<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>日志 on Elastic Code</title><link>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/</link><description>Recent content in 日志 on Elastic Code</description><generator>Hugo -- gohugo.io</generator><language>zh-cn</language><copyright>© 2026 Elastic Code</copyright><atom:link href="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/index.xml" rel="self" type="application/rss+xml"/><item><title>Bin Log</title><link>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/bin-log/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/bin-log/</guid><description>&lt;p&gt;&lt;figure&gt;&lt;img
 class="my-0 rounded-md"
 loading="lazy"
 decoding="async"
 fetchpriority="auto"
 alt=""
 width="1886"
 height="498"
 src="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/bin-log/static/YncTbY1HSosc6exkfPpciE00nld_hu_bbcfe115774c9301.png"
 srcset="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/bin-log/static/YncTbY1HSosc6exkfPpciE00nld_hu_bbcfe115774c9301.png 800w, https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/bin-log/static/YncTbY1HSosc6exkfPpciE00nld_hu_2f0d6b19b3a103e5.png 1280w"
 sizes="(min-width: 768px) 50vw, 65vw"
 data-zoom-src="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/bin-log/static/YncTbY1HSosc6exkfPpciE00nld.png"&gt;&lt;/figure&gt;
&lt;/p&gt;
&lt;div class="highlight-wrapper"&gt;&lt;div class="highlight"&gt;&lt;pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;&lt;span style="color:#75715e"&gt;# 查看系统 binlog 文件的配置，如路径、索引文件名、日志文件名称等&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;show variables like &lt;span style="color:#e6db74"&gt;&amp;#39;log_bin%&amp;#39;&lt;/span&gt;;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;&lt;span style="color:#75715e"&gt;# 查看所有的 binlog 文件列表&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;show binary logs
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;&lt;span style="color:#75715e"&gt;# 结束上一个并生成新的 binlog 文件，后续都在新的 binlog 文件记录&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;flush logs&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;/div&gt;

&lt;h2 class="relative group"&gt;查看 binlog 文件内容
 &lt;div id="查看-binlog-文件内容" class="anchor"&gt;&lt;/div&gt;
 
 &lt;span
 class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"&gt;
 &lt;a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e6%9f%a5%e7%9c%8b-binlog-%e6%96%87%e4%bb%b6%e5%86%85%e5%ae%b9" aria-label="锚点"&gt;#&lt;/a&gt;
 &lt;/span&gt;
 
&lt;/h2&gt;
&lt;ol&gt;
&lt;li&gt;使用 mysqlbinlog 命令&lt;/li&gt;
&lt;/ol&gt;
&lt;div class="highlight-wrapper"&gt;&lt;div class="highlight"&gt;&lt;pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;&lt;span style="color:#75715e"&gt;# 主机上的命令&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;mysqlbinlog -v &lt;span style="color:#e6db74"&gt;&amp;#34;/var/lib/mysql/binlog.000016&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;其他参数
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;--base64-output&lt;span style="color:#f92672"&gt;=&lt;/span&gt;decode-rows
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;--&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;/div&gt;
&lt;ol&gt;
&lt;li&gt;show binlog events&lt;/li&gt;
&lt;/ol&gt;
&lt;div class="highlight-wrapper"&gt;&lt;div class="highlight"&gt;&lt;pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;&lt;span style="color:#75715e"&gt;# mysql 客户端控制台命令&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;show binlog events in &lt;span style="color:#e6db74"&gt;&amp;#34;/var/lib/mysql/binlog.000016&amp;#34;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;/div&gt;

&lt;h2 class="relative group"&gt;Binlog 格式
 &lt;div id="binlog-格式" class="anchor"&gt;&lt;/div&gt;
 
 &lt;span
 class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"&gt;
 &lt;a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#binlog-%e6%a0%bc%e5%bc%8f" aria-label="锚点"&gt;#&lt;/a&gt;
 &lt;/span&gt;
 
&lt;/h2&gt;
&lt;p&gt;查看&lt;/p&gt;</description></item><item><title>Relay Log</title><link>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/relay-log/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/relay-log/</guid><description>&lt;h1 class="relative group"&gt;简介
 &lt;div id="简介" class="anchor"&gt;&lt;/div&gt;
 
 &lt;span
 class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"&gt;
 &lt;a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e7%ae%80%e4%bb%8b" aria-label="锚点"&gt;#&lt;/a&gt;
 &lt;/span&gt;
 
&lt;/h1&gt;
&lt;p&gt;&lt;figure&gt;&lt;img
 class="my-0 rounded-md"
 loading="lazy"
 decoding="async"
 fetchpriority="auto"
 alt=""
 width="1882"
 height="446"
 src="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/relay-log/static/Nv10bKLERolmTAxnf9FcwMqRnvf_hu_4dd5c39bc0f7e0cb.png"
 srcset="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/relay-log/static/Nv10bKLERolmTAxnf9FcwMqRnvf_hu_4dd5c39bc0f7e0cb.png 800w, https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/relay-log/static/Nv10bKLERolmTAxnf9FcwMqRnvf_hu_dc4afa511c6ea4da.png 1280w"
 sizes="(min-width: 768px) 50vw, 65vw"
 data-zoom-src="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/relay-log/static/Nv10bKLERolmTAxnf9FcwMqRnvf.png"&gt;&lt;/figure&gt;
&lt;/p&gt;

&lt;h1 class="relative group"&gt;查看
 &lt;div id="查看" class="anchor"&gt;&lt;/div&gt;
 
 &lt;span
 class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"&gt;
 &lt;a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e6%9f%a5%e7%9c%8b" aria-label="锚点"&gt;#&lt;/a&gt;
 &lt;/span&gt;
 
&lt;/h1&gt;
&lt;p&gt;中继日志的格式与 bin log 一样，使用 mysqlbinlog 查看&lt;/p&gt;</description></item><item><title>慢查询日志</title><link>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E6%85%A2%E6%9F%A5%E8%AF%A2%E6%97%A5%E5%BF%97/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E6%85%A2%E6%9F%A5%E8%AF%A2%E6%97%A5%E5%BF%97/</guid><description/></item><item><title>通用查询日志</title><link>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E9%80%9A%E7%94%A8%E6%9F%A5%E8%AF%A2%E6%97%A5%E5%BF%97/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E9%80%9A%E7%94%A8%E6%9F%A5%E8%AF%A2%E6%97%A5%E5%BF%97/</guid><description>&lt;div class="highlight-wrapper"&gt;&lt;div class="highlight"&gt;&lt;pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"&gt;&lt;code class="language-sql" data-lang="sql"&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;&lt;span style="color:#66d9ef"&gt;show&lt;/span&gt; variables &lt;span style="color:#66d9ef"&gt;like&lt;/span&gt; &lt;span style="color:#e6db74"&gt;&amp;#39;%general%&amp;#39;&lt;/span&gt;;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;&lt;span style="color:#66d9ef"&gt;set&lt;/span&gt; &lt;span style="color:#66d9ef"&gt;global&lt;/span&gt; general_log &lt;span style="color:#f92672"&gt;=&lt;/span&gt; &lt;span style="color:#66d9ef"&gt;ON&lt;/span&gt;;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;&lt;span style="color:#f92672"&gt;#&lt;/span&gt; 
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;&lt;span style="color:#960050;background-color:#1e0010"&gt;更新日志名称或者删除日志后，需要刷新重新生成新日志文件&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;mysqladmin &lt;span style="color:#f92672"&gt;-&lt;/span&gt;uroot &lt;span style="color:#f92672"&gt;-&lt;/span&gt;p flush&lt;span style="color:#f92672"&gt;-&lt;/span&gt;logs;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;/div&gt;</description></item><item><title>错误日志</title><link>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E9%94%99%E8%AF%AF%E6%97%A5%E5%BF%97/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E9%94%99%E8%AF%AF%E6%97%A5%E5%BF%97/</guid><description>&lt;p&gt;show variables like &amp;rsquo;log_err%';&lt;/p&gt;
&lt;p&gt;/var/log/error.log&lt;/p&gt;
&lt;div class="highlight-wrapper"&gt;&lt;div class="highlight"&gt;&lt;pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;更名并刷新 
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;mv /var/log/error.log /var/log/error.log.old
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;install -omysql -gmysql -m0644 /dev/null /var/log/error.log
&lt;/span&gt;&lt;/span&gt;&lt;span style="display:flex;"&gt;&lt;span&gt;mysqladmin -uroot -p flush-logs;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;/div&gt;</description></item></channel></rss>