I have a table that has 2.5 million rows and 9 columns that are all
int except for 2 varchar(255) - i.e. not that big of a table. I am
executing this statement:

Event_Message_Idx.objects.filter(event_id__in=event_ids).delete()

Where event_ids has around 1,500 items in it. There is an index on
event_id. This statement is taking 1 hour and 5 minutes to run. There
is nothing else hitting the database at that time, and the machine
it's running on is 97% idle and has plenty of free memory. This seems
extremely excessive to me. I would guess it's because of the in
clause. Perhaps this is more of a MySQL question when a django one,
but is there some better way to do a delete like this in django?

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