performance - Vishal Zambre

ruby

10 Apr 2026

Advanced Query Performance Optimization in Rails

Vishal Zambre

6 min read

Rails makes it easy to ship features quickly, but the same abstractions that save time can hide expensive database work. Once you have moved past...

#ruby #rails #activerecord +3 more

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ruby

28 Jan 2026

How to Write Thread-Safe Ruby Code

Vishal Zambre

2 min read

Thread safety means your code behaves correctly even when multiple threads run at the same time. In MRI Ruby, the GIL limits true parallel execution...

#ruby #concurrency #thread-safety +2 more

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ruby

26 Jan 2026

What Is the GIL in MRI Ruby?

Vishal Zambre

3 min read

The GIL (Global Interpreter Lock) is a mutex inside MRI Ruby that ensures only one thread executes Ruby bytecode at a time. It does not...

#ruby #mri #concurrency +1 more

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postgresql

25 Jan 2026

PostgreSQL Vacuum for Large Rails Tables

Vishal Zambre

3 min read

PostgreSQL does not overwrite rows in place. Every UPDATE/DELETE creates dead tuples that must be cleaned up. VACUUM is the mechanism that reclaims space, keeps...

#postgresql #rails #vacuum +2 more

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Tag: #performance

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