We are moving away from DB2 - to Oracle LoZ.
Gerard
-Original Message-
From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Barton
Robinson
Sent: Friday, July 30, 2010 2:57 PM
To: LINUX-390@vm.marist.edu
Subject: Re: DB2 direct i/o question
But, Oracle is VERY virtual
On Mon, 26 Jul 2010 10:17:51 -0500
Marcy Cortes wrote
After reading some more, it turns out you cannot do direct i/o on linux
for
z if you are using ECKD dasd, only FCP.
This is a DB2 limitiation which others, e.g. Oracle on zLinux, do not have.
Klaus Bergmann
Klaus wrote:
This is a DB2 limitiation which others, e.g. Oracle on zLinux, do not have.
Yes. What is up with that IBM? Does this make Oracle a better fit on Linux on
z than DB2?
Marcy
--
For LINUX-390 subscribe / signoff
On 7/30/2010 at 12:03 PM, Marcy Cortes marcy.d.cor...@wellsfargo.com
wrote:
Does this make Oracle a better fit on Linux on z than DB2?
That depends on how much you care about newer versions being certified sometime
within your life time.
Mark Post
Mark wrote:
That depends on how much you care about newer versions being certified
sometime within your life time.
Very good point. That's a concern too.
Marcy
--
For LINUX-390 subscribe / signoff / archive access
But, Oracle is VERY virtual friendly, and DB2 is VERY virtual HOSTILE.
From a system performance perspective, I REALLY LIKE Oracle.
Mark Post wrote:
On 7/30/2010 at 12:03 PM, Marcy Cortes marcy.d.cor...@wellsfargo.com wrote:
Does this make Oracle a better fit on Linux on z than DB2?
That
On Tue, Jul 27, 2010 at 2:24 AM, Shane G ibm-m...@tpg.com.au wrote:
Short answer, no.
On Tue, Jul 27th, 2010 at 1:17 AM, Marcy Cortes wrote:
Is there a way to limit the amount of memory used for page cache?
Longer answer: only by not giving Linux a lot of memory in the first
place... by
immediately by reply e-mail and delete this message. Thank you for
your cooperation.
-Original Message-
From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Rob van
der Heij
Sent: Saturday, July 24, 2010 1:58 AM
To: LINUX-390@vm.marist.edu
Subject: Re: [LINUX-390] DB2 direct i/o
Short answer, no.
This was discussed earlier in the year - see:
http://www.mail-archive.com/linux-390@vm.marist.edu/msg55911.html
Shane ...
On Tue, Jul 27th, 2010 at 1:17 AM, Marcy Cortes wrote:
Is there a way to limit the amount of memory used for page cache?
On Sat, Jul 24, 2010 at 4:28 AM, Shane G ibm-m...@tpg.com.au wrote:
Does this imply that the best setting for Linux on z is to use the FILE
SYSTEM CACHING (Direct i/o disabled)?
Now that DB2 can, that's probably a good motivation for doing
measurements... I have mixed feelings about their
From the DB2 9.5 doc
Prior to Version 9.5, the keyword FILE SYSTEM CACHING was implied if neither NO
FILE SYSTEM CACHING nor FILE SYSTEM CACHING was specified. With Version 9.5, if
neither keyword is specified, the default, NO FILE SYSTEM CACHING, is used.
This change affects only newly
On Sat, Jul 24th, 2010 at 10:20 AM, Marcy Cortes wrote:
Does this imply that the best setting for Linux on z is to use the FILE
SYSTEM CACHING (Direct i/o disabled)?
I won't presume to be able to answer that, but I will observe that Linus has
made some very harsh comments about database
12 matches
Mail list logo
