SAP Knowledge Base Article - Preview

3108574 - ABAP work processes occupied by "Sequential Read of DB" on a HANA Database

Symptom

  • A high number of dialog work processes on an ABAP Netweaver system are observed in a long running/hanging "Sequential Read of DB" or "READSEQ" action state.
  • Tcodes SM50 & SM66 Overview show the following symptoms :



                   



                  




  • Variations like "READSEQ" may be observed under the 'Action' column

                   


Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental. 




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Environment

  • SAP HANA PLATFORM EDITION 1.0
  • SAP HANA PLATFORM EDITION 2.0
  • SAP Netweaver AS ABAP

Product

ABAP platform all versions ; SAP HANA 1.0, platform edition ; SAP HANA, platform edition 2.0

Keywords

Dispatcher Stopped, disp+work, Dispatcher, YELLOW, Dispatcher Yellow Dialog queue full, high dialog usage, READSEQ,  R3trans failing with 0012, R3trans is giving an return code 0012, dialog work process are getting full, , KBA , HAN-DB-ENG , SAP HANA DB Engines , SV-PERF , Performance Problems , HAN-DB-PERF , SAP HANA Database Performance , Problem

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