Hello R D,
As I mentioned in my blog:
- For Usage = Listings, it is always recommended not to perform an initial download from R/3 to CRM multiple times which might cause performance issues. Rather, initial load should be carried once and then maintenance has to be shifted from R/3 to CRM.
SAP Note: 1591754 - Listings download from ECC to CRM, can be referred here.
What this means is that, for usage = G (Listings), only initial load is supported and no delta/request is supported. So, it is always recommended to perform an initial load of listing object once and then
shift the maintenance to CRM using R/3 table MNTCNT.
Listing delta upload, can be performed from CRM to R/3 once the maintenance has been shifted.
Sometimes it happens that customer perform initial load multiple times to bring down delta records added in R/3 to CRM (since delta/request is not supported). But this is not recommended since over a period of time data in PPR related tables(for listing items) grow significantly, resulting in bad
performance.
Best Regards,
Shanthala.