https://ivanluminaria.com/en/tags/go-live/Recent content in Go-Live on Ivan LuminariaHugoenTue, 10 Feb 2026 08:03:00 +0100https://ivanluminaria.com/en/posts/oracle/oracle-awr-ash/Tue, 10 Feb 2026 08:03:00 +0100https://ivanluminaria.com/en/posts/oracle/oracle-awr-ash/<p>Friday, 6:40 PM. I already had my jacket on, ready to leave. The phone buzzes. It&rsquo;s the project manager.</p> <p>&ldquo;Ivan, we have a problem. The system is crawling. The go-live is tomorrow morning.&rdquo;</p> <p>It&rsquo;s not the first time I&rsquo;ve received a call like that. But the tone was different. This wasn&rsquo;t the usual vague complaint about slowness. This was panic.</p> <p>I reconnect to the VPN, open a session on the client&rsquo;s Oracle 19c database. First thing I do is a quick check:</p>