How To Get A Strace Of The Data Pump dm And dw Process(es)
(Doc ID 1411563.1)
Last updated on FEBRUARY 15, 2012
Applies to:Oracle Server - Enterprise Edition - Version: 10.1.0.2
Information in this document applies to any platform.
This may be required to be done in certain circumstances when need to trace OS level calls from these processes.
Since data pump is run from the server side and work is done by dw process and coordinated by dm process cannot start strace with the client expdp.
You will want to start this on a database that spawns minimal new connections because will be attaching to the Process SPawner (psp) process to capture any children that are spawned.
This will include the dm and dw processes that are spawned from the database for a data pump job as well as any other processes under that database sid.
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