Historical data in TDMaps tables can take up too much space. To clean up old data and regain space, periodically run TruncateHistorySP. For example:
call tdmaps.truncatehistorysp(date '2016-01-01', :numdeletedrows);
Result:
*** Procedure has been executed. *** Warning: 3212: The stored procedure returned one or more result sets. NumDeletedRows -------------- 35 *** ResultSet# 1 : 3 rows returned by "TDMAPS.TRUNCATEHISTORYSP". Table NumRowsDeleted -------------- -------------- ActionHistory 10 LogTbl 20 AnalyzeLogTbl 5