Heavy Locks on the Entity Framework Database

Dears,

We are having a database which was developed using a Entity Framework, the web application was built on the top of Windows Work Flow Engine (WWF) and there are some stored procedures given below, which was generated by WWF. On which there are numerous heavy locks are happening and we are not aware of how fix this issue.

• [System.Activities.DurableInstancing].[RecoverInstanceLocks]
• [System.Activities.DurableInstancing].[ExtendLock]

Any solution to above problem or if you know the source of the problem, it would be much helpful for us