(DI-2211) Collector for SAP Lock entries (SM12)

The technical name of the Collector for Locks entries (SM12) is /DVD/MON_CL_COL_LOCKS.

This collector collects information about existing Lock entries (SM12) on the system. By default, it collects all Lock entries, but the scope of the locks monitoring can be customizable via the Input table.

Default KPIs delivered with this collector

The following default KPIs are delivered with this collector:

KPI name

Description

Unit

Detail table

KPI name

Description

Unit

Detail table

LOCK_LONGEST_DURATION

Duration of the longest Lock entry

Hours

No

LOCK_NUM_ALL

Number of all existing Lock entries

Number

No

LOCK_NUM_ALL_SPECIFIC

Number of all existing Lock entries specified in Inputs

Number

Yes

LOCK_NUM_LONG_RUNNING

Number of Lock entries exceeding the time limit

Number

Yes

LOCK_NUM_MODE_E

Number of Exclusive locks (Lock mode E)

Number

Yes

LOCK_NUM_MODE_O

Number of Optimistic locks (Lock mode O)

Number

Yes

LOCK_NUM_MODE_S

Number of Shared locks (Lock mode S)

Number

Yes

LOCK_NUM_MODE_X

Number of Exclusive not cumulative locks (Lock mode X)

Number

Yes

Input table

Collector uses input table /DVD/MON_LOCK_I where user can specify what kind of locks will be processed and calculated into KPI values and detail table /DVD/MON_T_LOCK_DETAIL.

Wildcards are supported for fields Client, Table name or Lock argument. If input table /DVD/MON_LOCK_I is empty, all existing Lock entries are included into the monitoring.

Technical name

Column name 

Description

Technical name

Column name 

Description

KPI_RULE_NUMBER

KPI Rule Number

Sequence of rules (to add a new rule, always increment the previous last KPI rule number).

GCLIENT

Client

Client for the lock entry. Possibility to use wildcard ‘*' in this field.

When wildcard * is used, Lock entries existing on all clients will be processed.

GNAME

Table name

Table name for a Lock entry. Possibility to use wildcard '*' in this field.

When wildcard * is used, Lock entries for all tables will be processed.

GTARG

Lock argument

Lock argument for a Lock entry. Possibility to use wildcard '*' in this field.

When wildcard * is used, Lock entries with any lock arguments will be processed.

TIMELIMIT

Time [min]

Time limit in minutes for long existing locks. If any Lock entry exists longer than this time limit, it is included into the KPI calculating the number of Lock entries exceeding the time limit.

PRIORITY

Rule priority

Rule priority. The rules with a higher priority are processed first.

ADD_TO_DETAIL

Add to details

If relevant Lock entry matches this rule, its additional information is added into detail table (if this field set to 'X'). If this field is set to space, no additional information about Lock entry is reported into detail table.

AGGR_TO_DETAIL

Aggregate to details

If relevant Lock entry matches this rule, its additional information is added into detail table, but in aggregated (set to 'X') or non-aggregated mode (set to space).

Aggregation mode - Lock entries are aggregated into detail table per Client, Host, Table name and Lock mode and if more records with the same aggregation field values exist, the lock count for this record is incremented in detail table.

Non-aggregation mode - Lock entries are not aggregated and all existing Lock entries matching the rule criteria are reported into detail table as a separate records (one Lock entry in SM12 represents one record in Detail table).

REPORT_ONCE

Only once

Report the same Lock entry only once (set to ‘X') or after each collector’s execution (set to space) into detail table.

ACTIVE

Active

Is this rule active ('X') or not (space)?

Detail table

The collector provides detailed table Details for Lock Entries (SM12). The technical name of the detail table is /DVD/MON_T_LOCK_DETAIL.
Details for Lock Entries (SM12) reports all existing Lock entries based on the configured custom rules in input table. By default, when no inputs defined, all Lock entries are processed into detail table in aggregated mode. Records in detail table are aggregated per Client, Host, Table name and Lock mode.

Technical name

Description

Technical name

Description

TIMESTAMP

When the records are saved into the Detail table

SID

System ID

CLIENT

Client in the lock entry

HOST

Host Name in the Lock Owner ID

TABLE_NAME

Elementary Lock of Lock Entry (Table Name)

LOCK_MODE

Lock Mode (Shared/Exclusive) of a Lock Entry

AGGREGATED

Lock Entry: Aggregated or not?

LOCKS_COUNT

Lock Entry: Count the number of aggregated records

LOCK_ARG

Argument String (=Key Fields) of Lock Entry

START_TIME

Lock entry: Start timestamp

UNAME

User name in lock entry

AVG_DURATION

Lock entry: Average duration in minutes

MAX_DURATION

Lock entry: Maximum duration in minutes