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Thu, 08 Apr 2021 18:19:37 +0300 To: Proxmox VE user list , Lindsay Mathieson , Roland References: <1e49af73-aaaa-f7e7-00e4-c940ce733a6f@gmail.com> <479b543a-cf3b-adda-29a3-522b9158e6e9@web.de> <1b240ba7-d285-9968-85fe-a99265b16c9c@gmail.com> From: Mikhail Autocrypt: addr=m@plus-plus.su; prefer-encrypt=mutual; keydata= xsFNBF2A3rkBEADTNqMfrRQP6yLC4zmFVaqpoqQDJfXVv43SST+GXwm+2Y9VGD+rhB0NBJRc DyFuK+AaMC+y9MpCD/o/Yv5SIgqG0zOmzCPyUCaQe6e9q8toTa482/06ZCgEmIEZXvY/m7Mu cklszyL9LEukZT/6xwGILhhVwaR8NV1X6J1IhKz4/qCq6eGMK+oK9ZoHYAg6hWdkZnT03iQN 00lDCkNlyFcbqqj6JJaRaLw+3FDtUhVyiADmK4Zpt0RW7An/sMOFnYIpUxyjq9N+DOqWquJ8 EeZFL0/5WXqJmgV528tw4jFq4RyfseI1OvSLdPz6vEewWJye7wIvbDEoELWk7g95m8qM6ldl dbhwr8br4ZfrVHc3OGizx4eRXje855TJM2JU9lQgUkCWTnJtWOTAPpOiA6DeTwBUwxpTTXeM LeS9ndeql40HslaPbtxh2cBy/du3TgEeqms/fvQFg2oKssnQQqzSYUA30SAfSIfRvFvXlN0H S5fkQvGjHu61VZ2aiQD/wr4MwaXqnLspjgXLs0RNsfO5DMS5bbeUuXtfNIKJrFf/r3JlMhzS US0VbLo2UJSS2GnP7ni8/qCELU4ZrAT0upulqfwujkyPhy3g23d3rcdO4qzQUH82me+Xv+Fd T+duHt3olDG364WIGIOmaHpnJoFmmwP6U+zMcz2rByQRXY8cNwARAQABzRhNaWtoYWlsIDxt QHBsdXMtcGx1cy5zdT7CwasEEwEKAD4WIQR712E7rGMe7jGRLVgVWm7ZsXEv1wUCXYDeuQIb IwUJEswDAAULCQgHAgYVCgkICwIEFgIDAQIeAQIXgAAhCRAVWm7ZsXEv1xYhBHvXYTusYx7u MZEtWBVabtmxcS/XIYsP/iKWI26zqWfSEyyiz9f4hNyMVOSt7/T+Ai3OTxdsLFcbYfAPcnIw i/1PrdoAJ1+1dk3y746oJ2+gGHwqy2UdmbWIUq+TI/YwA7cEGMUZ61X1xBYhcKr5Owh9STvW LKQ7pr7y/07fz3I6/vWynmDtOlny+TjTEyEEZtIADE9WTUHbkR3GcYDOI0Ppl6x0z9ZqgERK jj6A+y8Cw6I2iDYUvZjqCzkEFnsjB9ymIh8ZhuWWHcaiaCZy971kM0C9FC399guKP7Rv92oe nA+WcmPPkUwUuBd8SUlr9gakmaczzQ1W/itLCGoWJdzedGm+RGsyTGPAh+5vOqN7lDUcjoIX 9QH0faOhadMND492ERgw13NNdvZqnk15CF0XWJlCB2byX5dp4zzKmU2xgYnX8bnyhSd5hQ9C 2Ur7oa1DZzITE7x/OeRxgw0Z9XYpGpiCeSXWg2U6a8gC4+hCskHbTfQ6vOTceRa286qMKcTE RGe8k2t0cicnAfWQrgZWWeaQw9m9RfStdeKYDtUlI2VS8hD7cXuDyBsrolNU2u0Bd1imRfKt H3a2oM64Usgnm/9g5MXnWQNMg+XKJCyR3LtxQc29Zc4e9AFfrXsH2BuS8U2jgNjB0REtMoiV yDUYDdxEN2EUmEAM+psXnw/I8cVvZ6lrXDytHNXYss9WTyZjufZMQitdzsFNBF2A3rkBEADJ UggCzlchvanVhXlSVgqQMO9IIBRr5FxV+FEeWiXSy9JScsDOuLPYqhLCQbPuSCZQhy+FhZsb sfwe4uI4t3KduLKdMzFlt5e07imPHBGJJPlRq4hGHyNGV08kJoVlHeOml0pd9HWEp9AZ2TOC hLqgug8qGSJ5pNUcxY9PHVPY5lroPc+whp06gpckagD+dMG+Cs/VVtJIPHiJVe17YRxZuhv/ Dj/zPks6/aA+8Bndwh5jAehig64vBHkhlb5n2lScVl5yMumZxPHeZ7FnzDl3h9RPsnXfYXkK zlobCjANe9/uO02jFIelW6Btd3OIB+LPZKFEQGT1RONofyiKZqPsGpp1PjZkbVjc2eKWfY84 Rp9qfRpTeyVqWBcZJYp+VFtsj2HQAs6HdcpwQzNobR5UeTTf+2+RrNJuTOmoSkkRqx7QKh0i NSMJdR8QlyhFirM8DI2TveDASQaQAlYUaEbilFbo0RZNUFb+3ZIDnxBNnQJmoKMsrF21NHof pckAgbRAJUI5ZSmcwxJadXp7xOXYV6WEWMB/RONy82KCfsYLyB9kZPheApBQ+RrF+izBgsGx 00M/GKN0wcW2JrwqwpIB6TEZYbyGUTd587TLKjkqhrFVG51cJx0OT3acD8NkFlWmMxvd4Wcd ujFeR6tWB3e3A282CAWwlu6kcMwFgF1zZQARAQABwsGTBBgBCgAmFiEEe9dhO6xjHu4xkS1Y FVpu2bFxL9cFAl2A3rkCGwwFCRLMAwAAIQkQFVpu2bFxL9cWIQR712E7rGMe7jGRLVgVWm7Z sXEv112uEACMC0GrrXp9z4tpg1CAsvjAAJZKoyq+CdUD/1AeTLkXhLuVdQRzQaMMybcm3gEe skcQ1z7/csSnO6WUnrAA4j3Yo6KDh538Tb+v58i2xYe5ozwl/zBztfIh/zgLiFiA6oIiObIy di3HfJ6oum4nnNoIgJ88DYuyFCQ4RKwYNCQ6dW4/z+WYZ25PpDX4J+KtiRM6Etf61VEUeSka U1nUU1CzXN0NxLVial65FF7eIR+PkmKgNDHz02VOY8hhtVijFg2QiOMDHWpuJMITfO8Liv1o lXh+1LAGBx55uGK3QvmYlbiqtLECJc82ByVbRDnmFI+5R2At8L4GqTgkL0yys6WAcLb08KlJ RpM0Q4R8NgI3t0q7sVSOIFFcni4sST9oTAge0DnNh4sEZRQbuyDGe2D+1zBZKtvau+mKs/zL YZObO9s/xvJ9xCQj0CYpNlOcVnc1fHrDjEiaJbqz1fJ2EwKV2s6k38pY18iFdAgeM4vYiLWL VsKrMnGCvX5n0eo8xCwpotPZl/pE5uU2PUk3Z+Ip4GbMnnh0lfPg0sbwyX8o22OxQiqAFAvi cucnz/deKywENNRbbiCFzzyWAHe3BvvKIfsc1Mql4XuBL7zxUnB+57tA8TBEcH0AgsoQDLGJ OBxrcFDf4o2Buk2c4Voasrli2oWfU+JvS0Qb2g1CA2WIhA== Message-ID: <478f113a-b899-8db7-ae2c-8de0084c7920@plus-plus.su> Date: Thu, 8 Apr 2021 18:19:27 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1b240ba7-d285-9968-85fe-a99265b16c9c@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-SPAM-LEVEL: Spam detection results: 1 AWL 0.001 Adjusted score from AWL reputation of From: address KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment KAM_LAZY_DOMAIN_SECURITY 1 Sending domain does not have any anti-forgery methods KHOP_HELO_FCRDNS 0.399 Relay HELO differs from its IP's reverse DNS NICE_REPLY_A -0.001 Looks like a legit reply (A) SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_NONE 0.001 SPF: sender does not publish an SPF Record Subject: Re: [PVE-User] PBS and ZFS Pools Compression? X-BeenThere: pve-user@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE user list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Apr 2021 15:19:46 -0000 On 4/8/21 4:13 PM, Lindsay Mathieson wrote: > On 8/04/2021 11:12 pm, Roland wrote: >> i think it's counter productive, as you are wasting cpu for >> compress/uncompress data, > > Yah, I thought so, thanks. > I may be wrong, but AFAIK ZFS detects compressed data and thus it is not doing double-compression in such cases, so I guess there's no harm here (we also have lz4 enabled on datastore where Proxmox sends backups). Also lz4 is cheap, so I doubt it has any significant impact on modern CPUs. regards,