In der Tat scheint es ein anderes Problem zu sein... Ich habe in der Zwischenzeit den "slow query log" eingerichtet. Dort habe ich einen Eintrag gefunden, der den ganzen Server in die Knie zwingt...
SELECT *,
`TABLE_SCHEMA` AS `Db`,
`TABLE_NAME` AS `Name`,
`TABLE_TYPE` AS `TABLE_TYPE`,
`ENGINE` AS `Engine`,
`ENGINE` AS `Type`,
`VERSION` AS `Version`,
`ROW_FORMAT` AS `Row_format`,
`TABLE_ROWS` AS `Rows`,
`AVG_ROW_LENGTH` AS `Avg_row_length`,
`DATA_LENGTH` AS `Data_length`,
`MAX_DATA_LENGTH` AS `Max_data_length`,
`INDEX_LENGTH` AS `Index_length`,
`DATA_FREE` AS `Data_free`,
`AUTO_INCREMENT` AS `Auto_increment`,
`CREATE_TIME` AS `Create_time`,
`UPDATE_TIME` AS `Update_time`,
`CHECK_TIME` AS `Check_time`,
`TABLE_COLLATION` AS `Collation`,
`CHECKSUM` AS `Checksum`,
`CREATE_OPTIONS` AS `Create_options`,
`TABLE_COMMENT` AS `Comment`
FROM `information_schema`.`TABLES` t
WHERE `TABLE_SCHEMA` COLLATE utf8_bin
IN ('ah_lochner')
ORDER BY Name ASC LIMIT 250 OFFSET 0;
Mir sagt das allerdings gar nichts, denn das scheint ein Query vom Server zu sein, denn ich gebe nirgends so einen Befehl ein...