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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mastodon.social/users/juuh42dias/statuses/116621249326472191">Juliana Dias 👩🏻💻☕💎 (juuh42dias@mastodon.social)'s status on Saturday, 23-May-2026 10:17:25 JST</a><a href="https://mastodon.social/@juuh42dias" title="juuh42dias@mastodon.social"><img src="https://gnusocial.jp/avatar/36017-48-20250111072042.webp" width="48" height="48" alt="Juliana Dias 👩🏻💻☕💎" style="position: absolute; left: 0; top: 0;">Juliana Dias 👩🏻💻☕💎</a></section><article><p>Bora ler?</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/6420509#notice-12639083">In conversation</a><time datetime="2026-05-23T10:17:25+09:00" title="Saturday, 23-May-2026 10:17:25 JST">about 5 days ago</time> <span>from <span><a href="https://mastodon.social/@juuh42dias/116621249326472191" rel="external" title="Sent from mastodon.social via ActivityPub">mastodon.social</a></span></span><a href="https://mastodon.social/@juuh42dias/116621249326472191">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/6105901">A close-up photograph of an e-reader screen displaying a page of text under warm lighting.The text on the screen reads:> **22:47**> This method of replication is used in PostgreSQL and Oracle, among others [16]. The main disadvantage is that the log describes the data on a very low level: a WAL contains details of which bytes were changed in which disk blocks. This makes replication closely coupled to the storage engine. If the database changes its storage format from one version to another, it is typically not possible to run different versions of the database software on the leader and the followers.> That may seem like a minor implementation detail, but it can have a big operational impact. If the replication protocol allows the follower to use a newer software version than the leader, you can perform a zero-downtime upgrade of the database software by first upgrading the followers and then performing a failover to make one of the upgraded nodes the new leader. If the replicat</a></label><br><a href="https://files.mastodon.social/media_attachments/files/116/621/249/216/094/438/original/4cc8948baab24645.jpeg" rel="external">https://files.mastodon.social/media_attachments/files/116/621/249/216/094/438/original/4cc8948baab24645.jpeg</a></li></ol></footer></blockquote>
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Juliana Dias 👩🏻💻☕💎 (juuh42dias@mastodon.social)'s status on Saturday, 23-May-2026 10:17:25 JST
Juliana Dias 👩🏻💻☕💎
Bora ler?