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kernel tuning for cloud VM

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  kernel tuning for cloud VM Jeff Peng <jeff@tls-mail.com> - 2024-06-09 02:00 +0200
    Re: kernel tuning for cloud VM jeremy ardley <jeremy.ardley@gmail.com> - 2024-06-09 04:00 +0200
    Re: kernel tuning for cloud VM <tomas@tuxteam.de> - 2024-06-09 07:00 +0200
      Re: kernel tuning for cloud VM Geert Stappers <stappers@stappers.nl> - 2024-06-09 09:40 +0200
    Re: kernel tuning for cloud VM Michael Kjörling <2695bd53d63c@ewoof.net> - 2024-06-09 12:40 +0200
      Re: kernel tuning for cloud VM Jeff Peng <jeff@tls-mail.com> - 2024-06-09 14:00 +0200

#270001 — kernel tuning for cloud VM

Hello

I am using the VMs from big providers such as AWS and Azure.
most of the VMs are 2core/4gb ram/100gb disk etc.
They are used for running the regular web services (java, php etc), with 
debian 11 installed.

Every VM I just use the default system configuration.
Do I need to update some kernel config for the VMs? such as 
socket_buffer, max_fd etc. what's the suggested options for this kind of 
VM?

Thanks.

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#270002

On 9/6/24 07:41, Jeff Peng wrote:
> Hello
>
> I am using the VMs from big providers such as AWS and Azure.
> most of the VMs are 2core/4gb ram/100gb disk etc.
> They are used for running the regular web services (java, php etc), 
> with debian 11 installed.
>
> Every VM I just use the default system configuration.
> Do I need to update some kernel config for the VMs? such as 
> socket_buffer, max_fd etc. what's the suggested options for this kind 
> of VM?
>
> Thanks.
>

If your applications work correctly and with acceptable response time 
then don't change anything.

Jeremy

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#270003

[Multipart message — attachments visible in raw view] — view raw

On Sun, Jun 09, 2024 at 07:41:58AM +0800, Jeff Peng wrote:
> Hello
> 
> I am using the VMs from big providers such as AWS and Azure.

I'd ask AWS/Azure support for that. They do knowi their infrastructure
best, we hope, and, after all, they are taking money for their service.

Cheers
-- 
t

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#270009

On Sun, Jun 09, 2024 at 06:58:21AM +0200, tomas@tuxteam.de wrote:
> On Sun, Jun 09, 2024 at 07:41:58AM +0800, Jeff Peng wrote:
> > Hello
> > 
> > I am using the VMs from big providers such as AWS and Azure.
> 
> I'd ask AWS/Azure support for that.

Yes, talking _with_ your vendor is the way to go.


> They do known their infrastructure best, we hope, and, after all,
> they are taking money for their service.


Text from https://cloud.debian.org/images/cloud/

  Debian Official Cloud Images

  In this page you can find the Debian cloud images provided by the Debian
  Cloud Team for some cloud providers. End users do not need to download
  these images, as they are usually provided by their cloud providers.



  How can I verify my download is correct and exactly what has been
  created by Debian?

  For the current official images (in the per-distribution directories),
  the safest method is to download the image and checksum files over TLS
  from cloud.debian.org or cdimage.debian.org. These names support DNSSEC,
  so a validating resolver can ensure that a client is connected to a
  Debian host. And TLS ensures that the data is not manipulated in flight.

  The legacy OpenStack images (in the OpenStack/ directory) provide
  checksums and signatures. See SHA512SUMS.sign, etc. For more information
  about the verification steps, read the verification guide

  If you're interested in contributing checksum signatures for the current
  images, please reach us on the list: debian-cloud at lists.debian.org.



  Other questions?

  Questions can be forwarded to the Debian Cloud Team: debian-cloud
  at lists.debian.org.



Text from me

  Invest in win-win-situations


Groeten
Geert Stappers
-- 
Silence is hard to parse

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#270010

On 9 Jun 2024 07:41 +0800, from jeff@tls-mail.com (Jeff Peng):
> debian 11 installed.

Keep in mind that Debian 11 will be out of oldstable in about a year,
with the release of 13/Trixie; and it will be out of security support
in a few weeks, with the transition to long-term support. Depending on
the complexity of your setup, you may want to start planning the
upgrade process. (I assume that there is some reason why you haven't
yet upgraded to Debian 12.)

-- 
Michael Kjörling                     🔗 https://michael.kjorling.se
“Remember when, on the Internet, nobody cared that you were a dog?”

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#270011

many java dev ecosystem (such as big data stacks) are in debian 11.
it's hard to upgrade to 12 at this time.

Thanks.

> Keep in mind that Debian 11 will be out of oldstable in about a year,
> with the release of 13/Trixie; and it will be out of security support
> in a few weeks, with the transition to long-term support. Depending on
> the complexity of your setup, you may want to start planning the
> upgrade process. (I assume that there is some reason why you haven't
> yet upgraded to Debian 12.)

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