fix empty_node_cache use for cache
#199
| Job | Run time |
|---|---|
| 7m 10s | |
| 4m 11s | |
| 11m 21s |
empty_node_cache use for cache
#199
| Job | Run time |
|---|---|
| 7m 10s | |
| 4m 11s | |
| 11m 21s |