It is need to understand that Amazon availability zones in different regions connected via public internet channels (see guide), in result they have regular delays and connectivity issues as in public internet.
PMM server has very high resolution, so network connectivity can become an issue.
Can you change collect interval for qan-analyzer from 1 minute to 5 minutes?
It is needed to login to Percona Query Analytics Web Interface, press “SETTINGS” button and change “Collect interval” value".
