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Home -> Community -> Mailing Lists -> Oracle-L -> RE: # of datafiles per tablespace
If it were a data or an index tablespace, laying out a tablespace across multiple datafiles could help in striping data or partitioning. And as Kirti said, could be to balance the I/O across multiple disks.
Raj
"Deshpande, Kirti"
<kirti.deshpande_at_ve To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
rizon.com> cc:
Sent by: Subject: RE: # of datafiles per tablespace
root_at_fatcity.com
March 04, 2002
10:33 PM
Please respond to
ORACLE-L
Other than I/O load balancing.. I can't see any other reason.
But again, why those tiny 50MB files?
Are these on the same disk? I hope not..
If there is no I/O bottleneck issues, I would build just one 700MB file. And then monitor how it works out..
-----Original Message-----
Sent: Monday, March 04, 2002 7:23 PM
To: Multiple recipients of list ORACLE-L
OK, I know we had the debate already but lets have another go at it.
Say you got a tablespace, lets call it RBS and its for rollbacks.
Now, for what reason would you create a 500M file and 4 50M files
for this puppy as opposed to just one file. I just cannot see the
reasoning
for this at all. None. Natta. Zilch.
So educate me please if someone out there knows a legit reason they would do this.
Lets assume for the sake of argument that disk size and mount point size is not a limitation. Space available to me on any one mount point is unlimited.
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Author:
INET: Rajesh.Rao_at_jpmchase.com
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