1. Comment: the UGC system
2. Pages/Channels that use the comment system
3. The architecture
4. The APIs and Entries
5. MongoDB and ObjectId
6. Comments "Gailou"
7. Indexes of the big tables
1. Comment: the UGC system
2. Pages/Channels that use the comment system
3. The architecture
4. The APIs and Entries
5. MongoDB and ObjectId
6. Comments "Gailou"
7. Indexes of the big tables