[[metric:blocked_sessions]]

Sessions with one or more blocking PIDs.

Referenced by wait events

• Lock/advisory
• Lock/applytransaction
• Lock/extend
• Lock/frozenid
• Lock/object
• Lock/page
• Lock/relation
• Lock/spectoken
• Lock/transactionid
• Lock/tuple
• Lock/userlock
• Lock/virtualxid
• LWLock/LockManager