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Full Discussion: Disable async IO at OS level
Operating Systems AIX Disable async IO at OS level Post 302965435 by -=XrAy=- on Friday 29th of January 2016 04:48:46 AM
Old 01-29-2016
Hi,

i would recomend to read the following tuning guides.
We used this guides to successfully optimize our database servers.

https://www-03.ibm.com/support/techd...Index/WP100883

https://www-950.ibm.com/events/wwe/g...uning_2013.pdf

Code:
Use of Asynchronous I/O is strongly advised for Oracle workloads

Regards

P.S. Starting with AIX 6.1 and Oracle 11.2.0.2, Oracle DB automaticly intend to use CIO -> fastpath AIO!
 

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Apache::Session::Oracle(3pm)				User Contributed Perl Documentation			      Apache::Session::Oracle(3pm)

NAME
Apache::Session::Oracle - An implementation of Apache::Session SYNOPSIS
use Apache::Session::Oracle; #if you want Apache::Session to open new DB handles: tie %hash, 'Apache::Session::Oracle', $id, { DataSource => 'dbi:Oracle:sessions', UserName => $db_user, Password => $db_pass, Commit => 1 }; #or, if your handles are already opened: tie %hash, 'Apache::Session::Oracle', $id, { Handle => $dbh, Commit => 1 }; DESCRIPTION
This module is an implementation of Apache::Session. It uses the Oracle backing store and no locking. See the example, and the documentation for Apache::Session::Store::Oracle for more details. USAGE
The special Apache::Session argument for this module is Commit. You MUST provide the Commit argument, which instructs this module to either commit the transaction when it is finished, or to simply do nothing. This feature is provided so that this module will not have adverse interactions with your local transaction policy, nor your local database handle caching policy. The argument is mandatory in order to make you think about this problem. This module also respects the LongReadLen argument, which specifies the maximum size of the session object. If not specified, the default maximum is 8 KB. AUTHOR
This module was written by Jeffrey William Baker <jwbaker@acm.org>. SEE ALSO
Apache::Session::File, Apache::Session::Flex, Apache::Session::DB_File, Apache::Session::Postgres, Apache::Session perl v5.10.1 2010-10-18 Apache::Session::Oracle(3pm)
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