Set tuning parameters
- Last UpdatedOct 02, 2024
- 1 minute read
- PI System
- PI Server 2024 R2
- PI Server
You may want to consider configuring some values to tuning parameters for your Data Archive deployment.
Tuning parameters are used for a variety of tasks. The following table lists some of the most common uses for tuning parameters.
|
Task |
Tuning parameter |
|---|---|
|
Track which users are making changes to attribute sets and point classes |
EnableAudit |
|
Set the maximum size of auditing files |
AuditMaxKBytes, AuditMaxRecords |
|
Standardize archive names |
Archive_AutoArchiveFileRoot |
|
Set the maximum number of events per consumer |
MaxUpdateQueue |
|
Set the maximum number of events that can be queued in the Update Manager database |
TotalUpdateQueue |
|
Prevent automatic archive creation when free space is less than a specified value, instead writing data to queues |
Archive_LowDiskSpaceMB |
|
Force a backup to abort if 256MB of disk space or less will remain after the backup completes |
Backup_LowDiskSpaceMB |
For detailed information about tuning parameters, see the PI Data Archive System Management Guide.
Note: Tuning parameters are not replicated. If this Data Archive is a member of a collective, the changes you make here will not be replicated on other members of the collective.
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To edit tuning parameters, you need read/write permissions to the PITUNING entry in the Database Security tool. To open the Tuning Parameters tool, select Operation > Tuning Parameters in the System Management Tools pane.
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Use the Tuning Parameters tool to view and edit Data Archive settings for all connected Data Archive servers. Tuning parameter settings are also known as Timeout table parameters. PI SMT displays the tuning parameter sorted by name.