Diagnosis

Enqueue Requests
Number of lock requests

Enqueue Request Rejects
Number of rejected lock requests

Enqueue Request Errors
Number of errors that occurred during lock requests

Dequeue Requests
Release requests ( DEQUEUE )

Dequeue Request Errors
Number of errors that occurred when releasing locks

DequeueAll Requests
Release of all locks for a LUW, for example at the end of a LUW

CleanUp Requests
Number of releases of all locks for an application server, for exampleat shutdown or startup

Backup Requests
Number of update calls at which locks are forwarded to the update task.The scope-2 lock owner ID of the caller is passed to the update task andthe caller receives a new scope-2 lock owner ID.

Reporting Requests
Number of operations to read the lock table

Owner Names
Maximum number of lock owner IDs that the lock table can include. Lockowner IDs are assigned to a user context or an update request.

Owner Names Peak Utilization
Maximum number of lock owners that have been in the lock tableconcurrently up to now

Owner Names Actual Utilization
Current number of lock owners in the lock table

Granule Arguments
Maximum number of different lock arguments that the lock table caninclude. Locks with different lock owners or different lock modes, butthe same lock argument occupy one entry.

Granule Arguments Peak Utilization
Highest number of different lock arguments that have been in the locktable concurrently so far

Granule Arguments Actual Utilization
Current number of different lock arguments in the lock table

Granule Entries
Maximum number of elementary locks that the lock table can include. Eachelementary lock occupies one entry.

Granule Entries Peak Utilization
Highest number of elementary locks that have been in the lock tableconcurrently so far

Granule Entries Actual Utilization
Current number of elementary locks in the lock table

Update Queue Peak
Maximum number of open update requests with locks so far

Update Queue Actual
Current number of open update requests with locks

Total Lock Time
Total time used for lock operations in the critical path of the locktable

Recent Lock Time (per minute)
Time used for lock operations in the critical path of the lock table inseconds / 1 minute.

Total Lock Wait Time
Total wait time of parallel processes before entry into the criticalpath of the lock table

Recent Lock Wait Time (per minute)
Wait time of parallel processes before entry into the critical path ofthe lock table in seconds / 1 minute

Total Server Time
Total time spent on the lock server-side

Recent Server Time (per minute)
Total time spent on the lock server-side in seconds / 1 minute

Runtime of Data Collector
Node to which the data collection method is assigned. The runtime ofeach data collection is monitored using this node.