In addition to the data cache and the converter, SAP liveCache databases also use a private OMS cache in the working memory during operation: the OMS heap. The OMS heap contains local copies of the OMS data and local application data.
Note
The OMS heap is only used by SAP liveCache databases.
Database Administration
Database Administration in CCMS
SAP Note 1128916 (MaxDB/liveCache Heap Management)