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: [EMAIL PROTECTED]
-----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
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