Say it like this
- We need to optimize the hot path for faster response times.
- The login flow is our main hot path right now.
- Let's profile the code to identify the hot paths.
Use it at work
Code review
- This is the hot path, so let's avoid the extra database call.
- Don't add logging to the hot path.
Performance
- Most of our latency is in the hot path.
- Let's cache data used in the hot path.
Explaining
- Search is our hot path. It runs millions of times a day.
- Optimize the hot path first.
Don't say this
Hot path is a noun describing frequently executed code, not a verb meaning to fix something urgently. Use hot fix for urgent patches.
Practice
Try it
4 quick exercises
1. Your team profiled the application and found the search query is executed 10,000 times per day. How would you describe it?
2. Before deploying, we profiled the code and discovered the _______ handles 80 percent of traffic.
3. Which sentence uses hot path correctly?
4. Rewrite this in natural tech English: The code section that runs most often and uses the most CPU time should be made faster.
Say it out loud
Phrase 1 of 3
"We need to optimize the hot path for faster response times."
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More about hot path
Real examples(3)
- in a standup
"We discovered that the payment processing hot path is causing 40 percent of our latency, so we're prioritizing that optimization this sprint."
- in a code review
"This loop runs in the hot path, so we should avoid allocating memory inside it to reduce garbage collection overhead."
- in a team meeting
"The hot path for user authentication needs to complete in under 200 milliseconds to meet our SLA targets."
More mistakes(2)
Handle with care. Do not confuse with hot fix. A hot path is a code section executed frequently; a hot fix is an urgent patch. Hot path can also mean routing a critical issue, not just code optimization.
- ✕The hot path is not important right now.✓The hot path is critical and must be optimized for performance.
Hot paths are by definition important because they directly impact overall application speed. Neglecting them causes cascading performance problems.
- ✕Let us hot path the new feature.✓Let's identify the hot path in the new feature so we can optimize it.
Hot path is not a verb. You identify, optimize, or monitor hot paths, but you do not hot path something.
Other forms(2)
- hot path noun
"The hot path in our caching layer needed optimization."
- hot-path (used as modifier) adjective
"We implemented hot-path optimization to reduce latency."
Often used with(4)
- optimize the hot path · Most common collocation meaning to improve performance of frequently executed code.
- identify hot paths · Used when discovering which code sections need optimization through profiling.
- hot path analysis · Formal term for studying and measuring execution patterns.
- in the hot path · Prepositional phrase meaning inside the frequently executed code section.
Similar words(2)
- critical path · Similar but more general, refers to essential operations that impact system performance.
- bottleneck · Describes the constraint or slow section, whereas hot path is the frequently executed section that may need optimization.
Opposites(2)
- cold path
- slow path
Questions(5)
- What does hot path mean in software engineering?
- A hot path is a code section that executes frequently or handles critical operations. Identifying and optimizing hot paths is essential for improving application performance because improvements to frequently executed code deliver the biggest speed gains.
- How do you use hot path in a sentence at work?
- You can say: We identified the database query as the hot path and optimized it. Or: Our authentication hot path must handle 10,000 requests per second. Use it as a noun to describe the code section or workflow you are discussing.
- Is hot path formal or informal?
- Hot path is neutral and professional. It is used in formal architecture reviews, performance meetings, and code reviews equally. It is standard industry terminology.
- Is hot path different from hot fix?
- Yes, completely different. A hot path is a frequently executed code section. A hot fix is an urgent patch deployed to production to fix a critical bug. Do not confuse the two.
- How do engineers find hot paths?
- Engineers use profiling tools and performance monitoring to measure which code sections consume the most CPU time or execute most frequently. Metrics and logs also reveal which user flows are executed most often.
