Time taken in hotbackup suddenly increased - any ideas/suggestions anybody
Hello everybody,
I am doing hotbackup of the database via a script which runs through a cron job (on HP-UX 11.11). The database version is 9.2.0.5.0. The hotbackup was taking time of 8 minutes till this Friday when it jumped to 26 minutes (from 8 minutes).
I changed the time of running the job to 2 different times of the day in the weekend to see if that makes any difference but no luck. I have no clue why the backup suddenly is taking more than 3 times, the time it was taking before.
Any clues/suggestions. Please let me know if you need more information to explain the problem.
Regards,
BB.
All,
Thanks for your responses.
No major additions of the data in the database.
No new datafile or tablespaces has been added as I am the only person who does that. The size of the database is 21.5 GB.
The backup is going to a disk in SAN, where it was going before Friday (when it was taking 8 minutes).
It is a FULL backup (hot). As I said before, no majot data LOAD/UNLOAD activity recently.
PLEASE NOTE :It may be something to do with UNIX, but when I copied all the backed up files to other location on the same server, it took only 7 minutes to do that, thus I am confused.
Thanks everybody again for their responses.
Regards,
BB.
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I recently re-installed the OS on my machine, and switched over to bash. Ever since then every time I issue a command that contains a pipe, I am getting some extraneous lines before the result.
-- ---------+---------+---------+---------+---------+---------+---------+---------
[2007.14.05](09:56PM) -> [username] ~ $ curl http://checkip.dyndns.org/
<html><head><title>Current IP Check</title></head><body>Current IP Address: 45.xxx.46.204</body></html>
Comment : Need to get rid of everything except "45.xxx.46.204"
-- ---------+---------+---------+---------+---------+---------+---------+---------
[2007.14.05](11:03PM) -> [username] ~ $ curl http://checkip.dyndns.org/ | tr '' '\012' | grep '\.'
% Total % Received % Xferd Average Speed Time Time Time Current
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100 105 100 105 0 0 611 0 --:--:-- --:--:-- --:--:-- 0
45.xxx.46.204
Comment : OK. This returns the correct value but it inserted 3 additional lines prior to the result.
-- ---------+---------+---------+---------+---------+---------+---------+---------
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-- ---------+---------+---------+---------+---------+---------+---------+---------
[2007.14.05](09:57PM) -> [username] ~ $ curl http://checkip.dyndns.org/ | tr '<[:alpha:]:/>' ' ' | sed -e 's/ //g'
45.xxx.46.204
Comment : OK. But requires an extra step...
-- ---------+---------+---------+---------+---------+---------+---------+---------
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-- ---------+---------+---------+---------+---------+---------+---------+---------
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Current IP CheckCurrent IP Address: 45.xxx.46.204
Comment : This uses sed instead of tr, but I still have to get rid of "Current IP CheckCurrent IP Address: "
-- ---------+---------+---------+---------+---------+---------+---------+---------
[2007.14.05](11:22PM) -> [username] ~ $ curl http://checkip.dyndns.org/ | sed -e 's/<[^>]*>//g' -e 's/[a-zA-Z :\r\n]*//g'
45.xxx.46.204
Comment : OK. This returns the correct value but it inserted 3 additional lines.
-- ---------+---------+---------+---------+---------+---------+---------+---------
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Comment : This works fine, sends the correct result to a file.
-- ---------+---------+---------+---------+---------+---------+---------+---------
[2007.14.05](10:43PM) -> [username] ~ $ curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g'
45.xxx.46.204
Comment : OK. This appears to be the easiest way to do this...
-- ---------+---------+---------+---------+---------+---------+---------+---------
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Comment :
-- ---------+---------+---------+---------+---------+---------+---------+---------
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inet 192.168.1.102 netmask 0xffff0000 broadcast 192.168.255.255
inet 192.168.1.153 netmask 0xffffff00 broadcast 192.168.1.255
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-- ---------+---------+---------+---------+---------+---------+---------+---------
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192.168.1.153
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-- ---------+---------+---------+---------+---------+---------+---------+---------
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45.xxx.46.204
192.168.1.102
192.168.1.153
Comment : Here are the Public & Private Addresses
-- ---------+---------+---------+---------+---------+---------+---------+---------
[2007.14.05](11:50PM) -> [username] ~ $ \
curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' ; \
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45.xxx.46.204
192.168.1.102
192.168.1.153
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-- ---------+---------+---------+---------+---------+---------+---------+---------
[2007.15.05](12:08AM) -> [username] ~ $ \
curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' > ~/Desktop/IP_Address.txt ; \
ifconfig | grep broadcast | awk '{print $2 }' >> ~/Desktop/IP_Address.txt ; \
open ~/Desktop/IP_Address.txt ;
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-- ---------+---------+---------+---------+---------+---------+---------+---------
[2007.15.05](12:08AM) -> [username] ~ $ \
curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' \
~/Desktop/IP_Address.txt ; \
ifconfig | grep broadcast | awk '{print $2 }' \
~/Desktop/IP_Address.txt ; \
open ~/Desktop/IP_Address.txt ;
Comment : This is a slightly different way to view the commands
-- ---------+---------+---------+---------+---------+---------+---------+---------
#!/bin/bash
# ip.sh
testfile=/Applications/BBEdit.app/
if [ -d $testfile ] ;
then
# THE NEXT LINE GENERATES AN ERROR -> line 10: : command not found
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curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' > ~/Desktop/IP_Address.txt
ifconfig | grep broadcast | awk '{print $2 }' >> ~/Desktop/IP_Address.txt
if [ -d /Applications/BBEdit.app ]; then
open -a /Applications/BBEdit.app ~/Desktop/IP_Address.txt
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-- ---------+---------+---------+---------+---------+---------+---------+---------
-- ---------+---------+---------+---------+---------+---------+---------+---------
SUMMARY : [PUBLIC & PRIVATE ADDRESS]
-- ---------+---------+---------+---------+---------+---------+---------+---------
curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' ; ifconfig | grep broadcast | awk '{print $2 }'
-- ---------+---------+---------+---------+---------+---------+---------+---------
SUMMARY : [PUBLIC ADDRESS] THESE ALL WORK FINE
-- ---------+---------+---------+---------+---------+---------+---------+---------
curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g'
curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' > ~/Desktop/IP_Address.txt ; open ~/Desktop/IP_Address.txt ;
curl http://checkip.dyndns.org/ | sed -e 's/<[^>]*>//g' -e 's/[a-zA-Z :\r\n]*//g'
curl http://checkip.dyndns.org/ | sed -e 's/<[^>]*>//g' -e 's/[a-zA-Z :\r\n]*//g' > ~/Desktop/IP_Address.txt ; open ~/Desktop/IP_Address.txt ;
curl http://checkip.dyndns.org/ | tr '' '\n' | grep '\.'
curl http://checkip.dyndns.org/ | tr '' '\012' | grep '\.'
curl http://checkip.dyndns.org/ | tr '' '\012' | grep '\.' > ~/Desktop/IP_Address.txt ; open ~/Desktop/IP_Address.txt ;
curl http://checkip.dyndns.org/ | tr '<[:alpha:]:/>' ' ' | sed -e 's/ //g'
curl http://checkip.dyndns.org/ | tr '<[:alpha:]:/>' ' ' | sed -e 's/ //g' > ~/Desktop/IP_Address.txt ; open ~/Desktop/IP_Address.txt
-- ---------+---------+---------+---------+---------+---------+---------+---------
SUMMARY : [PRIVATE ADDRESS] THIS WORKS FINE
-- ---------+---------+---------+---------+---------+---------+---------+---------
ifconfig | grep broadcast | awk '{print $2 }'
-- ---------+---------+---------+---------+---------+---------+---------+---------
SUMMARY : [PUBLIC & PRIVATE ADDRESS] THESE WORK FINE
-- ---------+---------+---------+---------+---------+---------+---------+---------
curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' ; ifconfig | grep broadcast | awk '{print $2 }'
COPY CONTENT BETWEEN THE DASHED LINES AND PASTE IN THE TERMINAL
curl http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' \
~/Desktop/IP_Address.txt ; \
ifconfig | grep broadcast | awk '{print $2 }' \
~/Desktop/IP_Address.txt ; \
open ~/Desktop/IP_Address.txt ;
PROBLEM : I HAVE NO CLUE HOW TO GET RID OF THE THREE LINES:
They were displayed by the terminal everytime I used a pipe, but I removed them for the sake of clarity
Best Regards,
Bill Hernandez
Plano, TexasThank You Very Much for enlightening me to the "-s" flag, that solved the problem...
[2007.15.05](06:16PM) -> [username] ~ $ curl -s http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g'
45.xxx.46.204
( 1 ) Sure enough I was missing the "-s" flag, I kept thinking it was something to do with the pipes because if I just entered
[2007.15.05](06:21PM) -> [username] ~ $ curl http://checkip.dyndns.org
<html><head><title>Current IP Check</title></head><body>Current IP Address: 45.xxx.46.204</body></html>
( 2 ) It did not add the extra lines. They only appeared when I added a pipe. How bizarre...
( 3 ) Once I looked at the man pages the "-s" became more obvious. It is still odd...
[2007.15.05](06:21PM) -> [username] ~ $ man curl
-s/--silent
Silent mode. Don't show progress meter or error messages. Makes Curl mute.
If this option is used twice, the second will again disable mute.
THIS SOLVES THE PROBLEM :
[2007.15.05](06:21PM) -> [username] ~ $ \
curl -s http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' ; ifconfig | grep broadcast | awk '{print $2 }'
ANYWAY HERE'S THE FINAL SCRIPT...
-- ---------+---------+---------+---------+---------+---------+---------+---------
#!/bin/bash
# ScriptName : myip
# Author : Bill Hernandez
# Location : Plano, Texas
# Modified : Tuesday, May 15, 2007 (6:32 PM)
curl -s http://checkip.dyndns.org/ | sed -e 's/[^0-9\.]*//g' > ~/Desktop/IP_Address.txt
ifconfig | grep broadcast | awk '{print $2 }' >> ~/Desktop/IP_Address.txt
if [ -d /Applications/BBEdit.app ]; then
open -a /Applications/BBEdit.app ~/Desktop/IP_Address.txt
else
open ~/Desktop/IP_Address.txt
fi
-- ---------+---------+---------+---------+---------+---------+---------+---------
Best Regards,
Bill Hernandez
Plano, texas -
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