undocumented virtual column %%lockres%%
undocumented virtual column %%lockres%%
KeyHashValue : A lot of duplicate keys
Change Lock Resource Hashing Algorithm to Reduce Likelihood of Collisions
Improvement in minimizing lockhash key collisions in SQL Server 2008R2 and its impact on concurrency
http://blogs.msdn.com/b/sqlserverstorageengine/archive/2006/05/26/range-locks.aspx