1.4.1 Operands with modifiable specifications

The table below lists operands defined in the HiRDB system definitions and whether each operand can be modified when HiRDB is restarted. The operands are listed in alphabetical order. Note that the operands of the definition in the bulleted line below are not described here; those operands can be modified before the HiRDB system is restarted (after a planned, forced, or abnormal termination).

Legend:
MOD FRCD?: Modifiable after forced or abnormal termination?
MOD PLND?: Modifiable after planned termination?
Y: Can be modified.
N: Cannot be modified.
I: Typically needs to be modified, but be careful to maintain system integrity.
--: Not applicable
SYS: System common definition
UNT: Unit control information definition
SVR: Server common definition
SDS: Single server definition
FES: Front-end server definition
DS: Dictionary server definition
BES: Back-end server definition
#1
This operand can be added if it does not exist; if it already exists, it cannot be deleted or modified.
#2
It might not be possible to restart HiRDB if the value specified in this operand is decreased. If this occurs, revert the specification to the value prior to the change, and then restart.
#3
It might not be possible to restart HiRDB if the value specified in this operand is increased. If this occurs, revert the specification to the value prior to the change, and then restart.
#4
Restrictions apply to modification of this operand's value. For details, see the explanation of the operand.
#5
Exercise caution in modifying this operand while connected to HiRDB Datareplicator (source). Stop the corresponding HiRDB Datareplicator before adding, modifying, or deleting the specification of this operand, and while restarting HiRDB after such a change. Changing this definition and restarting HiDRB while HiRDB Datareplicator is running might result in failure of extraction by HiRDB Datareplicator.
#6
The values of the HiRDB system definition operands shown below can be modified in the client environment definitions of the individual clients. To modify a value for a client, specify the applicable client environment definition operand. For details about the client environment definitions, see the HiRDB Version 9 UAP Development Guide.
HiRDB system definition operandClient environment definition operand
pd_additional_optimize_levelPDADDITIONALOPTLVL
pd_cwaittime_wrn_pntPDCWAITTIMEWRNPNT
pd_delete_reserved_word_filePDDELRSVWDFILE
pd_ha_transactionPDHATRNQUEUING
pd_hash_table_sizePDHASHTBLSIZE
pd_lck_wait_timeoutPDLCKWAITTIME
pd_optimize_levelPDSQLOPTLVL
pd_space_levelPDSPACELVL
pd_uap_exerror_log_param_sizePDUAPEXERLOGPRMSZ
pd_uap_exerror_log_usePDUAPEXERLOGUSE
pd_watch_pc_client_timePDSWATCHTIME
#7
If pd_dbbuff_modify=Y is specified in the system common definition (pdsys), this specification cannot be modified.
#8
Whether the operand can be modified depends on which options are specified. For details, see the descriptions of the individual operands.