Hi team!
I installed Magento 2 on Linux server and tried Import Products function but it doesn't finish successfully.
If you could give me advices to resolve it, it would be very helpful for me 
* How to reproduce
1. Log in to Admin screen
2. Transit to SYSTEM > Import
3. Entity Type: Products, Import Behavior: Add/Update, choose CSV file with using sample data
* What I got
- Process never ends and loading image keeps displaying
- No apache error log
- No log on Magento/var/log/*
- 503 error on Google Development tool