Your API is slow. Adding more servers might not fix it. One of the biggest mistakes I see in back...Your API is slow. Adding more servers might not fix it. One of the biggest mistakes I see in back...
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Hashir's avatar
Hashir Faizy
• Aug 15
Your API is slow. Adding more servers might not fix it.
One of the biggest mistakes I see in backend development is scaling infrastructure before finding the actual bottleneck.
Before adding more servers, check:
Database
Missing indexes
N+1 queries
Unnecessary joins
Fetching more data than required
API
Synchronous operations that could be async
Large response payloads
Missing pagination
Inefficient serialization
Caching
Repeated expensive queries
No caching for frequently requested data
Poor cache invalidation strategy
Observability
No performance metrics
No distributed tracing
No structured logging
No visibility into slow dependencies
A simple rule:
Measure → Identify → Optimize → Measure again.
Don’t optimize based on assumptions.
A well-indexed query can outperform an expensive infrastructure upgrade by a mile.
As developers, our job isn't just to make software work.
It's to make it reliable, scalable, and efficient.
#SoftwareDevelopment #BackendDevelopment #APIs #DotNet #ASPNetCore #CloudComputing #Performance #Scalability #Programming
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