERT, REPLACE, and SELECT, but not DELETE or UPDATE. It does support ORDER BY operations, BLOB columns, and spatial data types (see Section 11.5.1, “Spatial Data Types”). Geographic spatial reference systems are not supported. The ARCHIVE engine uses row-level locking.
Which is the best way to backup MySQL data?
Another possibility is to move the data to another MySQL table or MongoDB collection in the existing database (i.e., moving from the transactions table to transactions_archived). This is a fast and efficient way to backup the data, and it allows for easy querying since the data still resides in the database.