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Re: Export direct=Y|N

From: Indy Johal <Indy_Johal_at_prnewswire.com>
Date: Thu, 22 May 2003 06:58:12 -0800
Message-ID: <F001.0059FD98.20030522065812@fatcity.com>


Yes it is of couse better but had some restriction and you can easily check it in Oracle utilities manual or use the following link http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96652/ch09.htm#1008816

Indy Johal

"Wiegand, Kurt" <Kurt.Wiegand_at_CWUSA.COM> Sent by: root_at_fatcity.com
05/22/03 09:26 AM
Please respond to ORACLE-L  

        To:     Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
        cc: 
        Subject:        Export direct=Y|N


I ran across an export that was taking 9 1/2 to 10 hours to complete (the resulting dmp
file was about 7GB compressed). I added DIRECT=Y and it now takes 3 1/2 hours. My
question is: What are the reasons that someone would choose not to use DIRECT=Y?
This is an 8.1.5.0.0 database running on a Solaris box; I would hate to have just removed a
work around for some 8.1.5.0.0 bug! I have found comments in some scripts here, but
they all seem to be in my handwriting!! Kurt kurt.wiegand_at_cwusa.com

A ran a diff on the log files after the change. Here is the beginning (just what I expected).....
23c23,24
< . about to export SYSTEM's tables via Conventional Path ... ---
> . about to export SYSTEM's tables via Direct Path ...
> EXP-00067: Table DEF$_AQCALL will be exported in conventional path.
24a26
> EXP-00067: Table DEF$_AQERROR will be exported in conventional path.
29a32
> EXP-00067: Table DEF$_LOB will be exported in conventional path.
33a37
> EXP-00067: Table DEF$_TEMP$LOB will be exported in conventional path.
127c131
< . about to export OUTLN's tables via Conventional Path ... ---
> . about to export OUTLN's tables via Direct Path ...
130,136c134,140

< . about to export DBSNMP's tables via Conventional Path ... 
< . about to export OPS$ORACLE's tables via Conventional Path ... 
< . about to export CW30_AUDITOR97's tables via Conventional Path ... 
< . about to export CW30_LAC_MANUAL's tables via Conventional Path ... 
< . about to export DISPUTES2's tables via Conventional Path ... 
< . about to export DISPUTES3's tables via Conventional Path ... 
< . about to export BANK's tables via Conventional Path ... 
---
> . about to export DBSNMP's tables via Direct Path ...
> . about to export OPS$ORACLE's tables via Direct Path ...
> . about to export CW30_AUDITOR97's tables via Direct Path ...
> . about to export CW30_LAC_MANUAL's tables via Direct Path ...
> . about to export DISPUTES2's tables via Direct Path ...
> . about to export DISPUTES3's tables via Direct Path ...
> . about to export BANK's tables via Direct Path ...
  
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Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Indy Johal
  INET: Indy_Johal_at_prnewswire.com

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Received on Thu May 22 2003 - 09:58:12 CDT

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