[Sets] Add Read lock to new Union and ShallowCopy
#2055
| Job | Run time |
|---|---|
| 3m 12s | |
| 2m 44s | |
| 5m 56s |
Union and ShallowCopy
#2055
| Job | Run time |
|---|---|
| 3m 12s | |
| 2m 44s | |
| 5m 56s |