Delta in Genaric extractin

Hello gurus,
I have done generic extraction on table OSMON,
the feild which i have included in are,
SERVER(Server name)
1,ADATE(Date of analysis)
2,CPUMAX(Max. CPU usage for 1 day (percent), av. value for 1 hour)
3,CPUAVG(Av. CPU usage in percent)
4,PAGEINMAX(Memory paged in (KB), maximum for 1 day, av. value 1 hour)
5,PAGINAVG(KB paged in, av. value for 1 day)
6,DRESPMAX(Max.disk response time (ms) for 1 day, av.value for 1 hour)
7,DRESPAVG(Av.disk response time (ms) for 1 day, av.value for 1 hour)
8,CPUUSRAVG(User CPU utilization in percent)
9,CPUSYSAVG(CPU system utilization in percent)
10,CPUIDEAVG(Idle CPU time in percent).
and I have to make it as delta,and for this have taken ADATE object for delta,
my question is am i right to take delta on Date object or should i go for another object and why.
as my requirement is to show in BW report how much USER are utilizing system.
Help me on this
Thanks & Regards,

Hi,
from 'how to generic delta' doc
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/84bf4d68-0601-0010-13b5-b062adbb3e33
Implementation of a Generic DS with Delta.
1.The system does not handle the delta mechanism by itself. You will have to implement it in your function module.
2. To enable delta, you will have to define a delta identifier.
3. Sure, the generic extractor on an infoset works correctly, if you had declared the timestamp as delta identifier.
The 3 options given there indicates the type of the field which indicates change. "material Number" is wron this field wont give you when the material changed. select changed at or some other field. and specify the field type is it a date field or time stamp.
Only 3 field types timestamp,date and Numeric Pointer can be used for delta.
You would choose a field which captures the time when the record was changed/inserted. That is what is referred to as time-stamp field.
The timestamp field is in format YYYYMMDDTHH:MM:SS(+/-)HH:MM

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Lenora,
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Hello Gurus.
I am working on Genaric Extraction,
I have a problme in Procurement,Our Procurement Datamodel is missing Expiry date of material for that we are doing genaric Ext.on table MCHA for this i have created one Infoobject on Feild CHARG(Batch NO.)are rest feild of table MCHA i have taken as attribute,I am consufed over Delta as this is going to load daily.Can you pleas advise me on wich feild of table MCHA i should take delat in Genaric Extraction.
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Hello mWm,
How r u ?
Here in this scenario, i could get that the data will be modified often. The Creation Data will not Change, I believe the following field will the better choice....
5,LAEDA Date of last modification
This will work for DELTA.
When a new record created what will be the value for this field ??? If it is creation data then without any problem you can use this field.
Best Regards....
Sankar Kumar
+91 98403 47141

Help in Genaric Datasource

Hello Gurus.
I am working on Genaric Extraction,
I have a problme in Procurement,Our Procurement Datamodel is missing Expiry date of material for that we are doing genaric Ext.on table MCHA for this i have created one Infoobject on Feild CHARG(Batch NO.)are rest feild of table MCHA i have taken as attribute,I am consufed over Delta as this is going to load daily.Can you pleas advise me on wich feild of table MCHA i should take delat in Genaric Extraction.
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I am thinking of taking delta on Batch Expiry Date (VFDAT)
Please suggest me this is correct or not or what should be taken for delta.
Thanks & Regard.

MWM,
As per me 5,LAEDA Date of last modification, we can create delta on this.Otherwise go ahead with AHP if your requirement not suits with LAEDA delta.
Thanks
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Hi,
Check what are the fields you are using for Delta Extraction.
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Hi...
1. how can I find the those delta requests because I need to delete all these failed requests first, am I right ? Master data is not like cube or ods that we can find the requests in Manage, for master data how can we find them ?
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Hi,
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Regards
Josef
Edited by: Josef L. on Mar 20, 2009 7:44 PM

hi venkat,
whenever you load a delta from ods to cube , whatever the data changed in ods since last delta will be updated, hence from you case, both req1 and req2 will be loaded to cube.
Assign Points if useful
Ramesh

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System Response
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Check the function module or the call from the extractor check program
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Delta in Genaric extractin

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