Re: To Swap, or not to Swap

Oracle still calls for 16G swap regardless of how large the server memory is, and I have seen it used unexpectedly on occasion. SO yes, its a good idea to have a swap partition available.

On Thu, Mar 30, 2023 at 11:36 AM Clay Jackson <dmarc-noreply_at_freelists.org> wrote:

> Hey, Jared!
>
>
>
> My personal take is that there are still enough “ill-behaved” applications
> out there that having at least SOME swap allocated is a “defensive best
> practice”.
>
>
>
> Among other things, the consequences of NOT having it can be extreme.
>
>
>
> Maybe not the “old standard” 2x RAM; but at least some cushion that would
> allow someone monitoring the system (you DO monitor that, right) to find
> and fix issue before they become a “problem”.
>
>
>
> Clay Jackson
>
>
>
>
>
> *From:* oracle-l-bounce_at_freelists.org <oracle-l-bounce_at_freelists.org> *On
> Behalf Of *Jared Still
> *Sent:* Thursday, March 30, 2023 9:25 AM
> *To:* Oracle-L Freelists <oracle-l_at_freelists.org>
> *Subject:* To Swap, or not to Swap
>
>
>
> *CAUTION:* This email originated from outside of the organization. Do not
> follow guidance, click links, or open attachments unless you recognize the
> sender and know the content is safe.
>
>
>
> That is the question.
>
>
>
> I am curious about current thoughts on having or not having a swap
> partition on Linux based Oracle servers.
>
>
>
> Let's assume typical production standard servers with a reasonable amount
> of RAM, sway 256G or more.
>
>
>
> I have some thoughts on this myself, but would like to see others'
> thoughts on this.
>
>
>
>
>
> Jared Still
> Certifiable Oracle DBA and Part Time Perl Evangelist
>
> Principal Consultant at Pythian
>
> Oracle ACE Alumni
>
> Pythian Blog http://www.pythian.com/blog/author/still/
> <https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.pythian.com%2Fblog%2Fauthor%2Fstill%2F&data=05%7C01%7Cclay.jackson%40quest.com%7C250c544a0b96430f499208db313b61cd%7C91c369b51c9e439c989c1867ec606603%7C0%7C0%7C638157903370449294%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=m42SdJxJfHF0UwrVGWWNpbkomWnBLAGiaX7ERd13ZNk%3D&reserved=0>
>
> Github: https://github.com/jkstill
> <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fjkstill&data=05%7C01%7Cclay.jackson%40quest.com%7C250c544a0b96430f499208db313b61cd%7C91c369b51c9e439c989c1867ec606603%7C0%7C0%7C638157903370449294%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=p37KCRpodzzsJmSQHSPrEkB8sKnMEX1WxuCfmeQ8C8o%3D&reserved=0>
>
> Personality: http://www.personalitypage.com/INTJ.html
> <https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.personalitypage.com%2FINTJ.html&data=05%7C01%7Cclay.jackson%40quest.com%7C250c544a0b96430f499208db313b61cd%7C91c369b51c9e439c989c1867ec606603%7C0%7C0%7C638157903370449294%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=DbM4Z6IkgvFJca1jlYh2PmyMMKcH6Jko0976hnXeaR0%3D&reserved=0>
>
>

-- 
Andrew W. Kerber

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

--
http://www.freelists.org/webpage/oracle-l