View the ogg target server process.
[Oracle @ hosta ggs] $ ps-ef | grep serverroot 2945 1 0? 00:00:00/usr/bin/hidd -- serverroot 3342 1 0? 00:00:00/usr/libexec/gam_serveroracle 15624 3382 0 00:00:00 pts/1 grep server [oracle @ hosta ggs] $ [oracle @ hosta ggs] $ [oracle @ hosta ggs] $ [oracle @ hosta ggs] $ ggsciOracle GoldenGate Command Interpreter for OracleVersion 11.2.1.0.27 19591627 OGGCORE_11.2.1.0.0OGGBP_PLATFORMS_141006.1156_FBOLinux, x64, 64bit (optimized), Oracle 11g on Oct 6 2014 16: 45: 49 Copyright (C) 1995,201 4, Oracle and/or its Affiliates. all rights reserved. GGSCI (hosta) 1> info allProgram Status Group Lag at Chkpt Time Since ChkptMANAGER stopped replicat abended repfull 00:00:00 448: 53: 00 GGSCI (hosta) 2> start mgrManager started. GGSCI (hosta) 3> info allProgram Status Group Lag at Chkpt Time Since ChkptMANAGER running replicat abended repfull 00:00:00 448: 53: 04 GGSCI (hosta) 4> info allProgram Status Group Lag at Chk Pt Time Since ChkptMANAGER running replicat abended repfull 00:00:00 448: 53: 11 GGSCI (hosta) 5> exit [oracle @ hosta ggs] $ ps-ef | grep serverroot 2945 1 0? 00:00:00/usr/bin/hidd -- serverroot 3342 1 0? 00:00:00/usr/libexec/gam_serveroracle 16821 16543 2? 00:00:00./server-w 300-p 7819-12818-m 7809-k-l/u02/ggs/ggserr. log -----> pay attention to this line! Oracle 17614 3382 0 00:00:00 pts/1 grep server [oracle @ hosta ggs] $
Conclusion: The process is started when the target mgr is started. This process is used to receive the trail files transmitted by the source dp process and write them to the specified location of the file system of the target operating system.