SAP APO Live Cache Administration

SAP Basis Online Trainings

SAP APO-Live Cache Administration

TCODE LC10 is used for all LC operation using the SAPGUI

• Properties -> Select Files Tab , These files are for Debugging issues, reviewing logs.

• Current Status -> review current config, memory – No changes can be made. This is only for review.

• Problem Analysis -> Allows for performance monitoring, view Messages and Logs.

• Administration -> used for Operation of LC and Configuration. Configuration is where changes can be made to current parameters.

LC Operation

• Start/Stop LC using LC10

1. Login into the APO target system Tcode LC10 -> “livecache:Monitoring”

1. Administration -> Operating Click Start LiveCache  or Stop LiveCache

• Monitor usage for Data Area, Log Area and Cache

                    LCA -> Memory Areas

LC10--> Administration

• Administration -> Configuration –Volumes

VOLUMES

• Enter the size in KB

• Ensure there is enough disk space available on the FS

• Type : File

Note : One datafile per FS is recommended for optimal performance

VOLUMES

• Confirmation .. Click “yes”

Coniguration – Modifying Parameters

• Administration -> Configuration -> Parameters

• General and Extended Tab have various LC parameters that can be modified

• LC should be restarted for the changes in parameters to take effect

• Using LC10 -> Configurtaion -> Backup 

• Backup Medium can be defined , modified or renamed.

DBMGUI for Administration

LC Operation

• Using DBMGUI– use one of the radio buttons to start, stop or set “admin” mode

• It is not recommended to start Livecache using DBMGUI

Information Tab 

• gives info about data, log areas used

• Backup History

• Current parameters set

Configuration using DBMGUI

• In the configuration tab -> select parameters to modify, add parameter values

• Has GENERAL and EXTENTED Tab

• LC has to be restarted for new values to take effect

DBMGUI –Configuration -> Volumes

Adding Volumes -> Right Click on Available DataVolume Name -> Select New Volume

Ensure space is available on Unix FS and “sdb” user_id has write permission

LiveCache Checks

• Use Tcode /n/sapapo/om00 – This displays a list of /sapapo/… Trasactions

• Use /n/sapapo/om03 to test connectivity between LC and LC Database . This takes about 15 min to run

/n/sapapo/om03

/n/sapapo/om03

• Click Back Arrow 

• Review the output page. Last lines look as follows..

/n/sapapo/om13

• Various tabs provide information of various checks for Livecache. Review the tabs

• Versions – > LC version, COM routines version, etc.

• Checks -> Reports being run, parameter settings, etc

• Error Messages -- Reads the knldiag.err file

/n/sapapo/om17

• Click on Consistency Check

• Check all except “Production Campaigns”

/n/sapapo/om17……….contd

• Correct any inconsistencies if exists

Consistency Checks Programs

In se38, Execute Report

/SAPAPO/TS_LCM_CONS_CHECK –Consistency Check for existing time Series Network

• Select Planning area– There are nine planning areas and only one can be selected for each execution

• UnCheck “CHECK SNP Master Data”

• While executing a “Repair” Planning Area should be Locked

In se38, Execute Report

/SAPAPO/TS_LCM_REORG—Check LC Time series Master Data

• There is only one Planning Version and is always 000 

• Click on Variants – 2 variants are defined, LC_CHECK and LC_REPAIR

• Execute LC_CHECK – If it returns any Superfluous objects then execute LC_REPAIR to fix the problem.

• Execute LC_CHCEK again to ensure no superfluous objects exist

NOTE : when LC_REPAIR is selected, Lock Planning Version and Repair boxes are checked.