RE: Reading sequences is much slower in AIX 6.1 than Linux

  • From: "Chitale, Hemant Krishnarao" <Hemant.Chitale@xxxxxx>
  • To: "LS Cheng" <exriscer@xxxxxxxxx>
  • Date: Thu, 29 Sep 2011 14:34:08 +0800

 
Can you check to see if the cached values are being "lost" frequently
(i.e. the sequence is not pinned and is getting aged-out) ?

 

  
Hemant K Chitale 



 

From: LS Cheng [mailto:exriscer@xxxxxxxxx] 
Sent: Thursday, September 29, 2011 2:31 PM
To: Chitale, Hemant Krishnarao
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: Reading sequences is much slower in AIX 6.1 than Linux

 

ops forgot to mention that, cache size is 500000 and noorder

Thanks

On Thu, Sep 29, 2011 at 7:30 AM, Chitale, Hemant Krishnarao
<Hemant.Chitale@xxxxxx> wrote:

What are the CACHE_SIZE and ORDER_FLAG (sometimes used in RAC) for the
SEQUENCE_S1 sequence in the two environments ?

 
Hemant K Chitale


-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of LS Cheng
Sent: Thursday, September 29, 2011 1:17 PM
To: Oracle Mailinglist
Subject: Reading sequences is much slower in AIX 6.1 than Linux

Hi all
We have some batch processes which need to meet some SLA, the execution
time
should exceed certaint threshold of time. The processes are mainly
insert.... select sequence, ... from table.

...deleted......





 


This email and any attachments are confidential and may also be privileged.  If 
you are not the addressee, do not disclose, copy, circulate or in any other way 
use or rely on the information contained in this email or any attachments.  If 
received in error, notify the sender immediately and delete this email and any 
attachments from your system.  Emails cannot be guaranteed to be secure or 
error free as the message and any attachments could be intercepted, corrupted, 
lost, delayed, incomplete or amended.  Standard Chartered PLC and its 
subsidiaries do not accept liability for damage caused by this email or any 
attachments and may monitor email traffic.

Standard Chartered PLC is incorporated in England with limited liability under 
company number 966425 and has its registered office at 1 Aldermanbury Square, 
London, EC2V 7SB.

Standard Chartered Bank ("SCB") is incorporated in England with limited 
liability by Royal Charter 1853, under reference ZC18.  The Principal Office of 
SCB is situated in England at 1 Aldermanbury Square, London EC2V 7SB. In the 
United Kingdom, SCB is authorised and regulated by the Financial Services 
Authority under FSA register number 114276.

If you are receiving this email from SCB outside the UK, please click 
http://www.standardchartered.com/global/email_disclaimer.html to refer to the 
information on other jurisdictions.
--
//www.freelists.org/webpage/oracle-l


Other related posts: