rewrite: optimize the interval of sync when rewriting memtables.
#1527
| Job | Run time |
|---|---|
| 13m 11s | |
| 32m 59s | |
| 29m 36s | |
| 12m 3s | |
| 1h 27m 49s |
sync when rewriting memtables.
#1527
| Job | Run time |
|---|---|
| 13m 11s | |
| 32m 59s | |
| 29m 36s | |
| 12m 3s | |
| 1h 27m 49s |