If I search | eventcount summarize=false index=index3 the answer is count : 32339388
If I search index=index3 182154 event events are count with empty days 42 days before the last days.
I've made 2 changes before to have this behavior :
of course i'm on "all-time" period (or hope to be, because it's look like I'm not)
thank's for your help 🙂