def clearStats(self):
        """
        Description
            Clear all stats and wait for API server to finish.
        """
        url = self.ixnObj.sessionUrl + '/operations/clearstats'
        response = self.ixnObj.post(url, data={'arg1': ['waitForPortStatsRefresh']})
        self.ixnObj.waitForComplete(response, self.ixnObj.httpHeader + response.json()['url'])