Show TOC

Function documentationSystem Jobs Locate this document in the navigation structure

 

You use the System Jobs screen to view a list of default SAP Manufacturing Integration and Intelligence (SAP MII) system maintenance tasks, which are run in the background at a system-defined frequency.

Features

The job frequency is a hard-coded value and cannot be changed. Times are based on the time SAP MII was last started.

The following table lists the default system jobs:

Job Name

Description

ActivationRequestCleaner

Removes activation requests that are older than seven days Runs daily

DataBufferJobScanner

Processes items in the data buffer queue Runs every minute

CatalogOldDeleteLogs

Delete the old tag catalog logs

CatalogScanInactiveTags

Checks for inactive tags in the plant historian systems

IndexingCleaner

Removes obsolete file references from the index Runs daily

JCOConnectionMonitor

Cleans the JCo connections for which the timeout value was reached

JobHistoryCleaner

Removes expired entries from the job history table Runs every 30 minutes

MDO Data Source Watcher

Monitors the use of Manufacturing Data Object (MDO) data sources When the MDO data source is down, this job runs once a minute to check the status of the data source. When the data source is active again, this job is disabled. When the job is running, all MDO actions, such as queries, inserts, deletes, and so on, are returned as errors.

MDO Log Cleanup

Removes MDO log entries that are older than seven days

MonitorDataCleaner

Monitors data in the message.Cleanup file

SecurityObjectReferenceCleaner

Removes obsolete references to users and roles Runs weekly

SessionLogger

Logs session information Runs every 30 minutes

Shared Property Cleanup

Removes expired properties Runs every minute

TempFileCleaner

Cleans the Temp file table Runs every 60 minutes

TransactionCacheCleaner

Removes in-memory transactions Runs every 5 minutes

TransactionImageCleaner

Removes transaction images from the database Runs every 5 minutes

ValueMapCacheCleaner

Removes value map rules that were not used in the last 24 hours Runs daily

SQLConnectionTimeoutMonitor

Removes the connections that were timed out. The Timeout setting is configured in the SQL Transaction Begin action block

AlertExpirationJob

Checks for expired alerts

For detailed frequency and runtime information, see the System Jobs screen.

Activities

To view the list of system jobs, on the SAP MII administration menu, choose   System Management   System Jobs  .