3797050 - Memory allocation failed during hash repartitioning with errors in split_threads parameter

• Memory allocation issue during table repartitioning for table  in a production system.
• Attempt to increase partition count from 4 to 16 using hash partitioning on a key column.
• Indexserver Traces:
  

  XXX 2026-07-12 05:39:25.227022 i SQLSessionCmd     Statement.cc(06628) : INI configuration is changed by XXX, client ip=XXX, client port=XXX, query=alter system alter configuration ('indexserver.ini','DATABASE') set ('partitioning','split_threads') = '16' with reconfigure

  XXX 2026-07-12 05:40:58.319371 i SQLSessionCmd     Statement.cc(06628) : INI configuration is changed by XXX, client ip=XXX, client port=XXX, query=alter system alter configuration ('indexserver.ini','DATABASE') set ('partitioning','bulk_load_threads') = '8' with reconfigure

  XXX 2026-07-12 05:49:03.962831 e Memory          mmReportMemoryProblems.cpp(02080) :   16: 0x00007fde16c12882 in TRexAPI::Partitioning::deprecated::SplitHandler::determineParts(TrexBase::IndexName const&, TRexUtils::BitVector const&, ltt_adp::vector<unsigned int, ltt::integral_constant<bool, true> >&, ltt_adp::vector<int, ltt::integral_constant<bool, true> >&, ltt_adp::vector<int, ltt::integral_constant<bool, true> >&, TRexAPI::Partitioning::deprecated::ConsistencyCheck&)+0x260 at ims_search_api/Partitioning/Split.cpp:5010 (libhdbcsapi.so)

SAP Hana Platform Edition 2.0

hana, repartitioning, hash partitioning, split/merge, memory allocation failed, error 2593, error 2009, statement_memory_limit, split_threads, hdbindexserver, composite limit, split main, alter table partition, column store , KBA , HAN-DB-ENG , SAP HANA DB Engines , HAN-DB , SAP HANA Database , Problem