SAP Note 112 - Trace and error information in the "dev_" files

Component : Client/Server Technology - Virtual Machine Container

Solution : https://service.sap.com/sap/support/notes/112 (SAP Service marketplace login required)

Summary :
This SAP Note identifies and proposes remediation for inadequate error diagnostics within the SAP system, where Syslog or short dumps fail to capture detailed error information, particularly stemming from C-kernel issues. It introduces the utilization of "rdisp/TRACE" profile variables, allowing adjustable trace levels for various SAP components to better analyze errors. Setting "rdispatch/TRACE" ranges from storing no information to fully tracing data blocks and specific system components, which assists in troubleshooting by providing more detailed error logs. Additionally, runtime changes to trace levels are supportable via signals in UNIX and command-line utilities in Windows, enhancing on-the-fly diagnostics.

Key words :
process                file------------------------------------dispatcher            dev_dispwork process          dev_w<number>message server          dev_ms<number>sapgui                dev_st< loginname> gateway                dev_rdgateway work processes dev_wp<number>rfc                    dev_rfc<number>icm                    dev_icmvmc                    vmc_w<number>, dev_w work process trace files dispatcher trace file dev_disp gateway trace file dev_rd icm trace file, securityp  pagingr  rollings  printingt  debug systemw  webguix  extended memoryy  dynp processorfor, log                      vmc_w<number>, dev_icm message server trace file, unix command cp /dev/null 'tracefilename', dispatcher/taskhandlera  abap processorb  database, /usr/sap/c11/dvebmgs00/work, work process traces, kill -usr2 <pid>kill -usr1 <pid>

Related Notes :

998221Trace levels changed inadvertently in work processes
647495RFC for Unicode ./. non-Unicode Connections
84850Increase trace level of work processes
16665Method for troubleshooting, trace level