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From: Marc MERLIN <marc@merlins.org>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: Chris Murphy <lists@colorremedies.com>,
	Su Yue <suy.fnst@cn.fujitsu.com>,
	Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: So, does btrfs check lowmem take days? weeks?
Date: Tue, 3 Jul 2018 07:38:51 -0700	[thread overview]
Message-ID: <20180703143851.GK5567@merlins.org> (raw)
In-Reply-To: <e72a5fe6-a6fc-ee70-870e-f98d4c7b8221@gmx.com>

On Tue, Jul 03, 2018 at 04:50:48PM +0800, Qu Wenruo wrote:
> > It sounds like there may not be a fix to this problem with the filesystem's
> > design, outside of "do not get there, or else".
> > It would even be useful for btrfs tools to start computing heuristics and
> > output warnings like "you have more than 100 snapshots on this filesystem,
> > this is not recommended, please read http://url/"
> 
> This looks pretty doable, but maybe it's better to add some warning at
> btrfs progs (both "subvolume snapshot" and "receive").

This is what I meant to say, correct.

Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/  

  reply	other threads:[~2018-07-03 14:38 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-29  4:27 So, does btrfs check lowmem take days? weeks? Marc MERLIN
2018-06-29  5:07 ` Qu Wenruo
2018-06-29  5:28   ` Marc MERLIN
2018-06-29  5:48     ` Qu Wenruo
2018-06-29  6:06       ` Marc MERLIN
2018-06-29  6:29         ` Qu Wenruo
2018-06-29  6:59           ` Marc MERLIN
2018-06-29  7:09             ` Roman Mamedov
2018-06-29  7:22               ` Marc MERLIN
2018-06-29  7:34                 ` Roman Mamedov
2018-06-29  8:04                 ` Lionel Bouton
2018-06-29 16:24                   ` btrfs send/receive vs rsync Marc MERLIN
2018-06-30  8:18                     ` Duncan
2018-06-29  7:20             ` So, does btrfs check lowmem take days? weeks? Qu Wenruo
2018-06-29  7:28               ` Marc MERLIN
2018-06-29 17:10                 ` Marc MERLIN
2018-06-30  0:04                   ` Chris Murphy
2018-06-30  2:44                   ` Marc MERLIN
2018-06-30 14:49                     ` Qu Wenruo
2018-06-30 21:06                       ` Marc MERLIN
2018-06-29  6:02     ` Su Yue
2018-06-29  6:10       ` Marc MERLIN
2018-06-29  6:32         ` Su Yue
2018-06-29  6:43           ` Marc MERLIN
2018-07-01 23:22             ` Marc MERLIN
2018-07-02  2:02               ` Su Yue
2018-07-02  3:22                 ` Marc MERLIN
2018-07-02  6:22                   ` Su Yue
2018-07-02 14:05                     ` Marc MERLIN
2018-07-02 14:42                       ` Qu Wenruo
2018-07-02 15:18                         ` how to best segment a big block device in resizeable btrfs filesystems? Marc MERLIN
2018-07-02 16:59                           ` Austin S. Hemmelgarn
2018-07-02 17:34                             ` Marc MERLIN
2018-07-02 18:35                               ` Austin S. Hemmelgarn
2018-07-02 19:40                                 ` Marc MERLIN
2018-07-03  4:25                                 ` Andrei Borzenkov
2018-07-03  7:15                                   ` Duncan
2018-07-06  4:28                                     ` Andrei Borzenkov
2018-07-08  8:05                                       ` Duncan
2018-07-03  0:51                           ` Paul Jones
2018-07-03  4:06                             ` Marc MERLIN
2018-07-03  4:26                               ` Paul Jones
2018-07-03  5:42                                 ` Marc MERLIN
2018-07-03  1:37                           ` Qu Wenruo
2018-07-03  4:15                             ` Marc MERLIN
2018-07-03  9:55                               ` Paul Jones
2018-07-03 11:29                                 ` Qu Wenruo
2018-07-03  4:23                             ` Andrei Borzenkov
2018-07-02 15:19                         ` So, does btrfs check lowmem take days? weeks? Marc MERLIN
2018-07-02 17:08                           ` Austin S. Hemmelgarn
2018-07-02 17:33                           ` Roman Mamedov
2018-07-02 17:39                             ` Marc MERLIN
2018-07-03  0:31                         ` Chris Murphy
2018-07-03  4:22                           ` Marc MERLIN
2018-07-03  8:34                             ` Su Yue
2018-07-03 21:34                               ` Chris Murphy
2018-07-03 21:40                                 ` Marc MERLIN
2018-07-04  1:37                                   ` Su Yue
2018-07-03  8:50                             ` Qu Wenruo
2018-07-03 14:38                               ` Marc MERLIN [this message]
2018-07-03 21:46                               ` Chris Murphy
2018-07-03 22:00                                 ` Marc MERLIN
2018-07-03 22:52                                   ` Qu Wenruo
2018-06-29  5:35   ` Su Yue
2018-06-29  5:46     ` Marc MERLIN
     [not found] <94caf6c5-77e1-3da0-d026-a29edb08d410@cn.fujitsu.com>
     [not found] ` <CAKhhfD6svMo=28_UX=ZjRRmF6zNadd3H+8vVZKGX4zjqVr-giw@mail.gmail.com>
     [not found]   ` <3a83cb3c-de2b-e803-f07e-31f7de0ee25f@cn.fujitsu.com>
     [not found]     ` <b1b2d361-eb1a-f172-45d3-409abd131d2b@cn.fujitsu.com>
     [not found]       ` <20180705153023.GA30566@merlins.org>
     [not found]         ` <trinity-d028b6bd-31d9-41c0-a091-47bcb810cdc3-1530808069711@msvc-mesg-gmx023>
     [not found]           ` <20180705165049.t56dvqpz7ljjan5c@merlins.org>
     [not found]             ` <trinity-79578bdf-a849-4342-a082-f2b882f2251e-1530810500266@msvc-mesg-gmx024>
     [not found]               ` <20180706160523.kxwxjzwneseaamnt@merlins.org>
     [not found]                 ` <20180706175636.53ebp7drifiqu5b7@merlins.org>
     [not found]                   ` <20180707172114.bfc26eoahullffgg@merlins.org>
2018-07-10  1:37                     ` Su Yue
2018-07-10  1:34                       ` Qu Wenruo
2018-07-10  3:50                         ` Marc MERLIN
2018-07-10  4:55                           ` Qu Wenruo
2018-07-10 10:44                             ` Su Yue
     [not found] <f9bc21d6-fdc3-ca3a-793f-6fe574c7b8c6@cn.fujitsu.com>
     [not found] ` <20180709031054.qfg4x5yzcl4rao2k@merlins.org>
     [not found]   ` <20180709031501.iutlokfvodtkkfhe@merlins.org>
     [not found]     ` <17cc0cc1-b64d-4daa-18b5-bb2da3736ea1@cn.fujitsu.com>
     [not found]       ` <20180709034058.wjavwjdyixx6smbw@merlins.org>
     [not found]         ` <29302c14-e277-2c69-ac08-c4722c2b18aa@cn.fujitsu.com>
     [not found]           ` <20180709155306.zr3p2kolnanvkpny@merlins.org>
     [not found]             ` <trinity-4aae1c42-a85e-4c73-a30e-8b0d0be05e86-1531152875875@msvc-mesg-gmx023>
     [not found]               ` <20180709174818.wq2d4awmgasxgwad@merlins.org>
     [not found]                 ` <faba0923-8d1f-5270-ba03-ce9cc484e08a@gmx.com>
2018-07-10  4:00                   ` Marc MERLIN
     [not found]                 ` <trinity-4546309e-d603-4d29-885a-e76da594f792-1531159860064@msvc-mesg-gmx021>
     [not found]                   ` <20180709222218.GP9859@merlins.org>
     [not found]                     ` <440b7d12-3504-8b4f-5aa4-b1f39f549730@cn.fujitsu.com>
     [not found]                       ` <20180710041037.4ynitx3flubtwtvc@merlins.org>
     [not found]                         ` <58b36f04-3094-7de0-8d5e-e06e280aac00@cn.fujitsu.com>
2018-07-11  1:08                           ` Su Yue

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