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HP NonStop Shadowbase Command Definitions

Consumer Command Descriptions

HP NonStop Shadowbase Command Reference Manual—785421-002

125

CONTROLFILEEXT <primary extent size, secondary extent size,

maximum extents>

Initial Changed

Version Version Values Default Value Specifications Alter

4.060 16,64,128 2,2,16 - 65535,65535,959 No

Client Server Extended Open Target

This parameter defines the extent size that will be used by AUDMON to

create a CONS CONTROLFILE. The default extent size is (16,64,128).

That is, the primary extent size is 16 pages, the secondary extent size is

64 pages, and the maximum number of extents allocated is 128. The

valid range for the primary extent and secondary is 2 through 65535. The

valid range for the maximum extents is 16 through 959. The parameter

can’t be altered.

CONTROLTYPE { SERIAL }

{ PARALLEL }

Initial Changed

Version Version Values Default Value Specifications Alter

2.000 SERIAL SERIAL, PARALLEL No

Client Server Extended Open Target

This specifies whether interprocess messages are sent serially or in

parallel when using extended Consumers (see the TYPE parameter for

details on extended Consumers and HP NonStop Shadowbase Installation

and Planning Manual for extended Consumer configuration examples). If

no extended Consumers are defined, this parameter is ignored (see the

CONS TYPE parameter).

As extended Consumers are generally obsolete (unless otherwise directed

by HP Shadowbase Support), this parameter should not be used. See

CONS TYPE parameter for more information.

Serial means that only one message at a time is sent. Parallel means that

messages are sent asynchronously (as soon as possible). Parallel is

recommended for high performance needs. Default is SERIAL.

Note: If you have multiple files/tables (fileset) being updated within one

transaction by an application(s), this fileset should all be attached to

the same Consumer. You can configure a basic and related

extended Consumer to process this fileset. Set the

CONTROLTYPE to SERIAL to ensure that modifications to the

target database replay in the same order as they did in the source

database. This may be important for some applications that use

the target database, especially those that are time oriented.

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