On Fri, Apr 04, 2014 at 04:09:06PM +0100, Hugo Mills wrote:
- Generally speaking, does LZO compression improve or degrade performance ?
I'm not able to figure it out clearly.
Yes, it improves or degrades performance. :)
It'll depend entirely on what you're doing with it. If you're
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Marc MERLIN schreef op 12-04-14 15:17:
On Fri, Apr 04, 2014 at 04:09:06PM +0100, Hugo Mills wrote:
- Generally speaking, does LZO compression improve or degrade
performance ? I'm not able to figure it out clearly.
Yes, it improves or degrades
On Mon, 7 Apr 2014 11:11:11 AM Austin S Hemmelgarn wrote:
This is because every other filesystem (except ZFS) doesn't use COW
semantics.
There is an interesting article on LWN at the moment (subscriber only for the
next day or two, but if you can afford it I'd suggest considering subscribing)
On Fri, 4 Apr 2014 10:02:27 AM Swâmi Petaramesh wrote:
However I'm still concerned with chronic BTRFS dreadful performance and
still find that BRTFS degrades much over time even with periodic defrag
and best practices etc.
That's odd, I've been running it on laptops with SSDs since 2009 and
Hi,
This is because every other filesystem (except ZFS) doesn't use COW
semantics.
Nilfs2 also is COW based.
Regards, Clemens
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On 2014-04-08 07:56, Clemens Eisserer wrote:
Hi,
This is because every other filesystem (except ZFS) doesn't use COW
semantics.
Nilfs2 also is COW based.
Regards, Clemens
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On Fri, 04 Apr 2014 08:33:10 -0400
Austin S Hemmelgarn ahferro...@gmail.com wrote:
On 2014-04-04 04:02, Swâmi Petaramesh wrote:
- Is it still recommended to mkfs with a nodesize or leafsize
different (bigger) than the default ? I wouldn't like to lose too
much disk space anyway (1/2
On 2014-04-05 07:10, Swâmi Petaramesh wrote:
Le samedi 5 avril 2014 10:12:17 Duncan wrote [excellent performance advice
about disabling Akonadi in BTRFS etc]:
Thanks Duncan for all this excellent discussion.
However I'm still rather puzzled with a filesystem for which advice is if
you
Hi people :-)
Le samedi 5 avril 2014 15:13:40 Hugo Mills a écrit :
- I'm not aware, particularly, of any major differences between
noatime and relatime in performance on btrfs. (But I may be wrong
there).
It's especially noticeable at first boot in a given day, as relatime will
have
Hi,
[not cc´ing you as you didn´t cc anyone and I think you do not like to be CC
´d, note that usual on kernel related mailing lists this is a convention, so I
may miss it at some time. not restoring other cc´s as I am lazy right now]
Am Samstag, 5. April 2014, 15:06:26 schrieb Duncan:
Garry
Swâmi Petaramesh posted on Sat, 05 Apr 2014 00:35:08 +0200 as excerpted:
[Multiple machines, multiple distros, all going slow over time, the
common thread being btrfs on all.]
All those machines do mainly boring office tasks, email, web surf,
word processing, spreadsheets. No databases except
Le samedi 5 avril 2014 10:12:17 Duncan wrote [excellent performance advice
about disabling Akonadi in BTRFS etc]:
Thanks Duncan for all this excellent discussion.
However I'm still rather puzzled with a filesystem for which advice is if you
want tolerable performance, you have to turn off
Swâmi Petaramesh posted on Sat, 05 Apr 2014 13:10:13 +0200 as excerpted:
Le samedi 5 avril 2014 10:12:17 Duncan wrote [excellent performance
advice about disabling Akonadi in BTRFS etc]:
Thanks Duncan for all this excellent discussion.
However I'm still rather puzzled with a filesystem
On Sat, Apr 05, 2014 at 01:10:13PM +0200, Swâmi Petaramesh wrote:
Le samedi 5 avril 2014 10:12:17 Duncan wrote [excellent performance advice
about disabling Akonadi in BTRFS etc]:
Thanks Duncan for all this excellent discussion.
However I'm still rather puzzled with a filesystem for which
On 4-4-14 10:02:27 Swâmi Petaramesh wrote:
However I'm still concerned with chronic BTRFS dreadful performance
and still find that BRTFS degrades much over time even with periodic
defrag and best practices etc.
Yeah, I have experienced this, too. I can't say what your experience
was, but mine
Garry T. Williams posted on Sat, 05 Apr 2014 10:26:06 -0400 as excerpted:
I no longer see the slow degradation over time because I made the
following directories recursively nodatacow:
.local/share/akonadi
...snip...
OK, we now have a second link to akonadi (and browsers) and slowness,
On 2014-04-04 04:02, Swâmi Petaramesh wrote:
Hi,
I'm going to receive a new small laptop with a 500 GB 5400 RPM mechanical
ole' rust HD, and I plan ton install BTRFS on it.
It will have a kernel 3.13 for now, until 3.14 gets released.
However I'm still concerned with chronic BTRFS
Le vendredi 4 avril 2014 08:33:10 Austin S Hemmelgarn a écrit :
However I'm still concerned with chronic BTRFS dreadful performance and
still find that BRTFS degrades much over time even with periodic defrag
and best practices etc.
I keep hearing this from people, but i personally don't
On Fri, Apr 04, 2014 at 10:02:27AM +0200, Swâmi Petaramesh wrote:
Hi,
I'm going to receive a new small laptop with a 500 GB 5400 RPM mechanical
ole' rust HD, and I plan ton install BTRFS on it.
It will have a kernel 3.13 for now, until 3.14 gets released.
However I'm still concerned
On 2014-04-04 08:48, Swâmi Petaramesh wrote:
Le vendredi 4 avril 2014 08:33:10 Austin S Hemmelgarn a écrit :
However I'm still concerned with chronic BTRFS dreadful performance and
still find that BRTFS degrades much over time even with periodic defrag
and best practices etc.
I keep hearing
Austin S Hemmelgarn posted on Fri, 04 Apr 2014 08:33:10 -0400 as
excerpted:
On 2014-04-04 04:02, Swâmi Petaramesh wrote:
Hi,
I'm going to receive a new small laptop with a 500 GB 5400 RPM
mechanical ole' rust HD, and I plan ton install BTRFS on it.
Reminds me of my query to the list, some
Le vendredi 4 avril 2014 16:09:06 Hugo Mills a écrit :
We don't have lots of reports of massive slowdowns
after a long period of use, so whatever you're doing, there seems to
be something unusual involved.
It's almost certainly not your fault, but there would appear to be
something in
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