@ -50,7 +50,7 @@ operator: 
In the condition like the search engine and recommendation system, the number of feature ID may be very large, see 1000000000, then for a lookup table of size 8, the total size of the table is:
```
100000000000 * 8 * 4.0 = 2980.23 GB
100,000,000,000 * 8 * 4.0 = 2980.23 GB
### Solution: Distributed storage