Operating Systems - Process vs Thread - Key Differences
You are tasked with designing a fault-tolerant microservice architecture. Which approach best balances isolation and resource sharing?
You are tasked with designing a fault-tolerant microservice architecture. Which approach best balances isolation and resource sharing?
hard🌍 Real-world Scenario Q9 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand fault tolerance needs
Isolation prevents failure in one microservice from affecting others.Step 2: Analyze communication methods
IPC between processes allows controlled communication without shared memory risks.Step 3: Evaluate options
Deploy each microservice as a separate process to ensure isolation and use IPC for communication balances isolation and communication effectively.Step 4: Consider drawbacks of other options
Threads share memory risking faults propagation; async single process lacks isolation; shared memory between processes adds complexity and risk.Final Answer:
Option B -> Option BQuick Check:
Separate processes with IPC balance isolation and communication [OK]
Quick Trick: Separate processes with IPC balance isolation and sharing [OK]
Common Mistakes:
MISTAKES- Assuming threads provide sufficient fault isolation
- Believing shared memory between processes is simple and safe
Trap Explanation:
PITFALL- Candidates underestimate complexity and risk of shared memory across processes.
Interviewer Note:
CONTEXT- Evaluates real-world trade-offs in microservice deployment strategies.
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