{"shas":[["99b5454167aab89b94f171e4318ef12443c6cfc4","ffeaa947aef224da9ba99b6a18bdd74288df0e3e@sss.pgh.pa.us","Remove debug logging for pgstat wait timeout.\n\nThis reverts commit 79b2ee20c8a041a85dd230c4e787bef22edae57b, which proved\nto not be very informative; it looks like the \"pgstat wait timeout\"\nwarnings in the buildfarm are just a symptom of running on heavily loaded\nmachines, and there isn't any weird mechanism causing them to appear.\n\nTo try to reduce the frequency of buildfarm failures from this effect,\nincrease PGSTAT_MAX_WAIT_TIME from 5 seconds to 10.\n\nAlso, arrange to not send a fresh inquiry message every single time through\nthe loop, as that seems more likely to cause problems (by swamping the\ncollector) than fix them.  We'll now send an inquiry the first time through\nthe delay loop, and every 640 msec thereafter.","Tom Lane"]],"ref":"refs/heads/master","size":1,"head":"99b5454167aab89b94f171e4318ef12443c6cfc4","push_id":43034883}