3224503 - DSI Scheduler runs into memory control frequently - SRS 16.0

• These warnings would appear frequently in the active SRS in HADR setup, or in the DR SRS HADR setup with third node despite the fact that the configuration parameter 'memory_limit' is set to a very large value:
  
  WARNING #24070 dALARM( ) - generic/sqt/sqtint.c(9736)
                 SQT(114:0 site2.SID): A timeout has occurred while a large transaction ( '00020005dfe1' ? 'a800' .xxx '000000' l '00000000') was waiting for the next message to be read.
  Connection to server 'RDS2' as user 'SID_maint' has been faded out (closed).
  WARNING #7038 RSI USER(MYRS) - de/generic/mem/mem.c(2912)
  WARNING: Memory usage is above 80 percent. Increase 'memory_limit' or reduce cache sizes to avoid repserver threads from sleeping due to lack of memory.
  WARNING #7039 DSI EXEC(114(3) RDS2.db) - de/generic/mem/mem.c(2912)
  WARNING CANCEL: Memory usage is below 80 percent. 

• "admin who" outputs show that the affected thread is in memory controlling state:
   
  22 DSI       Controlling Mem     114 RDS2.db
  
  
• "admin stats,mem_detail_stats" outputs show the affected thread is DSIS:
  
  Object(State)  Memory_Consumed     Memory_Consumed_Mb  Max_Memory_Consumed_Mb   Avg_Memory_Consumed_Mb   Memory_Threshold_Mb Memory_Ctrl_Time(s)
  -------------- ------------------- ------------------- ------------------------ ------------------------ ------------------- -------------------
  omitted...
  DSIS (Ctrl)    11245474000         10724               13039                    10730                    3266                22659
  DSIE (Norm)    27215408            25                  1075                     40                       4410                0
  Total(Norm)    12199245766         11634               13339                    N/A                      16334               0
  
  
• There can be some large open transactions in the SQT cache around same time.

SAP Replication Server (SAP SRS) 16.0 SP04 PL01 

hang, CR826327, 826327, CR#826327, #5245, 5245,  Scheduler, stop, populating , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , Known Error