Modifying the data store

Use the MODIFY command to supply information to HCL Workload Automation for Z data store after it has started. The syntax of the MODIFY command is:

/F procname,modifyoption

where:

procname: The HCL Workload Automation for Z JCL procedure name.
modifyoption: Can be one of the following:

S=taskname

Start the specified data store subtask.

P=taskname

Stop the specified data store subtask.

taskname can be one of the following:

ARRD: Reader task.
ARCU: Cleanup task.
ARCM: Communication.

ARDYWR

Display number of active writers.

ARDYTW

Display WINTERVAL value.

ARDYNY

Display MAXSTOL value.

ARDYNS

Display MAXSYSL value.

ARDYTU

Display CINTERVAL value.

ARDYNS

Display MAXSYSL value.

ARDYPM

Display all initialization parameters values.

ARSTKW O=[owner],K=[keyword]

Display the statistical data for a specific owner or single keyword. The following describes the keyword and owner combinations:

Table 1. Keyword and owner combinations
Owner	Keyword	Meaning
JESQUEUE	COUNTJOB	Number of jobs still in the JES Queue control block
JESQUEUE	JOBINSQU	Number of jobs inserted in the JES Queue control block
JESQUEUE	DSIDINSQ	Number of DS IDs (sysout) inserted in the JES Queue control block
JESQUEUE	JOBRQUEU	Number of jobs re-queued: deleted from the JES Queue control block after the store
JESQUEUE	JOBDISCA	Number of jobs discarded: deleted from the JES Queue control block because of an error during the store in the database
DATAFILEnnnn	CNTDPAGE	Number of data pages for the data file specified
READER	JOBRQSDB	Number of jobs requested directly to the database
READER	JOBRQJES	Number of jobs requested to JES Queue because they are not stored in the database yet
COMMUNICATION	INPUTMSG	Number of input messages received
COMMUNICATION	OUTPTMSG	Number of output messages sent

ARSTGN

Display all the statistics for the data store.

ARMDWR

Modify number of active writers.

ARMDTW=n

Modify WINTERVAL value (seconds).

ARMDNY=n

Modify MAXSTOL value (number of lines).

ARMDNS=n

Modify MAXSYSL value (number of lines).

ARMDTU=n

Modify CINTERVAL value (seconds).

ARMDNS=n

Modify MAXSYSL value (number of lines).

ARDGCM=on/off

Activate or deactivate Communication task traces.

ARDGWR=on/off

Activate or deactivate Writer task traces.

ARDGRD=on/off

Activate or deactivate Reader task traces.

ARDGJQ=on/off

Activate or deactivate JES Queue task traces.

ARDGDB=on/off

Activate or deactivate Database task traces.