Docker - Resource Management
You want to run a container that should always have at least 1GB of memory available but never use more than 2GB. Which Docker run options correctly enforce this?
You want to run a container that should always have at least 1GB of memory available but never use more than 2GB. Which Docker run options correctly enforce this?
hard📝 Best Practice Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify memory reservation and limit roles
Memory reservation sets soft minimum (1GB), memory limit sets hard max (2GB).Step 2: Match options to roles
docker run --memory=2g --memory-reservation=1g mycontainer correctly sets--memory=2g(max) and--memory-reservation=1g(min).Final Answer:
docker run --memory=2g --memory-reservation=1g mycontainer -> Option CQuick Check:
Limit=2g, Reservation=1g for min and max [OK]
Quick Trick: Memory limit is max, reservation is min; order matters [OK]
Common Mistakes:
- Swapping limit and reservation values
- Setting reservation higher than limit
- Confusing units or flags
Master "Resource Management" in Docker
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