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    <title>Log System on Interesting AI</title>
    <link>http://www.wfcoding.com/en/tags/log-system/</link>
    <description>Recent content in Log System on Interesting AI</description>
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      <title>Logging Architecture: Making Every Log Line AI Writes Valuable</title>
      <link>http://www.wfcoding.com/en/articles/design/0108/</link>
      <pubDate>Sat, 08 Aug 2026 00:00:00 +0000</pubDate>
      <guid>http://www.wfcoding.com/en/articles/design/0108/</guid>
      <description>&lt;blockquote&gt;
&lt;p&gt;&lt;strong&gt;Standardize log formats, log levels, and trace instrumentation so that AI stops logging chaotically everywhere.&lt;/strong&gt;&lt;/p&gt;
&lt;/blockquote&gt;
&lt;p&gt;As AI-assisted programming becomes increasingly common, an easily overlooked problem is emerging:&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;AI is very good at writing logs, but not necessarily good at writing &amp;ldquo;useful logs.&amp;rdquo;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;Ask AI to implement a feature, and it will likely generate something like:&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;pre tabindex=&#34;0&#34; class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-python&#34; data-lang=&#34;python&#34;&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;n&#34;&gt;logger&lt;/span&gt;&lt;span class=&#34;o&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;n&#34;&gt;info&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;start&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;n&#34;&gt;logger&lt;/span&gt;&lt;span class=&#34;o&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;n&#34;&gt;info&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;processing...&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;n&#34;&gt;logger&lt;/span&gt;&lt;span class=&#34;o&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;n&#34;&gt;info&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;data loaded&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;n&#34;&gt;logger&lt;/span&gt;&lt;span class=&#34;o&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;n&#34;&gt;error&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;failed&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Individually, these seem fine. But as the project grows larger, you&amp;rsquo;ll find your logs turning into something like this:&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;pre tabindex=&#34;0&#34; class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-text&#34; data-lang=&#34;text&#34;&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;start
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;processing...
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;loading data...
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;done
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;request failed
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;retry...
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;success
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;When something actually breaks, it becomes very difficult to answer a few of the most basic questions:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;Which request caused the error?&lt;/li&gt;
&lt;li&gt;Which module caused the error?&lt;/li&gt;
&lt;li&gt;Which step caused the error?&lt;/li&gt;
&lt;li&gt;&amp;hellip;&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;The problem is rarely &amp;ldquo;too few logs.&amp;rdquo; It&amp;rsquo;s usually:&lt;/p&gt;
&lt;blockquote&gt;
&lt;p&gt;&lt;strong&gt;There are plenty of logs, but no system behind them.&lt;/strong&gt;&lt;/p&gt;
&lt;/blockquote&gt;
&lt;p&gt;Therefore, just like exception handling, dependency injection, and interface contracts, &lt;strong&gt;logging should also be part of the project architecture — not left to the free rein of developers or AI.&lt;/strong&gt;&lt;/p&gt;
&lt;hr&gt;</description>
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