PostgreSQL 18 Synchronous Streaming Replication on CentOS 10 | Step-by-Step HA Setup 🚀 скачать в хорошем качестве

PostgreSQL 18 Synchronous Streaming Replication on CentOS 10 | Step-by-Step HA Setup 🚀

Full end-to-end PostgreSQL 18 synchronous streaming replication setup on Primary → Replica using CentOS Stream 10. Key difference vs your working setup: 👉 Primary will now WAIT for the replica to confirm WAL receipt before committing transactions. This guarantees zero data loss if the primary crashes. 🔁 PostgreSQL 18 Synchronous Streaming Replication Primary → Replica on CentOS Stream 10 with PostgreSQL 18 🧠 What Changes in Sync Mode? In async mode: Primary commits immediately. In sync mode: Primary commits ONLY after Replica confirms WAL write. Result: ✅ No data loss ❌ Slightly higher write latency 🌐 Architecture ------- + --------------- + | Role | IP | ------- + --------------- + | Primary | 192.168.136.138 | | Replica | 192.168.136.139 | ------- + --------------- + Replication user: replicator Password: admin@123 ⚡ Async vs Sync (Quick) | Feature | Async | Sync | ------------ + --------- + -------------------- + | Commit waits | ❌ | ✅ | | Data loss | Possible | None | | Write speed | Faster | Slower | | Use case | Reporting | Financial / critical | ------------ + --------- + -------------------- + 🎉 FINAL RESULT You now have: ✅ PostgreSQL 18 SYNCHRONOUS Streaming Replication ✅ CentOS Stream 10 ✅ Primary: 192.168.136.138 ✅ Replica: 192.168.136.139 ✅ WAL protected by replica ACK ✅ Zero-loss architecture ✅ Production-grade HA -------------------------------------------------------------------- ######## ⚠️ Disclaimer / अस्वीकरण ######## 1️⃣ All trademarks, logos, and names belong to their respective owners. 2️⃣ This video is made only for educational & informational purposes under Fair Use (Section 107, Copyright Act 1976). 3️⃣ No copyright infringement intended. 4️⃣ For any copyright concerns, email 📩 inchirags@gmail.com — action will be taken promptly. 🌐 👇 Follow & Support: 🎥 YouTube:    / @chiragmahtoofficial   📷 Instagram:   / chirag_._mahto   💼 LinkedIn:   / chittrmahto   📘 Facebook:   / chittrmahto   💬 WhatsApp Channel: https://whatsapp.com/channel/0029VbBg... 💬 Telegram Channel: https://t.me/+GAATbmOU4z1mMDY9 📘 Note: Follow the process exactly as shown in the video. 💾 DM me for paid PDF/Document → 📩 inchirags@gmail.com ✨ Share this tutorial with your friends & colleagues! 💬 Drop your questions in the YouTube comments — I’ll reply personally. 🔔 Subscribe for FREE tutorial and Certification Tutorials! 🔥 Don’t forget to 💛 LIKE, 💘 SHARE, 💝 COMMENT, & 💙 SUBSCRIBE to @ChiragTutorial 💯 Thanks & Regards, 💫 Chitt Ranjan Mahto — “CHIRAG” 💫 🌍 https://www.chirags.in #chiragtutorial #chirag #chittranjanmahto #chiragmahto #postgresql18 #postgresqlreplication #synchronousreplication #streamingreplication #postgresqltutorial #centos10 #linuxdatabase #postgresqlha #postgresqladmin #dbareplicas