archive workshop #4

Signed-off-by: Junwang Zhao <[email protected]>

Author: zhjwpku

README.md

@@ -23,4 +23,5 @@ Participants are invited to post their inquiries regarding the video in the comm
 - [PostgreSQL Optimizer Methodology - August 2024](https://github.com/pghacking/workshop/issues/1)
 - [Walk-through of Implementing Simple Postgres Patch: From sources to CI - Septemper 2024](https://github.com/pghacking/workshop/issues/2)
 - [Streaming I/O and vectored I/O - October 2024](https://github.com/pghacking/workshop/issues/3)
+- [Memory Management + Buffer Cache - November 2024](https://github.com/pghacking/workshop/issues/4)