RE: Export taking to long

I am just throwing these quickly ...

how large are your rollback segments? Consistent=y means Oracle has to remember every data block that existed at the time your export began.

I haven't seen recordlength= before, is this the equivalent of the older "buffer=" parameter? Here I often set buffer= to 1000000, we have enough memory on our server to handle it and I don't have to worry too much about record lengths.

This is probably silly too --> your server is not paging, I hope.

Regards,
Patrice Boivin
Systems Analyst (Oracle Certified DBA)

Systems Admin & Operations | Admin. et Exploit. des systèmes
Technology Services        | Services technologiques
Informatics Branch         | Direction de l'informatique 
Maritimes Region, DFO      | Région des Maritimes, MPO

E-Mail: boivinp_at_mar.dfo-mpo.gc.ca

 -----Original Message-----

Sent:	Tuesday, April 09, 2002 11:28 AM
To:	Multiple recipients of list ORACLE-L
Subject:	Export taking to long

I have an export of a 16G database that is consistently taking 6 hours to export.
It doesn't matter what time of the day or night the script is executed. There is
very little activity on the server. Any ideas?

#!/bin/ksh

export ORACLE_SID=adprod
export ORACLE_HOME=`grep $ORACLE_SID /etc/oratab | cut -d : -f2` PATH=$PATH:$ORACLE_HOME/bin:/usr/local/bin:. export USERPASS=system/sysada2
#
# Create a new pipe each time
#

if [ -p exp_pipe_$ORACLE_SID ]

        then rm exp_pipe_$ORACLE_SID
fi
mknod exp_pipe_$ORACLE_SID p

OUTFILE="/oracle_dba/expimp/adprod/adprod_exp_full_`date '+%m%d%y'`.dmp.Z" LOGFILE="/oracle_dba/expimp/adprod/adprod_exp_full_`date '+%m%d%y'`.log"
#
# Begin compress job and export to pipe with userid and password hidden
#

compress < /oracle_dba/expimp/adprod/exp_pipe_adprod > $OUTFILE & exp $USERPASS full=y compress=n consistent=y recordlength=65535 direct=y file=/oracle_dba/expimp/adprod/exp_pipe_adprod log= $LOGFILE Ron Smith
DBA
Kerr-McGee Corp

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Author: Boivin, Patrice J
  INET: BoivinP_at_mar.dfo-mpo.gc.ca

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