Method mark_up

include/iocore/hostdb/HostDBProcessor.h:246–255

}

inline bool
HostDBInfo::mark_up()
{
  auto t        = last_failure.exchange(TS_TIME_ZERO);
  bool was_down = t != TS_TIME_ZERO;
  if (was_down) {
    fail_count.store(0);
  }
  return was_down;
}

inline bool
HostDBInfo::mark_down(ts_time now)