Read from the faster node (ie the node which replies faster than all others), regardless its status (primary or secondary).
Read from the primary if it is available, or secondaries if it is not.
Read only from any secondary.
Read from any secondary, or from the primary if they are not available.
Read only from the primary.
Read from the fastest node (ie the node which replies faster than all others) that has the given tag
,
regardless its status (primary or secondary).
Read from the fastest node (ie the node which replies faster than all others), regardless its status (primary or secondary).
Read only from the primary.
Read only from the primary. This is the default choice.
Read from any node that has the given tag
in the replica set (preferably the primary).
Read from the primary if it is available, or secondaries if it is not.
Read from a secondary that has the given tag
in the replica set.
Read only from any secondary.
Read from any node that has the given tag
in the replica set (preferably a secondary).
Read from any secondary, or from the primary if they are not available.