Ruby IO buffering

Your Kibana/Cloudwatch/Grafana have different timestamps, you don&rsquo;t see recent logs from your application. Why is that? You may ask. Some QA reports that your application is not working/was not deployed, asking you to review the deploy process. Or even worse: asking your devops colleagues to &ldquo;something went wrong&rdquo; with last deployment could you check? You login into your shell…