RE: RMAN question(s)
- From: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>
- To: <robertgfreeman@xxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 2 Oct 2007 16:04:20 -0700
Just an update on this - after running the compressed backups on this
database and another one for 3 weeks now, they are consistently running
much faster than before the compression - a little less than half the
time they used to take, and the size of the backups is consistently
reduced by about 87%. Pretty nice, thanks for the tip Robert!
Now to test the restores before I implement on my production database .
. .
-----Original Message-----
From: Allen, Brandon
In case anyone is interested - I did a test of the 10g "as compresssed"
backupset on a 285GB databases and here are the results:
W/O Compression: backup size = 280GB, backup time = 2 to 10 hours with
an average of about 7.5 hours over the past 3 months (this goes to a
disk staging area and later to tape on a Netbackup server with a LOT of
other backup activity so there is a wide variance in backup times
depending on what else is running at the same time)
W/ Compression: backup size = 36GB, backup time = 2.9 hours (only tested
once so far)
Environment: AIX 5.3, Oracle 10.2.0.2, Netbackup 5.1 MP4, BaanIV ERP
application data
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