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2153900 - Network send-queue reached critical limit

Symptom

The Enqueue Replication Server's (ERS) developer trace file (dev_enrepsrv) is full of entries with critical limit of network send-queue as shown below:

[Thr 01] Network send-queue reached critical limit
[Thr 01] Network send-queue reached critical limit
[Thr 01] Network send-queue reached critical limit
[Thr 01] Network send-queue reached critical limit
[...]


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Environment

  • Standalone Enqueue Server (ENSA)
  • Enqueue Replication Server (ERS)
  • Operating system independent
  • Database independent
  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4HANA
  • ABAP Platform

Product

ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Application Server for SAP S/4HANA all versions

Keywords

lock, failover, ASCS, SCS, enqueue, ERS, ENSA, dev_enrepsrv, critical limit of network send-queue, Standalone Enqueue Server, Enqueue Replication Server, NI buffer, dev_enqwork, dev_enqio_X, dev_enqrepl , KBA , BC-CST-EQ , Enqueue , Problem

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