cdmp_{timestamp} directories are created under BDUMP with trace files .trw

(Doc ID 1198873.1)

Last updated on SEPTEMBER 08, 2017

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.
Checked for relevance on 19 Jul 2012


We see in BDUMP location some folders generated with names like cdmp_<timestamp> (for example cdmp_20100817041604 ) that contain trace files with extension .trw .

The trace files are generated by both background and foreground processes.

An excerpt of a trace file is:

1 1020304 2 2048 704 72 0
Oracle Database 10g Enterprise Edition Release - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
ORACLE_HOME = <oracle_home>
System name: SunOS
Node name: <machine>
Release: 5.10
Version: Generic_137111-05
Machine: sun4v
Instance name: <instance>
Oracle process number: 142
Unix process pid: 2928, image: oracle@<machine>

46B5772C:AB798AD8 142 0 10280 1 kst: process state object created on 08-04 19:25:59.309
46B5772D:AB798AD9 142 0 10280 3 kst: process info: ospid=2928 pso_num=142 pso_serial#=19
46B57900:AB798ADA 142 0 10420 1 kso: new process: pid=2928 (legacy spawn)

Also, in alert.log we see messages like:

Tue Aug 17 04:16:04 2010
Trace dumping is performing id=[cdmp_20100817041604]


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