Raspberry Pi - Data Logging and Databases
You want to log temperature and humidity every minute on a Raspberry Pi and keep logs for a week. Which approach best supports this goal?
You want to log temperature and humidity every minute on a Raspberry Pi and keep logs for a week. Which approach best supports this goal?
hard📝 Best Practice Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand logging frequency and retention needs
Logging every minute generates many entries; keeping a week requires file management.Step 2: Choose a method that appends and rotates logs
Appending to daily files and rotating weekly keeps data organized and manageable.Final Answer:
Use a Python script appending data to a daily log file and rotate files weekly. -> Option BQuick Check:
Append + rotate files = best for long-term logs [OK]
Quick Trick: Append data daily and rotate files weekly [OK]
Common Mistakes:
MISTAKES- Overwriting logs loses past data
- Not saving data to disk risks loss
- Deleting logs too soon loses history
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