RE: How to store 50 Terabytes per day?
- From: "Goulet, Dick" <DGoulet@xxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 8 Sep 2004 14:31:08 -0400
To quote a no-name former employee, "if you run out of room in the data =
center for disk drives, go build another building."
Ya right!!!
Dick Goulet
Senior Oracle DBA
Oracle Certified 8i DBA
-----Original Message-----
From: MacGregor, Ian A. [mailto:ian@xxxxxxxxxxxxxxxxx]
Sent: Wednesday, September 08, 2004 12:43 PM
To: Jared.Still@xxxxxxxxxxx; oracle-l@xxxxxxxxxxxxx
Subject: RE: How to store 50 Terabytes per day?
Before replying please see:
http://www-search.slac.stanford.edu:8765/query.html?col=3D3Dslacweb&col=3D=
3Dt=3D
odays&col=3D3Dssrlweb&col=3D3Dslacpubs&col=3D3Dbabarweb&qt=3D3Dlsst&chars=
et=3D3Diso=3D
-8859-1&qc=3D3Dslacweb+todays+ssrlweb+slacpubs+babarweb
Then choose "LSST for SDSC". This is a powerpoint presentation about =
=3D
the project that contains some information on the computing =3D
requirements.
Problems with Oracle: What is the maximum number of partitions for a =
=3D
database? Will hierarchical file management systems does it work with? =
=3D
What if that system needs to be extende?. Is Oracle's one-cluster hence =
=3D
one-architecture technology right for the project? Does Oracle RAC tie =
=3D
you to a single vendor? Can RAC's communicate with other RAC's? Does =
=3D
anyone think this will be done using RAID10.
I'm not sure how much of the data will be online annd how much will be =
=3D
nearline storage. =3D20
Ian Macgregor
Stanford Linear Accelerator Center
ian@xxxxxxxxxxxxxxxxx =3D20
=3D20
=3D20
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx =3D
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of =3D
Jared.Still@xxxxxxxxxxx
Sent: Wednesday, September 08, 2004 9:08 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: How to store 50 Terabytes per day?
This quote appears in the following article:=3D20
http://www.computerworld.com/hardwaretopics/storage/story/0,10801,95694,0=
=3D
0.html?nas=3D3DDM-95694
" When it's in operation in 2011 at a site still to be determined, the =
=3D
telescope being built for the LSST project will collect data at a rate =
=3D
of about 6GB (equivalent to one DVD) per 10 seconds, generating many =3D
petabytes of data over time. One petabyte equals roughly 100 times the =
=3D
printed contents of the Library of Congress. The LSST project "pushes =
=3D
forward database technology dramatically," says Philip Pinto, a physics =
=3D
professor at Steward Observatory at the University of Arizona and a =3D
member of the LSST project's board of directors. "The LSST database will =
=3D
probably be the largest known nonproprietary database in the =
world."=3D20
So if you were faced with the task of storing 50 Terabytes per day, what =
=3D
kind of architecture would it require?
Do you think Oracle would hold up with a transaction rate of 600 =3D
Megabytes per second?
The architecture of such a beast could drive out some interesting =3D
developments for more general use.
Jared
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