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2197751 - Various "long hostname/IP Address resolution time" problems in dev* trace

Symptom

The following messages are shown in the developer trace files (dev*) located in the instance's work directory (LocalDrive\usr\sap\<SID>\<Instance>\work):

NiHLGetHostName: to get XXX.XXX.XXX.XXX succeeded in 4805ms (tl=2000ms; UC)
NiHLGetHostName: to get XXX.XXX.XXX.XXX failed in 4508ms (tl=2000ms; UC)

NiHLGetNodeAddr: to get 'yourhostname' succeeded in 5002ms (tl=2000ms; UC)
NiHLGetNodeAddr: to get 'yourhostname' failed in 10002ms (tl=2000ms; UC)

In the above examples, 4805ms, 4508ms, 5002ms, and 10002ms are the time used for the hostname/IP address resolution (in milliseconds).


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Environment

  • 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

NiHLGetHostName, NiHLGetNodeAddr, hostname/IP address resolution, work directory, LocalDrive\usr\sap\<SID>\<Instance>\work, dev_disp, dev_rd, dev_w*, DNS, hosts file, RZ11, rdisp/reverse_name_lookup, gw/resolve_phys_addr, GwPrintMyHostAddr, HOSTNAME, GWY_CHANGE_PARAMETER, SE37, Uppercase/Lowercase, FORCE , KBA , BC-CST-NI , Network Interface , BC-CST , Client/Server Technology , Problem

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