Kaizen on Chen Kai Bloghttps://www.chenk.top/en/tags/kaizen/Recent content in Kaizen on Chen Kai BlogHugoenTue, 02 Jun 2026 09:00:00 +0000Product Thinking (4): Self-Healing Systems — Teaching Machines to Fix Themselveshttps://www.chenk.top/en/product-thinking/04-self-healing/Tue, 02 Jun 2026 09:00:00 +0000https://www.chenk.top/en/product-thinking/04-self-healing/<h2 id="the-bug-that-fixed-itself" class="heading-anchor">The Bug That Fixed Itself<a href="#the-bug-that-fixed-itself" class="heading-link" aria-label="Permalink to this section" title="Copy link to this section">#</a> </h2><p>One morning in late May 2026, I woke up to a DingTalk notification from my research agent system:</p> <blockquote> <p>&ldquo;self_heal Rule 37 triggered: restarted research-pipeline after 3 consecutive OOM kills. Root cause: scanner thread retained full PDF buffers across iterations. Applied patch: explicit <code>del</code> after extraction. Validation: 45 minutes post-patch, RSS stable at 1.2 GB (was 2.4 GB pre-patch).&rdquo;</p>