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Cleanup script for orphaned data in a Zabbix Database

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Zabbix Database Cleanup

This repo contains a few useful queries to cleanup old orphaned data in a Zabbix database. While Zabbix does Housekeeping, it does not clear orphaned data very well. Especially if you come from a long upgrade-line (1.x to 1.6 to 1.8 to 2.x), chances are your database is riddled with orphaned data that is consuming disk space.

Usage: check how many orphaned rows you have

These queries are safe to run, but if you have a large database please note that these can take a while (read: a few hours is normal).

[email protected]$ mysql -f zabbix < checkscript.sql


[email protected]$ ./
[email protected]$ ./ ./zbx_db_info.cnf

Usage: delete the orphaned rows

Use the queries above on your won risk. Take backups first. Once you have back-ups, go ahead and be brave.

 [email protected]$ mysql -f zabbix < cleanup.sql


[email protected]$ ./
[email protected]$ ./ ./zbx_db_info.cnf

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