Search API answers not consistent for repeated calls



I made a dummy app to play & test API v1.1.

  • First, I just executed a search for “test” with result_type = “recent” and count = 30. Each time I got a different number of statuses in response.

  • Then I tried a search for “CHMI” (a string with much lower rate of appearance) with result_type = “recent” and count = 50. I repeated this query 4 times with only a few seconds in between. Over these 4 tries, 2 returned 49 statuses and 2 returned 50 statuses. The 49 statuses were all the same, but one status seems to appear non-deterministically. It is this one :

Do you have any explanation? Why is this end-point reacting like that?