Best practices for SAP with standalone SAP liveCache

 SAP liveCache Highlights SAP MaxDB Database Studio 7.9.09 is now available SAP MaxDB Database Studio 7.9.09 is now available for download. Version 7.9.09 now supports graphical analysis of theDatabase Analyzer performance metrics using charts. For more information, please access the Database Analyzer Charts entry in SAP Help page. You can also check the expert session in, Session 22: SAP MaxDB Database Analyzer / Charts.  SAP liveCache Installation and Upgrade …

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LCA build update screenshots – liveCache on maxdb

Remark: Although livecache is based on maxdb, please never use maxdb package to patch a maxdb. Please always use LCA build update package to patch. Afterwards maxdb version will be updated automatically. SAP note 1529690 talks how to update LCA build, which is very straightforward, following is steps with screenshots:Prerequisite: 1. Version check 2.Package download as per SAP note 1529690 3. Stop livecache via lc10, then stop sap sytem Installation: …

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Helpful SAP notes: hot news, list of new features, changes, Patch strategy, Matrix of liveCache Versions for SCM 7.00, SCM 7.01, SCM 7.02 and Later

Helpful SAP notes: Hot news note: 2131914 – Serious liveCache inconsistencies after memory bottlenecks List of new features, changes, enhancements and corrected errors delivered with the liveCache builds for SCM 7.00 and SCM 7.01: 2076540 – SAP liveCache 7.0 Changelog List of new features, changes, enhancements and corrected errors delivered with the liveCache builds for SCM 7.02 or later : 2076543 – SAP liveCache 10.0 Changelog Reference to the notes …

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Central location to check matrix of liveCache(based on maxdb), LCA build and SCM matrix

Hi Folks, We cannot just upgrade liveCache without considering SCM, because liveCache and SCM has very strict matrix/combination. Here I will list how to check the matrix of liveCache(based on maxdb), LCA build and SCM. Because it is the prerequisite for a functional system. In other words, if the matrix is not right, then we can say the SCM +  liveCache is not supported. We have below SCN direct document …

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short dump with exception 30730 in APS_ORDER_CHAN

Lately, I’ve seen quite a few incidents where, after a system or liveCache upgrade, dump   Short Dump DBIF_DSQL2_SQL_ERROR      Database Error Text “POS(1) Work rolled back: tExcept 30730 in APS_ORDER_CHAN”   is raised in the following scenarios:   1) During SNP 2 PPDS order conversion 2) When running the Product Heuristic 3) When manually deleting Planned Orders and Production Orders in PP/DS transactions   In most cases, this is …

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Useful notes for LiveCache connectivity issues

It’s common to see many connection problems from SCM system to LiveCache Databases after SCM/LiveCache upgrades. One common symptom of this are errors in the DB59 connection tests and also short dumps during SCM activities with the following errors: Runtime Errors         DBIF_DSQL2_CONNECTERRExcept.                CX_SY_NATIVE_SQL_ERROR Short text     Error setting up a secondary database connection What happened?     Connection to database system not possible with identifier “LCA”. Also, we can see in SAP work …

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Livecache migration

Hello, we are planning to bring our SCM system from windows 2003 to Windows 2008 R2. our current version is scm 5.1 and livecahce in . and max db version is 7.7 We found note  : 919224 – System requirement Windows X64 MaxDB/liveCache 7.5 to 7.9 we could see, we need to upgrade livecahce to and maxdb to 7.8 in source itself. and homogenious copy in windows 2008 …

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Explore APO LiveCache

There is a new book on Programming in SAP APO. You might want to check that out. also please read this :- LiveCache is a program for high performance management of objects used by APO application programs (COM Routines). These objects called OMS objects contain application data whose meaning is unknown to LiveCache. All objects ideally are located in main memory in the global data cache of the LiveCache …

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