Re: HugePages

From: Andrew Kerber <andrew.kerber_at_gmail.com>
Date: Tue, 22 Jul 2014 08:29:28 -0500
Message-ID: <CAJvnOJa4yuKFPGnUrp5Urp0LCgvnkYsMwPJ+4DcfajzoqVPLiA_at_mail.gmail.com>



Here is some additional information.
http://dbakerber.wordpress.com/2013/06/28/update-on-hugepages-post/

Depending on linux version, remember to disable transparent hugepages.

On Tue, Jul 22, 2014 at 8:27 AM, Andrew Kerber <andrew.kerber_at_gmail.com> wrote:

> My blog entry from some months back:
> http://dbakerber.wordpress.com/2012/03/14/configuring-hugepages-for-oracle-on-linux/
>
>
> On Tue, Jul 22, 2014 at 8:12 AM, Harmandeep Singh <singh.bedi_at_gmail.com>
> wrote:
>
>> HugePages on Oracle Linux 64-bit [ID 361468.1]
>>
>>
>> http://www.pythian.com/blog/performance-tuning-hugepages-in-linux/
>>
>>
>> These links are great pointers
>>
>>
>> Regards,
>>
>> Harman
>>
>>
>>
>>
>> On Tue, Jul 22, 2014 at 6:37 PM, April Sims <aprilcsims_at_gmail.com> wrote:
>>
>>> Anyone have some insight, knowledge, experience or best practices about
>>> huge pages in Linux?
>>>
>>> We have new hardware: 64-bit , 32GB Memory , Linux 6, Oracle 11.2.0.3,
>>> OS-encrypted filesystem, Native Network Encryption, 2 physical and logical
>>> standbys in this configuration.
>>> ERP system, lots of dedicated connections.
>>>
>>> We need to implement this quickly as the hardware is on site.
>>> My understanding is that we are a good candidate for this type of
>>> configuration and just don't want to make a major mistake along the way due
>>> to inexperience. Lots of blog posts out there but the ones I have seen are
>>> several years old.
>>>
>>> Current SGA is 8GB for a single database due to migrated to the new
>>> hardware along with a couple of smaller databases......we do see occasional
>>> CPU spikes on the current hardware but that is the only issue on the older
>>> system without huge pages.
>>>
>>>
>>> --
>>> April C. Sims
>>> IOUG SELECT Journal Editor
>>> http://aprilcsims.wordpress.com
>>> Twitter, LinkedIn
>>> Oracle Database 11g – Underground Advice for Database Administrators
>>>
>>> <http://www.amazon.com/Oracle-Database-Underground-Advice-Administrators/dp/1849680000/ref=sr_1_1?ie=UTF8&s=books&qid=1272289339&sr=8-1#noop>
>>> https://www.packtpub.com/oracle-11g-database-implementations-guide/book
>>> OCP 8i, 9i, 10g, 11g DBA
>>> Southern Utah University
>>> aprilcsims_at_gmail.com
>>>
>>
>>
>
>
> --
> Andrew W. Kerber
>
> 'If at first you dont succeed, dont take up skydiving.'
>

-- 
Andrew W. Kerber

'If at first you dont succeed, dont take up skydiving.'

--
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Received on Tue Jul 22 2014 - 15:29:28 CEST

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