Re: BTRFS, relatime vs. noatime

2020-09-12 Thread Gordon Messmer
On 9/5/20 5:29 AM, Neal Becker wrote: If BTRFS is to become fedora default, we should consider this? "BTRFS relatime vs. noatime - Huge Performance Difference - linux" https://www.reddit.com/r/linux/comments/imgler/btrfs_relatime_vs_noatime_huge_performance/?utm_source=amp_mediu

Re: BTRFS, relatime vs. noatime

2020-09-07 Thread Chris Murphy
On Mon, Sep 7, 2020 at 6:30 AM Kamil Paral wrote: > > On Sun, Sep 6, 2020 at 1:37 AM Chris Murphy wrote: >> >> But if you've got a snapshot once per day, times ten days, and this kind of >> aggressive search function touching every file? Maybe an extra 1-2G of >> metadata being pinned > > > I

Re: BTRFS, relatime vs. noatime

2020-09-07 Thread Neal Gompa
On Mon, Sep 7, 2020 at 8:30 AM Kamil Paral wrote: > > On Sun, Sep 6, 2020 at 1:37 AM Chris Murphy wrote: >> >> But if you've got a snapshot once per day, times ten days, and this kind of >> aggressive search function touching every file? Maybe an extra 1-2G of >> metadata being pinned > > > I

Re: BTRFS, relatime vs. noatime

2020-09-07 Thread Kamil Paral
On Sun, Sep 6, 2020 at 1:37 AM Chris Murphy wrote: > But if you've got a snapshot once per day, times ten days, and this kind > of aggressive search function touching every file? Maybe an extra 1-2G of > metadata being pinned > I don't follow. If you have one master copy and 10 snapshots, and

Re: BTRFS, relatime vs. noatime

2020-09-06 Thread Chris Murphy
On Sun, Sep 6, 2020 at 3:00 AM Roberto Ragusa wrote: > I've found atime useful in several cases. If you are doubting about a > configuration file being > read or not by an application, you just check the atime before and after > running it > (way easier than strace). If you are investigating

Re: BTRFS, relatime vs. noatime

2020-09-06 Thread Roberto Ragusa
On 2020-09-06 01:35, Chris Murphy wrote: I figured nothing was using it these days and it was a complete waste. If tracker uses atime, maybe I'll get more worried. But if it uses mtime, I'm not. I've found atime useful in several cases. If you are doubting about a configuration file being

Re: BTRFS, relatime vs. noatime

2020-09-05 Thread Chris Murphy
On Sat, Sep 5, 2020 at 11:22 AM Dominique Martinet wrote: > > Matthew Miller wrote on Sat, Sep 05, 2020: > > On Sat, Sep 05, 2020 at 08:46:37AM -0400, Neal Gompa wrote: > > > > "BTRFS relatime vs. noatime - Huge Performance Difference - linux" > > >

Re: BTRFS, relatime vs. noatime

2020-09-05 Thread Chris Murphy
On Sat, Sep 5, 2020 at 6:30 AM Neal Becker wrote: > > If BTRFS is to become fedora default, we should consider this? > > "BTRFS relatime vs. noatime - Huge Performance Difference - linux" > https://www.reddit.com/r/linux/comments/imgler/btrfs_relatime_vs_noatime_hug

Re: BTRFS, relatime vs. noatime

2020-09-05 Thread Dominique Martinet
Matthew Miller wrote on Sat, Sep 05, 2020: > On Sat, Sep 05, 2020 at 08:46:37AM -0400, Neal Gompa wrote: > > > "BTRFS relatime vs. noatime - Huge Performance Difference - linux" > > > https://www.reddit.com/r/linux/comments/imgler/btrfs_relatime_vs_noatime_huge_per

Re: BTRFS, relatime vs. noatime

2020-09-05 Thread Matthew Miller
On Sat, Sep 05, 2020 at 08:46:37AM -0400, Neal Gompa wrote: > > "BTRFS relatime vs. noatime - Huge Performance Difference - linux" > > https://www.reddit.com/r/linux/comments/imgler/btrfs_relatime_vs_noatime_huge_performance/?utm_source=amp_medium=_content=post_body > It

Re: BTRFS, relatime vs. noatime

2020-09-05 Thread Neal Gompa
On Sat, Sep 5, 2020 at 8:30 AM Neal Becker wrote: > > > If BTRFS is to become fedora default, we should consider this? > > "BTRFS relatime vs. noatime - Huge Performance Difference - linux" > https://www.reddit.com/r/linux/comments/imgler/btrfs_relatime_vs_noatime_

BTRFS, relatime vs. noatime

2020-09-05 Thread Neal Becker
If BTRFS is to become fedora default, we should consider this? "BTRFS relatime vs. noatime - Huge Performance Difference - linux" https://www.reddit.com/r/linux/comments/imgler/btrfs_relatime_vs_noatime_huge_performance/?utm_source=amp_medium=_content=post_body -- *Those who don't