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RE: Export direct=Y|N

From: Darrell Landrum <DLANDRUM_at_zalecorp.com>
Date: Thu, 22 May 2003 08:17:16 -0800
Message-ID: <F001.005A0066.20030522081716@fatcity.com>


In unix,
export NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1 then do your export.

>>> Brad.Odland_at_qtiworld.com 05/22/03 09:47AM >>> I was having some problems with character sets not five minutes ago while
using DIRECT=Y I was getting EXP-00041 so I used conventional. The Database
has a WE8ISO8859P1 and the export was wanting to be done in US7ASCII. Rather
than take the time to figure that out I just set it a conventional for now
and will tackle why these character sets are different later today....  

DIRECT=Y precludes the use of interactive mode exp...sometimes I am lazy
when I just want to quick dump a table before making some big table fixes or
rebuilds I use interactive mode.  

Metalink note:155477.1
Has a list of limitations with Direct. Good read actually...  

Are you compress the export on the fly...by making a thread? That is cool. I
have the command syntax around somewhere..it's not in my head right now...HA!here it is right where I used it last in the very directory I'm
in...  

(hp/ux) - variations depending on platform...  

autozip.sh filename user password tablename  

mknod /tmp/temp_pipe p
compress < /tmp/temp_pipe > "$1".Z &
exp "$2"/"$3" file=/tmp/temp_pipe <exp parameters> table="$4" rm /tmp/temp_pipe      

Brad O.

-----Original Message-----
Sent: Thursday, May 22, 2003 8:27 AM
To: Multiple recipients of list ORACLE-L

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 ...
  
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Darrell Landrum
  INET: DLANDRUM_at_zalecorp.com

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Received on Thu May 22 2003 - 11:17:16 CDT

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