OSRunPriority Property

  • Article

Cette fonctionnalité sera supprimée dans une prochaine version de Microsoft SQL Server. Évitez d'utiliser cette fonctionnalité dans de nouveaux travaux de développement, et prévoyez de modifier les applications qui utilisent actuellement cette fonctionnalité.

The OSRunPriority property controls execution thread scheduling for job steps executing operating system tasks.

Syntaxe

object
.OSRunPriority [=value]

Parts

  • object
    An expression that evaluates to an object in the Applies To list.
  • value
    A long integer that specifies an operating system task execution priority level as described in Settings.

Data Type

Long, enumerated

Modifiable

Read/write

Prototype (C/C++)

HRESULT GetOSRunPriority(
SQLDMO_RUNPRIORITY_TYPE* pRetVal);
HRESULT SetOSRunPriority(
SQLDMO_RUNPRIORITY_TYPE NewValue);

Settings

Constant Value Description

SQLDMORunPri_AboveNormal

1

Slightly elevated priority.

SQLDMORunPri_BelowNormal

-1

Reduced priority.

SQLDMORunPri_Highest

2

Highest priority level allowed by the process priority.

SQLDMORunPri_Idle

-15

No CPU time is spent on this thread unless all other threads are blocked.

SQLDMORunPri_Lowest

-2

Lowest priority level allowed by the process priority.

SQLDMORunPri_Normal

0

Standard priority level.

SQLDMORunPri_TimeCritical

15

No CPU time is given to other processes while the job step executes.

SQLDMORunPri_Unknown

100

The value is not valid.

Notes

Set the OSRunPriority property to alter execution thread scheduling for job steps executing operating system commands. The property specifies a thread priority relative to that granted to an instance of Microsoft SQL Server.

ms133466.Caution(fr-fr,SQL.90).gifAttention :
Setting operating system thread priority can have adverse effects on other processes running on the server. Care should be taken when specifying priorities above normal.

Applies To:

JobStep Object