28. BUG in Double-Checked Locking of Singleton Pattern & its Fix | Low Level System Design Question

Описание к видео 28. BUG in Double-Checked Locking of Singleton Pattern & its Fix | Low Level System Design Question

Its a very important Low Level System Design interview question.
There are 2 Memory issues present in Double Checked Locking Solution of Singleton Pattern.
- Instruction Reordering issue
- Caching Issue

I have explained the double checked locking in previous Video:    • 27. All Creational Design Patterns | ...  

Chapters:
00:00 - Introduction
02:32 - Issue1 (Instruction Reordering Issue)
08:59 - Issue2(L1 Caching Issue)
13:47 - Fix(Usage of Volatile keyword)

#systemdesign #lowleveldesign #singleton

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