167.7K
SUYour API takes 2 seconds to respond.�How do engineers reduce it to just 200 milliseconds?
Step one is profiling.
You must first identify where the delay is happening.
Check:�database queries�external API calls�heavy processing
Find the slowest step.
Step two is caching using Redis.
If data doesn’t change frequently,�store it in cache.
Instead of querying the database every time,�return data from Redis instantly.
Step three is using async processing and queues.
Heavy tasks like emails, reports, or notifications
�should not run during the API request.
Send them to a background queue�so the API responds immediately.
Step four is reduce payload size.
Return only required fields,�not entire database records.
Step five is reduce network latency.
Use compression, CDNs, and faster servers.
In simple words:�Identify bottlenecks, cache data, use async processing,�and reduce unnecessary work.
@sujan.codes
