On 09.02.2014, Chris Murphy wrote:
> > - reduce swappiness: /etc/sysctl.conf
> > vm.swappiness=1
> > vm.vfs_cache_pressure=50
> I wouldn't do this. If swap is needed, then swap is needed.
While vfs_cache_pressure = 50 is the standard, swappiness set to 1
does not mean that the ker
On Feb 8, 2014, at 3:04 PM, Michael Cronenworth wrote:
> On 02/07/2014 06:54 PM, Chris Murphy wrote:
>> And here is a recent thread, just under one year old….
>>
>> https://lkml.org/lkml/2013/2/23/107
>>
>> Anyway, the fs developers have been speaking about it quite a bit and for a
>> long ti
On 02/07/2014 06:54 PM, Chris Murphy wrote:
And here is a recent thread, just under one year old….
https://lkml.org/lkml/2013/2/23/107
Anyway, the fs developers have been speaking about it quite a bit and for a
long time.
I guess I could have Google'd for this, but after reading over a few o
On Feb 7, 2014, at 5:44 PM, Chris Murphy wrote:
>
> On Feb 7, 2014, at 5:11 PM, Michael Cronenworth wrote:
>
>> On 02/07/2014 03:00 AM, sam tygier wrote:
>>>
>>> Ubuntu will be using a cronjob that calls fstrim, not the discard mount
>>> option.
>>> They found that the discard option cause
On Feb 7, 2014, at 5:11 PM, Michael Cronenworth wrote:
> On 02/07/2014 03:00 AM, sam tygier wrote:
>>
>> Ubuntu will be using a cronjob that calls fstrim, not the discard mount
>> option.
>> They found that the discard option cause a small performance hit.
>> https://blueprints.launchpad.net/u
On 02/07/2014 03:00 AM, sam tygier wrote:
Ubuntu will be using a cronjob that calls fstrim, not the discard mount option.
They found that the discard option cause a small performance hit.
https://blueprints.launchpad.net/ubuntu/+spec/core-1311-ssd-trimming
If you read the link you posted you w
On Feb 7, 2014, at 2:00 AM, sam tygier wrote:
> On 06/02/14 23:35, Chris Murphy wrote:
>> On Feb 6, 2014, at 7:43 AM, Wade Hampton wrote:
>>> - mount using discard (or use the fstrim program periodically)
>>
>> The discard/TRIM debate can be found in the archives and also on devel@
>> archive
On 06/02/14 23:35, Chris Murphy wrote:
On Feb 6, 2014, at 7:43 AM, Wade Hampton wrote:
- mount using discard (or use the fstrim program periodically)
The discard/TRIM debate can be found in the archives and also on devel@
archives, and on XFS archives. Not all SSDs perform that well with dis
On Feb 6, 2014, at 7:43 AM, Wade Hampton wrote:
> - partition on a 1M boundary
Has been this way by default for some time.
> - use native partitions, not LVM (for TRIM)
Well this wouldn't be a reason to not use LVM, I'd come up with something else,
like it's a PITA to do what it suggests is
On Thu, 2014-02-06 at 09:43 -0500, Wade Hampton wrote:
> - change I/O scheduler by adding "elevator=noop" to boot parms
>
No longer needed it seems.
> - reduce swappiness: /etc/sysctl.conf
> vm.swappiness=1
> vm.vfs_cache_pressure=50
>
Yes, I do this for my SSD. I put them into a fi
On Thu, Feb 06, 2014 at 09:43:40AM -0500, Wade Hampton wrote:
> Some of the recommendations I have found:
I know about some of these and not others without research, so I'll just
answer those parts.
> - use native partitions, not LVM (for TRIM)
TRIM should work on LVM now.
> - mount using relat
Is there a current best practices for use of solid state disks with
Fedora 20? I found an older doc for Fedora 14 and also the Red Hat 6
deployment guide, but both don't have a lot of details.
I have a laptop and am installing a 120G SSD. Also I plan on
updating an old CentOS server with a singl
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