Re: Rename BTRfs to MuchSlowerFS ?

2011-09-16 Thread Maciej Marcin Piechotka
On Fri, 2011-09-16 at 05:16 +0700, Fajar A. Nugraha wrote: On Fri, Sep 16, 2011 at 2:37 AM, Felix Blanke felixbla...@gmail.com wrote: I'm using btrfs since one year now and it's quite fast. I don't feel any differences to other filesystems. Never tried a benchmark but for my daily work it's

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-16 Thread Fajar A. Nugraha
On Fri, Sep 16, 2011 at 1:21 PM, Maciej Marcin Piechotka uzytkown...@gmail.com wrote: On Fri, 2011-09-16 at 05:16 +0700, Fajar A. Nugraha wrote: On Fri, Sep 16, 2011 at 2:37 AM, Felix Blanke felixbla...@gmail.com wrote: I'm using btrfs since one year now and it's quite fast. I don't feel any

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-16 Thread Maciej Marcin Piechotka
On Fri, 2011-09-16 at 13:42 +0700, Fajar A. Nugraha wrote: On Fri, Sep 16, 2011 at 1:21 PM, Maciej Marcin Piechotka uzytkown...@gmail.com wrote: On Fri, 2011-09-16 at 05:16 +0700, Fajar A. Nugraha wrote: On Fri, Sep 16, 2011 at 2:37 AM, Felix Blanke felixbla...@gmail.com wrote: I'm

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-15 Thread Swâmi Petaramesh
Le Mercredi 7 Septembre 2011 00:11:25 vous avez écrit : Reading your post, at this point I'd actually recommend you stick with ext4. I actually shifted back from BTRFS to ext4 and fell like having offered myself a brand new computer, about 20 times faster, me happy ;-) Both btrfs and zfs

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-15 Thread Felix Blanke
I'm using btrfs since one year now and it's quite fast. I don't feel any differences to other filesystems. Never tried a benchmark but for my daily work it's nice. I also never had any issues with the memory. Imho nowadays memory isn't a problem at all in desktop computers. I bought 8gb of

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-08 Thread youagree
On 09/05/2011 06:29 PM, Hugo Mills wrote: On Mon, Sep 05, 2011 at 12:25:21PM -0400, Christoph Hellwig wrote: On Mon, Sep 05, 2011 at 06:23:23PM +0200, Tomasz Chmielewski wrote: That's because dpkg is known for using (f)sync very heavily. btrfs honours the sync request in all cases, so it's

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-06 Thread Swâmi Petaramesh
On Monday 5 September 2011 22:25:23 Sergei Trofimovich wrote: I've seen similar problem on Ubuntu-11 + Aspire One (8GB of slow SSD). More specifically half of ubuntu install went very fast and when disk was ~50% free things suddenly gone slow. I'm just about to give up and definitely quit

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-06 Thread Fajar A. Nugraha
On Tue, Sep 6, 2011 at 10:30 PM, Swâmi Petaramesh sw...@petaramesh.org wrote: On Monday 5 September 2011 22:25:23 Sergei Trofimovich wrote: I've seen similar problem on Ubuntu-11 + Aspire One (8GB of slow SSD). More specifically half of ubuntu install went very fast and when disk was ~50% free

Rename BTRfs to MuchSlowerFS ?

2011-09-05 Thread Swâmi Petaramesh
Hi list, I don't trust theoretical benchmarks that much and prefer real-life benchs on the occasion, so here's mine: Given 4 laptops, the most powerful of which was running BTRFS and the others ext3 or ext4, all machines running Ubuntu 11.04 Natty 32-bit with a stock Ubuntu 2.6.38-11

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-05 Thread Hugo Mills
On Mon, Sep 05, 2011 at 03:51:17PM +0200, Swâmi Petaramesh wrote: Hi list, I don't trust theoretical benchmarks that much and prefer real-life benchs on the occasion, so here's mine: Given 4 laptops, the most powerful of which was running BTRFS and the others ext3 or ext4, all machines

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-05 Thread Roman Mamedov
On Mon, 5 Sep 2011 15:00:23 +0100 Hugo Mills h...@carfax.org.uk wrote: BTRFS machine took 20 HOURS so far, still counting (ETA 15 minutes left). Wow. Impressive. That's because dpkg is known for using (f)sync very heavily. btrfs honours the sync request in all cases I don't

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-05 Thread David McBride
On 05/09/11 14:51, � wrote: Given 4 laptops, the most powerful of which was running BTRFS and the others ext3 or ext4, all machines running Ubuntu 11.04 Natty 32-bit with a stock Ubuntu 2.6.38-11 kernel, all machines were given the following FS-intensive task : (dpkg-intensive workload)

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-05 Thread Tomasz Chmielewski
That's because dpkg is known for using (f)sync very heavily. btrfs honours the sync request in all cases, so it's much much slower than ext3, which doesn't. Hmm, is it really the case with ext3/ext4 (ignoring fsync in some cases)? Sounds like a bug in ext3/ext4 then. Is it documented

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-05 Thread Christoph Hellwig
On Mon, Sep 05, 2011 at 06:23:23PM +0200, Tomasz Chmielewski wrote: That's because dpkg is known for using (f)sync very heavily. btrfs honours the sync request in all cases, so it's much much slower than ext3, which doesn't. Hmm, is it really the case with ext3/ext4 (ignoring fsync in

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-05 Thread Hugo Mills
On Mon, Sep 05, 2011 at 12:25:21PM -0400, Christoph Hellwig wrote: On Mon, Sep 05, 2011 at 06:23:23PM +0200, Tomasz Chmielewski wrote: That's because dpkg is known for using (f)sync very heavily. btrfs honours the sync request in all cases, so it's much much slower than ext3, which

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-05 Thread Elric Milon
On Monday 05 September 2011 16:20:00 Roman Mamedov wrote: [...] real 0m6.924s user 0m0.000s sys 0m0.464s To be fair, this was on the 2.6.39.2 kernel, and the performance seems to be somewhat better on 3.0 (though I didn't do tests like this one or any significant dpkg operations on it

Re: Rename BTRfs to MuchSlowerFS ?

2011-09-05 Thread Sergei Trofimovich
On Mon, 05 Sep 2011 15:51:17 +0200 Swâmi Petaramesh sw...@petaramesh.org wrote: Hi list, I don't trust theoretical benchmarks that much and prefer real-life benchs on the occasion, so here's mine: Given 4 laptops, the most powerful of which was running BTRFS and the others ext3 or