durability [[COMMIT_WRITE_NO_SYNC | COMMIT_SYNC |
COMMIT_NO_SYNC] | [-master-sync <sync-policy> -replica-sync <sync-policy>
-replica-ask <ack-policy>]] <sync-policy>: SYNC, NO_SYNC, WRITE_NO_SYNC
<ack-policy>: ALL, NONE, SIMPLE_MAJORITY

Configures the write durability used for this session.