3446560 - RSBCS_REORG for SOFFCONT1 doesn't reduce size of table on disk

You execute the report RSBCS_REORG to delete information from the table SOFFCONT1 as per 1634908 - Reduce the number of entries of table SOFFCONT1, and the number of entries has decreased, but the size of the table in disk looks to remain unchanged.

You have tried to perform a manual delta merge and data volume reclaim as per:

SQL1:
MERGE DELTA OF "SOFFCONT1" FORCE REBUILD;

SQL2: 
UPDATE "SOFFCONT1" WITH PARAMETERS ('OPTIMIZE_COMPRESSION' = 'FORCE');

SQL:
ALTER SYSTEM RECLAIM DATAVOLUME 120 DEFRAGMENT; 

but size of table looks to remain unchanged.

SAP HANA, platform edition

RSBCS_REORG, SOFFCONT1, LOB, FLOB, DELTA MERGE, COMPRESSION, RECLAIM, COLUMN TABLE, DATA ARCHIVING, MEMORY, SIZE , KBA , HAN-DB , SAP HANA Database , Problem