Summary information |
|
|---|---|
Default value |
1 |
Range of values |
1 – number of CPUs on machine |
Status |
Static |
Display level |
Basic |
Required role |
System administrator |
Configuration groups |
Java Services, Memory Use, Processors |
When configured for threaded mode, Adaptive Server ignores
the number of engines at startup configuration
parameter. In threaded mode, Adaptive Server uses the size of the
defined thread pools to determine the number of online engines at
startup. If the configuration file contains no thread pool configuration
information (for example, while you are upgrading from an earlier
version), Adaptive Server uses the existing value for number
of engines at startup to determine the size the default
engine pool.
number of engines at startup is used exclusively during start-up to set the number of engines brought online. It allows great flexibility, subject to the restriction that you cannot set the value of number of engines at startup to a value greater than the number of CPUs on your machine, or to a value greater than the configuration of max online engines. Users who do not intend to bring engines online after start-up should set max online engines and number of engines at startup to the same value. A difference between number of engines at startup and max online engines wastes approximately 1.8 MB of memory per engine.
Adaptive Server allows users to take all engines offline, except engine zero.
