![[assets/wl_lw_serializablepredicatelist.png|256]] ![[assets/wl_lw_serializablepredicatelist.png|256]] - **Description**: Waiting to access the shared list of predicate locks held by active serializable transactions. Predicate locks ensure that no "phantom" rows appear or disappear in a way that violates serializable logic. - **Resources**: [[Resources/Memory|Memory]], [[Resources/CPU|CPU]]