From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f181.google.com ([209.85.213.181]:36432 "EHLO mail-ig0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750974AbbIQLcI (ORCPT ); Thu, 17 Sep 2015 07:32:08 -0400 Received: by igcrk20 with SMTP id rk20so54141052igc.1 for ; Thu, 17 Sep 2015 04:32:08 -0700 (PDT) Subject: Re: FYIO: A rant about btrfs To: Hugo Mills , Martin Tippmann , linux-btrfs@vger.kernel.org References: <20150916144355.GA1285@invalid> <55F988A6.8070109@gmail.com> <55F9C136.3080800@gmail.com> <20150916233114.GE28645@carfax.org.uk> From: Austin S Hemmelgarn Message-ID: <55FAA4AF.6040909@gmail.com> Date: Thu, 17 Sep 2015 07:31:59 -0400 MIME-Version: 1.0 In-Reply-To: <20150916233114.GE28645@carfax.org.uk> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-512; boundary="------------ms080207050704010206050109" Sender: linux-btrfs-owner@vger.kernel.org List-ID: This is a cryptographically signed message in MIME format. --------------ms080207050704010206050109 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable On 2015-09-16 19:31, Hugo Mills wrote: > On Wed, Sep 16, 2015 at 03:21:26PM -0400, Austin S Hemmelgarn wrote: >> On 2015-09-16 12:45, Martin Tippmann wrote: >>> 2015-09-16 17:20 GMT+02:00 Austin S Hemmelgarn = : >>> [...] > [...] >>> From reading the list I understand that btrfs is still very much wor= k >>> in progress and performance is not a top priority at this stage but I= >>> don't see why it shouldn't perform at least equally good as ZFS/F2FS >>> on the same workloads. Is looking at performance problems on the >>> development roadmap? >> Performance is on the roadmap, but the roadmap is notoriously >> short-sighted when it comes to time-frame for completion of >> something. You have to understand also that the focus in BTRFS has >> also been more on data safety than performance, because that's the >> intended niche, and the area most people look to ZFS for. > > Wait... there's a roadmap? ;) > Yeah, maybe it's better to say that there's a directed graph of feature=20 interdependence. I was just basing my statement on the presence of a=20 list of project ideas on the wiki. :) --------------ms080207050704010206050109 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCC Brgwgga0MIIEnKADAgECAgMQblUwDQYJKoZIhvcNAQENBQAweTEQMA4GA1UEChMHUm9vdCBD QTEeMBwGA1UECxMVaHR0cDovL3d3dy5jYWNlcnQub3JnMSIwIAYDVQQDExlDQSBDZXJ0IFNp Z25pbmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcNAQkBFhJzdXBwb3J0QGNhY2VydC5vcmcwHhcN MTUwMzI1MTkzNDM4WhcNMTUwOTIxMTkzNDM4WjBjMRgwFgYDVQQDEw9DQWNlcnQgV29UIFVz ZXIxIzAhBgkqhkiG9w0BCQEWFGFoZmVycm9pbjdAZ21haWwuY29tMSIwIAYJKoZIhvcNAQkB FhNhaGVtbWVsZ0BvaGlvZ3QuY29tMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA nQ/81tq0QBQi5w316VsVNfjg6kVVIMx760TuwA1MUaNQgQ3NyUl+UyFtjhpkNwwChjgAqfGd LIMTHAdObcwGfzO5uI2o1a8MHVQna8FRsU3QGouysIOGQlX8jFYXMKPEdnlt0GoQcd+BtESr pivbGWUEkPs1CwM6WOrs+09bAJP3qzKIr0VxervFrzrC5Dg9Rf18r9WXHElBuWHg4GYHNJ2V Ab8iKc10h44FnqxZK8RDN8ts/xX93i9bIBmHnFfyNRfiOUtNVeynJbf6kVtdHP+CRBkXCNRZ qyQT7gbTGD24P92PS2UTmDfplSBcWcTn65o3xWfesbf02jF6PL3BCrVnDRI4RgYxG3zFBJuG qvMoEODLhHKSXPAyQhwZINigZNdw5G1NqjXqUw+lIqdQvoPijK9J3eijiakh9u2bjWOMaleI SMRR6XsdM2O5qun1dqOrCgRkM0XSNtBQ2JjY7CycIx+qifJWsRaYWZz0aQU4ZrtAI7gVhO9h pyNaAGjvm7PdjEBiXq57e4QcgpwzvNlv8pG1c/hnt0msfDWNJtl3b6elhQ2Pz4w/QnWifZ8E BrFEmjeeJa2dqjE3giPVWrsH+lOvQQONsYJOuVb8b0zao4vrWeGmW2q2e3pdv0Axzm/60cJQ haZUv8+JdX9ZzqxOm5w5eUQSclt84u+D+hsCAwEAAaOCAVkwggFVMAwGA1UdEwEB/wQCMAAw VgYJYIZIAYb4QgENBEkWR1RvIGdldCB5b3VyIG93biBjZXJ0aWZpY2F0ZSBmb3IgRlJFRSBo ZWFkIG92ZXIgdG8gaHR0cDovL3d3dy5DQWNlcnQub3JnMA4GA1UdDwEB/wQEAwIDqDBABgNV HSUEOTA3BggrBgEFBQcDBAYIKwYBBQUHAwIGCisGAQQBgjcKAwQGCisGAQQBgjcKAwMGCWCG SAGG+EIEATAyBggrBgEFBQcBAQQmMCQwIgYIKwYBBQUHMAGGFmh0dHA6Ly9vY3NwLmNhY2Vy dC5vcmcwMQYDVR0fBCowKDAmoCSgIoYgaHR0cDovL2NybC5jYWNlcnQub3JnL3Jldm9rZS5j cmwwNAYDVR0RBC0wK4EUYWhmZXJyb2luN0BnbWFpbC5jb22BE2FoZW1tZWxnQG9oaW9ndC5j b20wDQYJKoZIhvcNAQENBQADggIBABr5e8W+NiTER+Q/7wiA2LxWN3UdhT3eZJjqqSlP370P KL5iWqeTfxQ67Ai/mHbJcT2PgAJ+/D2Ji+aRR03UWnU/vtOwzyDLUMstqnfl0Zs+sz/CJe7x nBA5jlpjC2DKuMVfbPze7eySaen7XSGFHKE1QoVIIpQ2kVjC4nbbJQnUbAVX1Iz29WxeVGt9 XYigz3tDPf3tglN+q23E7YjQl4abTIoM7i98yV1H9gfY8lFfKZ6jREB9+n6ie2EwS3Kat2mG tl2wBx4MfRnoSQSKsLKQ5oTwhWf0JqlFwpLfl374p0Njcykej9/jnWG8Ks1V/AXTHqI4eyIP Mf5yMZkPv7n7LS9WWKdG4Nd38iv4T2EiAaWsmgu+r81qL5CJu9AyA0SBS4ttKf6k3e63w2Mv N9R45vpQ3QhAhfWyFxFhZN95APe3YECDG3+XIRJpRYPEtHuIsOyzI70ajF93gg/BidvqKsmV MM2ccktDMfqwZXea6zey7F8Geu9R7BqjXmG2HlNuXu7e/xnHOgXf5D3wPmnRLlBhXL1Ch97a w2KjaupjpAHfFjv5kGnZXN87UvvlwzIZiKXwa3vTDwK+rrKn/sHPkfDZPSiyt/ZBIK6lX83P 34H/CzGg+Kx57rHYOIHGumIvpDa5vfWp8O0sGgawb1C2Aae4sTUVIWmIjVuGI062MYIE0TCC BM0CAQEwgYAweTEQMA4GA1UEChMHUm9vdCBDQTEeMBwGA1UECxMVaHR0cDovL3d3dy5jYWNl cnQub3JnMSIwIAYDVQQDExlDQSBDZXJ0IFNpZ25pbmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcN AQkBFhJzdXBwb3J0QGNhY2VydC5vcmcCAxBuVTANBglghkgBZQMEAgMFAKCCAiEwGAYJKoZI hvcNAQkDMQsGCSqGSIb3DQEHATAcBgkqhkiG9w0BCQUxDxcNMTUwOTE3MTEzMTU5WjBPBgkq hkiG9w0BCQQxQgRA3AcQ/VPe2G0Es6ADNiJqqxFydkZpsXxlxGfay/h3HJcOcl/wm5t+ODnG CLIrBF1LMlr04s2WCaKa7GnE4lmSizBsBgkqhkiG9w0BCQ8xXzBdMAsGCWCGSAFlAwQBKjAL BglghkgBZQMEAQIwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFA MAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMIGRBgkrBgEEAYI3EAQxgYMwgYAweTEQMA4GA1UE ChMHUm9vdCBDQTEeMBwGA1UECxMVaHR0cDovL3d3dy5jYWNlcnQub3JnMSIwIAYDVQQDExlD QSBDZXJ0IFNpZ25pbmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcNAQkBFhJzdXBwb3J0QGNhY2Vy dC5vcmcCAxBuVTCBkwYLKoZIhvcNAQkQAgsxgYOggYAweTEQMA4GA1UEChMHUm9vdCBDQTEe MBwGA1UECxMVaHR0cDovL3d3dy5jYWNlcnQub3JnMSIwIAYDVQQDExlDQSBDZXJ0IFNpZ25p bmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcNAQkBFhJzdXBwb3J0QGNhY2VydC5vcmcCAxBuVTAN BgkqhkiG9w0BAQEFAASCAgBDb5mBrLdCXY4v0i0pJ0tUXmQ1HM4NT8HU4pjMq5RihZD5KMEO +EGXNaNIbbgjJLrK9pzKg/u06aJkcFBD/v+Fb+qashA5r4MuWvVilFiGoFq5VnhuB0Fk3jIO bpVQ6Jgou95u7T8D3o1Ee+LL8mDbQev/sUtpjCgWRuGWw6EuY+E8aqKsVYq8c7ZdjMjPlAEi bNSgP5Lx6SBuklt0IgRDb4e9IYMlAvsVZ7F+wB3R5PNQbNP8xjd4PI9uNeENSNwYhORnEaii Kjsyud9i6spT2+quqJBJV8R6ReBLvEFwiF+A2KuluOGLjqtCXHdbcCIk7RIuPeJB2SeHAinx 0eF1PIw4jPP5XUw6LOyolIS/PleAyW1Dh5JLshwTmib6IzthaH6rlr5KijTw0ljeLvOjpRCE cZRMKsp+oFEeV+nqrtsyW0RDdVvU2e+wFVzUDuvtTVeX3mDpechVtqrs4vMcQCkadoNTh7dB Kdxpw4G/NDutOsBtXTqxm4LuEaqN9+zW/TBoL2NxWPjrgV6FVszVQ2OkLKieKfe57Q04OAU7 7dLqCzPW9xCskxkCrZS4YjrUnhXKa4QCx1BZLVa2szU+T+0SmbxugCFbuavYU2xBqVVk6zfi bsRKkGzHTTCNivE1NEpvh+KquUg63NGa72E7exMp/DpumxKCWRB9CwFJEAAAAAAAAA== --------------ms080207050704010206050109--