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From: Nikolay Borisov <nborisov@suse.com>
To: Hamish Moffatt <hamish-btrfs@moffatt.email>,
	Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: new database files not compressed
Date: Mon, 31 Aug 2020 13:47:46 +0300	[thread overview]
Message-ID: <68468502-c0e4-d126-3e09-4b5afa0a1f29@suse.com> (raw)
In-Reply-To: <4b5ff37f-2659-0757-cdc4-e3704ba9768b@moffatt.email>

<SNIP>

> I created a new file system, ran dd bs=32k count=1024, then the dump
> shows me items all the way up to item 161. https://pastebin.com/0MPPdqqM
> 
>     item 160 key (258 EXTENT_DATA 33292288) itemoff 7750 itemsize 53
>         generation 7 type 1 (regular)
>         extent data disk byte 14671872 nr 4096
>         extent data offset 0 nr 131072 ram 131072
>         extent compression 3 (zstd)
>     item 161 key (258 EXTENT_DATA 33423360) itemoff 7697 itemsize 53
>         generation 7 type 1 (regular)
>         extent data disk byte 14675968 nr 4096
>         extent data offset 0 nr 131072 ram 131072
>         extent compression 3 (zstd)
> total bytes 32196018176
> bytes used 1245184
> uuid 53eaed91-1060-445b-bf7c-5efe9917adbc

This output indicates that extents are compressed, what does compsize
report on this file?
> 
> 
> From mount: /dev/sdb on /mnt/test type btrfs
> (rw,relatime,compress-force=zstd:3,space_cache,subvolid=5,subvol=/)
> 
> Hamish
> 

  reply	other threads:[~2020-08-31 10:47 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-30  9:35 new database files not compressed Hamish Moffatt
2020-08-31  2:20 ` Eric Wong
2020-08-31  2:44   ` Hamish Moffatt
2020-08-31  3:15   ` A L
2020-08-31  3:47 ` Zygo Blaxell
2020-08-31  8:53   ` Hamish Moffatt
2020-08-31  9:25     ` Nikolay Borisov
2020-08-31 10:40       ` Hamish Moffatt
2020-08-31 10:47         ` Nikolay Borisov [this message]
2020-08-31 12:56           ` Hamish Moffatt
2020-08-31 11:15     ` Roman Mamedov
2020-08-31 12:54       ` Hamish Moffatt
2020-08-31 12:57         ` Nikolay Borisov
2020-08-31 23:50           ` Hamish Moffatt
2020-09-01  5:15             ` Nikolay Borisov
2020-09-01  8:55               ` Hamish Moffatt
2020-09-02  0:32                 ` Hamish Moffatt
2020-09-02  5:57                   ` Nikolay Borisov
2020-09-02  6:05                     ` Hamish Moffatt
2020-09-02  6:10                       ` Nikolay Borisov
2020-09-02  9:57                     ` A L
2020-09-02 10:09                       ` Nikolay Borisov
2020-09-03 15:04                         ` A L
2020-09-02 16:16                       ` Zygo Blaxell
2020-09-03 12:53                         ` Hamish Moffatt
2020-09-03 19:44                           ` Zygo Blaxell
2020-09-04  8:07                             ` Hamish Moffatt
2020-09-05  4:07                               ` Zygo Blaxell
2020-09-03 15:03                         ` A L
2020-09-03 21:52                           ` Zygo Blaxell
2020-09-01  1:43 ` Chris Murphy

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