Steps to reproduce:

1. query zabbix server database meta data.

SELECT table_name, (data_length + index_length) / 1024 / 1024 AS total_mb, table_rows FROM information_schema.tables WHERE table_schema = 'zabbix' ORDER BY total_mb DESC

Result:
History, trends and events table grow more and more fast. Seems  the housekeep job didn't work efficiently. The Problems and Graph page load slowly or crashed.
Expected:
Please advise how to housekeep thess table manually.