https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/Recent content in 事务日志 on Elastic CodeHugo -- gohugo.iozh-cn© 2026 Elastic Codehttps://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/Mon, 01 Jan 0001 00:00:00 +0000https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/<h2 class="relative group">Redo 日志 <div id="redo-日志" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#redo-%e6%97%a5%e5%bf%97" aria-label="锚点">#</a> </span> </h2> <p><figure><img class="my-0 rounded-md" loading="lazy" decoding="async" fetchpriority="auto" alt="" width="1860" height="256" src="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/static/OWifbSkZHoApCDxsuphcX0LEnVc_hu_c06bb625421e9c16.png" srcset="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/static/OWifbSkZHoApCDxsuphcX0LEnVc_hu_c06bb625421e9c16.png 800w, https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/static/OWifbSkZHoApCDxsuphcX0LEnVc_hu_7415c5d64f107a48.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/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/static/OWifbSkZHoApCDxsuphcX0LEnVc.png"></figure> </p> <h3 class="relative group">why? <div id="why" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#why" aria-label="锚点">#</a> </span> </h3> <p><figure><img class="my-0 rounded-md" loading="lazy" decoding="async" fetchpriority="auto" alt="" width="1934" height="1216" src="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/static/TwSobxwBnoYwGcx3ybMcZqpKnLd_hu_92102c23a89d40ed.png" srcset="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/static/TwSobxwBnoYwGcx3ybMcZqpKnLd_hu_92102c23a89d40ed.png 800w, https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/static/TwSobxwBnoYwGcx3ybMcZqpKnLd_hu_1a56e6f702b1fadf.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/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/redo-%E6%97%A5%E5%BF%97/static/TwSobxwBnoYwGcx3ybMcZqpKnLd.png"></figure> </p>https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/undo-%E6%97%A5%E5%BF%97/Mon, 01 Jan 0001 00:00:00 +0000https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/undo-%E6%97%A5%E5%BF%97/<h2 class="relative group">Undo 日志 <div id="undo-日志" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#undo-%e6%97%a5%e5%bf%97" aria-label="锚点">#</a> </span> </h2> <h3 class="relative group">如何理解 undo 日志 <div id="如何理解-undo-日志" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e5%a6%82%e4%bd%95%e7%90%86%e8%a7%a3-undo-%e6%97%a5%e5%bf%97" aria-label="锚点">#</a> </span> </h3> <p><figure><img class="my-0 rounded-md" loading="lazy" decoding="async" fetchpriority="auto" alt="" width="1908" height="1396" src="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/undo-%E6%97%A5%E5%BF%97/static/OQB4bHIjHoP1xgx61m8cFhHInFe_hu_fb150dcb231643b1.png" srcset="https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/undo-%E6%97%A5%E5%BF%97/static/OQB4bHIjHoP1xgx61m8cFhHInFe_hu_fb150dcb231643b1.png 800w, https://my.elastic-code.com/zh/docs/mysql/%E9%AB%98%E7%BA%A7/%E6%97%A5%E5%BF%97/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/undo-%E6%97%A5%E5%BF%97/static/OQB4bHIjHoP1xgx61m8cFhHInFe_hu_b82e8a566d5320db.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/%E4%BA%8B%E5%8A%A1%E6%97%A5%E5%BF%97/undo-%E6%97%A5%E5%BF%97/static/OQB4bHIjHoP1xgx61m8cFhHInFe.png"></figure> </p>