Name: Series2 -Inside the Database Engine: MySQL, PostgreSQL & MongoDB – Architecture
Start: 2025-12-05T18:30:00+05:30
End: 2025-12-05T21:30:00+05:30

**From Theory to Source Code: Internals That Drive Your Database”**
🧠 *Explore, Decode & Rebuild Core Database Engines Like the Pros*

📅 **Date:** Aug 3th, 2025
⏰ **Time:** 6:30 PM – 9:30 PM IST
Join Zoom Meeting

[https://us02web.zoom.us/j/89315077599?pwd=z3aaToAj7pixB9eijIZ2rThmQ1bhZY.1](https://us02web.zoom.us/j/89315077599?pwd=z3aaToAj7pixB9eijIZ2rThmQ1bhZY.1)

Meeting ID: 893 1507 7599
Passcode: 131654

📍 **Live + Recorded + Labs Access**
🎥 **Hosted by:** Coderrange YouTube + GitHub + Telegram Group

***

### 🧬 **What Makes Series 2 Different?**

✅ We **show the internal source code** from the **official GitHub repos** of MySQL, PostgreSQL, and MongoDB
✅ Live **debugging and instrumentation** walkthroughs
✅ You **run labs locally**, inspect logs, retry events, and simulate failure
✅ We help you **trace real crash recovery, log replay, and buffer pool internals**

**🔧 Dive into Real Source Code • Crash Recovery • Retry Logic • Live Demos**

| 🕕 Time | 💡 Session |
| ------- | ---------- |
| **6:30 PM** | **Kickoff + Setup Labs** |
| Get access to GitHub repos, tools, data dumps, and retry labs. | |
| | |
| **6:45 PM** | **MySQL Recovery Internals** |
| Analyze InnoDB crash recovery code (`log0recv.cc`), simulate redo logs, binlog replay, and fail recovery. | |
| | |
| **7:15 PM** | **PostgreSQL WAL + Vacuum Deep Dive** |
| Trace WAL flush, replay, and vacuum cycles from the `xlog.c` source. Live demo of planner + stats tools. | |
| | |
| **8:00 PM** | **MongoDB Replication & Failover** |
| Walk through Oplog, elections, failover logs, and aggregation engine from MongoDB core files. | |
| | |
| **8:40 PM** | **Retry Mechanisms in Action** |
| Compare how MySQL (`force_recovery`), Postgres (WAL timelines), and MongoDB (retryable writes) recover. | |
| | |
| **9:00 PM** | **Live Panel: Building Resilient DB Systems** |
| Lessons from Netflix/Uber/Google. DB selection tips for scale, resilience, and observability. | |
| | |
| **9:30 PM** | **Wrap-Up + GitHub Drop + Telegram Group Access** |

***

venkatesh DB

CoderRange - AI ,  Big data , Data Science !.

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Series2 -Inside the Database Engine: MySQL, PostgreSQL & MongoDB – Architecture 

CoderRange - AI , Big data , Data Science !.

Series2 -Inside the Database Engine: MySQL, PostgreSQL & MongoDB – Architecture

CoderRange - AI , Big data , Data Science !.

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