Omit the Open Hub control file 'S_*' for flat file extracts

Hi Folks,
a quick question is it somehow possible to omit the control file generation for flat file extracts.
We got some unix scripts running that get confused by the S_* files and we where wondering if we can switch the creation of those files off.
Thanks and best regards,
Axel

Hi,
However, the S_ (structure) file does not reflect the proper structure. The S_ file lists all fields sorted in alphabetical order based on the field name, instead of listing all fields in the correct order that they appear in the output file.
As I know and checked this is not the case. The S_ file has the fields in the order of infospoke object sequence ( and in transformation tab, source structure).
I would suggest you to control it again.
Derya

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hi,
I have tried with GoldenGate for Oracle/ non-Oracle databases. Now, I am trying for flat file.
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1. I have downloaded Oracle "GoldenGate Application Adapters 11.1.1.0.0 for JMS and Flat File Media Pack"
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Oracle GoldenGate Capture for Oracle
Version 11.1.1.1 OGGCORE_11.1.1_PLATFORMS_110421.2040
Windows (optimized), Oracle 11g on Apr 22 2011 03:28:23
Copyright (C) 1995, 2011, Oracle and/or its affiliates. All rights reserved.
Starting at 2011-11-07 18:24:19
Operating System Version:
Microsoft Windows XP Professional, on x86
Version 5.1 (Build 2600: Service Pack 2)
Process id: 4628
Description:
** Running with the following parameters **
extract ffe711
userid ggs@bidb, password ********
discardfile E:\GoldenGate11gMediaPack\V26071-01\dirrpt\EXTFF.dsc, purge
rmthost 10.180.182.77, mgrport 7816
rmtfile E:\GoldenGate11gMediaPack\V26071-01\dirdat\ffremote, purge, megabytes 5
CACHEMGR virtual memory values (may have been adjusted)
CACHEBUFFERSIZE: 64K
CACHESIZE: 1G
CACHEBUFFERSIZE (soft max): 4M
CACHEPAGEOUTSIZE (normal): 4M
PROCESS VM AVAIL FROM OS (min): 1.77G
CACHESIZEMAX (strict force to disk): 1.57G
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Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - Production
PL/SQL Release 11.1.0.7.0 - Production
CORE 11.1.0.7.0 Production
TNS for 32-bit Windows: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production
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NLS_LANG environment variable specified has invalid format, default value will b
e used.
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SCII.
NLS_LANGUAGE = "AMERICAN"
NLS_TERRITORY = "AMERICA"
NLS_CHARACTERSET = "AL32UTF8"
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ize 27985).
2011-11-07 18:24:25 INFO OGG-01052 No recovery is required for target file
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2011-11-07 18:24:25 INFO OGG-01478 Output file E:\GoldenGate11gMediaPack\V2
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5. on Flat file GGSCI prompt-->_*
edit params FFR711*
extract ffr711
CUSEREXIT E:\GoldenGate11gMediaPack\GGFlatFile\V22262-01\flatfilewriter.dll CUSEREXIT passthru includeupdatebefores, params "E:\GoldenGate11gMediaPack\GGFlatFile\V22262-01\sample-dirprm\ffwriter.properties"
SOURCEDEFS E:\GoldenGate11gMediaPack\V26071-01\dirdef\vikstkFF.def
table ggs.vikstk;
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start extract ffr711*
view report ffr711*
Oracle GoldenGate Capture
Version 11.1.1.0.0 Build 078
Windows (optimized), Generic on Jul 28 2010 19:05:07
Copyright (C) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
Starting at 2011-11-07 18:21:31
Operating System Version:
Microsoft Windows XP Professional, on x86
Version 5.1 (Build 2600: Service Pack 2)
Process id: 5008
Description:
** Running with the following parameters **
extract ffr711
CUSEREXIT E:\GoldenGate11gMediaPack\GGFlatFile\V22262-01\flatfilewriter.dll CUSE
REXIT passthru includeupdatebefores, params "E:\GoldenGate11gMediaPack\GGFlatFil
e\V22262-01\sample-dirprm\ffwriter.properties"
E:\GoldenGate11gMediaPack\GGFlatFile\V22262-01\ggs_Windows_x86_Generic_32bit_v11
_1_1_0_0_078\extract.exe running with user exit library E:\GoldenGate11gMediaPac
k\GGFlatFile\V22262-01\flatfilewriter.dll, compatiblity level (2) is current.
SOURCEDEFS E:\GoldenGate11gMediaPack\V26071-01\dirdef\vikstkFF.def
table ggs.vikstk;
CACHEMGR virtual memory values (may have been adjusted)
CACHEBUFFERSIZE: 64K
CACHESIZE: 1G
CACHEBUFFERSIZE (soft max): 4M
CACHEPAGEOUTSIZE (normal): 4M
PROCESS VM AVAIL FROM OS (min): 1.87G
CACHESIZEMAX (strict force to disk): 1.64G
Started Oracle GoldenGate for Flat File
Version 11.1.1.0.0
** Run Time Messages **
Problem I am facing_
I am not sure where to find the generated flat file,
even the reports are showing there is no data at manager process
I am expecting replicat instead of extract at Flatfile FFR711.prm
I have done this much what to do give me some pointers.....
Thanks,
Vikas

Ok, I haven't run your example, but here are some suggestions.
Vikas Panwar wrote:
extract ffe711
userid ggs@bidb, password ggs12345
discardfile E:\GoldenGate11gMediaPack\V26071-01\dirrpt\EXTFF.dsc, purge
rmthost 10.180.182.77, mgrport 7816
rmtfile E:\GoldenGate11gMediaPack\V26071-01\dirdat\ffremote, purge, megabytes 5
ggsci> add extract FFE711, EXTTRAILSOURCE ./dirdat/oo
ggsci> add rmttrail ./dirdat/pp, extract FFE711, megabytes 20
ggsci> start extract FFE711
You of course need data captured from somewhere to test with. You could capture changes directly from a database and write those to a trail, and use that as a source for the flat-file writer; or, if you have existing trail data, you can just use that (I often test with old trails, with known data).
In your example, you are using a data pump that is doing nothing more than pumping trails to a remote host. That's fine, if that's what you want to do. (It's actually quite common in real implementations.) But if you want to actually capture changes from the database, then change "add extract ... extTrailSource" to be "add extract ... tranlog". I'll assume you want to use the simple data pump to send trail data to the remote host. And I will assume that some other database capture process is creating the trail dirdat/oo
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Also, <ul>
<li> don't forget your "table" statements... or else no data will be processed!! You can wildcard tables, but not schemata.
<li> there is no reason that anything would be discarded in a pump.
<li> although a matter of choice, I don't see why people use absolute paths for reports and discard files. Full paths to data and def files make sense if they are on the SAN/NAS, but then I'd use symlinks from dirdat to the storage directory (on Unix/Linux)
<li> both windows and unix can use forward "/" slashes. Makes examples platform-independent (another reason for relative paths)
<li> your trails really should be much larger than 5MB for better performance (e.g,. 100MB)
<li> you probably should use a source-defs file, intead of a dblogin for metadata. Trail data is by its very nature historical, and using "userid...password" in the prm file inherently gets metadata from "right now". The file-writer doesn't handle DDL changes automatically.
</ul>
So you should have something more like:
Vikas Panwar wrote:
extract ffe711
sourcedefs dirdef/vikstkFF.def
rmthost 10.180.182.77, mgrport 7816
rmttrail dirdat/ff, purge, megabytes 100
table myschema.*;
table myschema2.*;
table ggs.*;For the file-writer pump:
+5. on Flat file GGSCI prompt+
extract ffr711
CUSEREXIT flatfilewriter.dll CUSEREXIT passthru includeupdatebefores, params dirprm\ffwriter.properties
SOURCEDEFS dirdef/vikstkFF.def
table myschema.*;
table ggs.*;
ggsci> add extract ffr711, exttrailsource ./dirdat/pp
ggsci> start extract ffr711
Again, use relative paths when possible (the flatfilewriter.dll is expected to be found in the GG install directory). Put the ffwriter.properties file into dirprm, just as a best-practice. In this file, ffwriter.properties, is where you define your output directory and output files. Again, make sure you have a "table" statement in there for each schema in your trails.
Problem I am facing_
I am not sure where to find the generated flat file,
even the reports are showing there is no data at manager process
I am expecting replicat instead of extract at Flatfile FFR711.prm
I have done this much what to do give me some pointers.....The generated files are defined in the ffwriter.properties file. Search for "rootdir" property, e.g.,
goldengate.flatfilewriter.writers=csvwriter
csvwriter.files.formatstring=output_%d_%010n
csvwriter.files.data.rootdir=dirout
csvwriter.files.control.ext=_data.control
csvwriter.files.control.rootdir=dirout
...The main problem you have is: (1) use rmttrail, not rmtfile, and (2) don't forget the "table" statement, even in a pump.
Also, for the flat-file adapter, it does run in just a "extract" data pump; no "replicat" is ever used. The replicats inherently are tied to a target database; the file-writer doesn't have any database functionality.
Hope it helps,
-m

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