- From: David McDonell <david@iconicloud.com>
- Date: Thu, 20 Jun 2019 08:31:00 -0400
- To: Marco Neumann <marco.neumann@gmail.com>
- Cc: Henry Story <henry.story@bblfish.net>, Zachary Whitley <zachary.whitley@gmail.com>, semantic-web <semantic-web@w3.org>
- Message-ID: <CAHkDNTDdYdZ9M-bwe9gXrGHhPm5in6VRxRkJqPvjHfD_NFgR7Q@mail.gmail.com>
Maybe add a carbon tax to bitcoin (and Libra) to correct currency value? https://www.economist.com/the-economist-explains/2018/07/09/why-bitcoin-uses-so-much-energy On Thu, Jun 20, 2019 at 8:16 AM David McDonell <david@iconicloud.com> wrote: > Don’t know about that. > > Here’s a report that adds more detail: > > https://eta.lbl.gov/publications/united-states-data-center-energy > > > On Thu, Jun 20, 2019 at 5:29 AM Marco Neumann <marco.neumann@gmail.com> > wrote: > >> now double that with libra. Is there a power estimation tool (like >> PowerTop for linux) that converts generalized compute cycles into power >> consumption or vice versa for bitcoin or are these numbers just based on >> estimated up-time and power usage of data centers? >> >> >> On Thu, Jun 20, 2019 at 12:54 AM Henry Story <henry.story@bblfish.net> >> wrote: >> >>> Bitcoin itself uses up 67.3 TWh, more than Switzerland and less than the >>> Czech Republic >>> according to this page >>> https://digiconomist.net/bitcoin-energy-consumption >>> >>> Trying to reach global consensus is expensive. >>> Linked Data allows local consensus, which is much cheaper. >>> >>> >>> On 19 Jun 2019, at 23:09, David McDonell <david@iconicloud.com> wrote: >>> >>> And here’s a frothy commercial sector industry report on data center >>> concentration (including AWS) in N.Virginia (DC metro area) citing MWattage >>> consumption numbers, drawn from standard grid sources: >>> >>> >>> https://www.datacenterknowledge.com/amazon/why-northern-virginia-data-center-market-bigger-most-realize >>> >>> Point is, carbon efficiency has to address the backbone infrastructure >>> dimension; edge/end-user profiles are feel-good but dwarfed in comparison. >>> >>> On Wed, Jun 19, 2019 at 4:57 PM David McDonell <david@iconicloud.com> >>> wrote: >>> >>>> I think those latter three G-locations have abundant nuke power from >>>> the ‘local’ grid; whole different set of issues there;-) >>>> >>>> On Wed, Jun 19, 2019 at 12:06 PM Marco Neumann <marco.neumann@gmail.com> >>>> wrote: >>>> >>>>> I like the way Google is going almost carbon neutral here in Hamina >>>>> Finland by way of using cold seawater to cool systems. I hope they will >>>>> also hook up the onsite sauna* to use excess HPC heat soon ;) >>>>> >>>>> I am still surprised they continue to run supercomputer clusters in >>>>> places like Texas (Frontera), Tennessee (Summit) and Livermore, CA (Sierra) >>>>> >>>>> >>>>> https://medium.com/arcticstartup-news/saunas-to-use-data-centres-excess-heat-c552e70946b >>>>> >>>>> >>>>> On Wed, Jun 19, 2019 at 2:17 PM David McDonell <david@iconicloud.com> >>>>> wrote: >>>>> >>>>>> Thought this might be of relevance to the discussion, re global data >>>>>> infrastructures (from my LinkedIn feed): >>>>>> >>>>>> >>>>>> https://www.digitalinformationworld.com/2019/06/the-world-s-most-creative-data-centers-infographic.html >>>>>> >>>>>> On Tue, Jun 18, 2019 at 6:34 AM Marco Neumann < >>>>>> marco.neumann@gmail.com> wrote: >>>>>> >>>>>>> While we in the Semantic Web / Linked Data community don't seem to >>>>>>> fall into the category of worst offenders in energy consumption, (I am just >>>>>>> looking at the forecast and data traffic breakdown on the internet[1] and >>>>>>> the remarks made by the data-centre expert in Cheltenham[2] that digital >>>>>>> mobile camera phone sobriety could reduce data traffic in Europe by 40% >>>>>>> immediately) current federated SPARQL queries seem to be less efficient >>>>>>> than one would have hoped for 20 years ago.[3] You are probably doing more >>>>>>> for your carbon footprint by turning off your monitor completely rather >>>>>>> than leaving it in stand-by mode [4] than by optimizing your federated >>>>>>> SPARQL queries or going way of Solid Pods. It seems to be still difficult >>>>>>> to estimate the number of deployed SPARQL solutions in industry and their >>>>>>> footprint in terms of resource allocation. One of the best known projects >>>>>>> but still heavily centralized SPARQL services the wikidata WDQS has a >>>>>>> rather modest footprint if you go by the numbers published recently [5]. >>>>>>> >>>>>>> Still and since this is my subject interest here the support and >>>>>>> implementation for federated SPARQL query solutions is surprisingly >>>>>>> underdeveloped [3] . Looking forward to learn more about updates here from >>>>>>> QuWeDa 2019 [6] >>>>>>> >>>>>>> [1] >>>>>>> https://www.cisco.com/c/en/us/solutions/collateral/service-provider/visual-networking-index-vni/white-paper-c11-741490.html >>>>>>> [2] https://www.nature.com/articles/d41586-018-06610-y >>>>>>> [3] https://svn.aksw.org/papers/2017/FedEval-summary/public.pdf >>>>>>> [4] >>>>>>> https://www.energuide.be/en/questions-answers/how-much-power-does-a-computer-use-and-how-much-co2-does-that-represent/54/ >>>>>>> [5] >>>>>>> https://wikitech.wikimedia.org/wiki/Wikidata_query_service/ScalingStrategy >>>>>>> [6] https://sites.google.com/site/quweda2019/home >>>>>>> >>>>>>> >>>>>>> On Mon, Jun 17, 2019 at 8:31 PM Zachary Whitley < >>>>>>> zachary.whitley@gmail.com> wrote: >>>>>>> >>>>>>>> I wanted to add some perspective. The principal components of >>>>>>>> aluminum refining are electricity and carbon and takes a significant amount >>>>>>>> of electricity and produces large amounts of greenhouse gasses. Most of the >>>>>>>> electricity consumed is produced by coal. Yes, we should be concerned about >>>>>>>> energy consumption for computing but I wouldn't be surprised if you would >>>>>>>> save more electricity and produce fewer greenhouse gasses by *expending* >>>>>>>> computing resources on making aluminum production and recycling more >>>>>>>> efficient. >>>>>>>> >>>>>>>> [1] https://en.wikipedia.org/wiki/Aluminium_smelting >>>>>>>> [2] >>>>>>>> http://www.world-aluminium.org/statistics/primary-aluminium-smelting-power-consumption/#histogram >>>>>>>> >>>>>>>> On Mon, Jun 17, 2019 at 3:09 PM Steffen Staab < >>>>>>>> staab@uni-koblenz..de <staab@uni-koblenz.de>> wrote: >>>>>>>> >>>>>>>>> I don’t believe that a case can be made for physically >>>>>>>>> decentrallized p2p being more energy efficient. >>>>>>>>> >>>>>>>>> 1. Compute centers can be placed where energy is cheap and cooling >>>>>>>>> inexpensive. >>>>>>>>> Indeed this has been done a lot. >>>>>>>>> >>>>>>>>> 2. Cooling reduces energy needs. Generated warmth could even be >>>>>>>>> re-used. Not thinkable for a DSL-box. >>>>>>>>> >>>>>>>>> 3. Modern CPUs use less energy when unused. There is less need to >>>>>>>>> re-use unnecessary compute cycles >>>>>>>>> in DSL boxes (well, I guess these modern CPUs are only in laptops >>>>>>>>> so far - still). >>>>>>>>> >>>>>>>>> 4. decentralized energy production is good. Globally, however, >>>>>>>>> people increasingly live in cities. This is not where most >>>>>>>>> energy is or will be produced (though it can become more than >>>>>>>>> today). >>>>>>>>> >>>>>>>>> For sure, there is a lot of fruitful, middle ground between going >>>>>>>>> for DSL boxes vs all using the same centralized compute center. >>>>>>>>> I don’t believe in the extremely decentralized scenarios very much. >>>>>>>>> >>>>>>>>> Steffen >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> Am 17.06.2019 um 17:38 schrieb Henry Story < >>>>>>>>> henry.story@bblfish.net>: >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> On 17 Jun 2019, at 01:14, Marco Neumann <marco.neumann@gmail.com> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>> I would agree Henry. I think p2p networks are provably more cost >>>>>>>>> efficient than centralized services in particular for small data providers. >>>>>>>>> I think there now could be made a case with regards to energy efficiency. >>>>>>>>> Taking your example of underused resources I would not be surprised to >>>>>>>>> finding big tech already taking advantage of this network infrastructure of >>>>>>>>> the underutilized nodes (aka your browser) rather than benefiting the >>>>>>>>> individual end-users directly. >>>>>>>>> >>>>>>>>> >>>>>>>>> also good point with regards to using local resources, similar to >>>>>>>>> modern energy networks where most of the budget is not consumed by its >>>>>>>>> production but its transportation, storage and infrastructure. >>>>>>>>> >>>>>>>>> Is there work on p2p search for solid pods underway? I need to >>>>>>>>> look at HTTP/2 and solid pods more closely I guess. my pod on >>>>>>>>> solid.community is currently not in a good shape and I am not really having >>>>>>>>> the feeling of being in control of my own data. Is it more advisable to run >>>>>>>>> my own solid pod? >>>>>>>>> >>>>>>>>> https://neumann.solid.community/public/ >>>>>>>>> >>>>>>>>> >>>>>>>>> It depends on how much you want to involve yourself in these early >>>>>>>>> stages. >>>>>>>>> >>>>>>>>> In 1993 I installed Linux on my father’s 40Mhz Laptop to see how >>>>>>>>> well it fared, >>>>>>>>> but it required quite a lot of knowledge to do that. Now everybody >>>>>>>>> runs Linux >>>>>>>>> on their phone and calls it Android. >>>>>>>>> >>>>>>>>> At this point the cloud version would be less work to get going I >>>>>>>>> guess :-) >>>>>>>>> >>>>>>>>> I think of the web when deployed on individual instances as peer >>>>>>>>> to peer, >>>>>>>>> and with Solid it really is so, since for example you >>>>>>>>> authenticating to a server, >>>>>>>>> requires the Guard to become a client to fetch data from another >>>>>>>>> server. >>>>>>>>> Each node can be in one and the other role at different times - >>>>>>>>> which is not >>>>>>>>> to say that some nodes like browsers won’t specialize. >>>>>>>>> >>>>>>>>> P2P file sharing with duplication of content across nodes should >>>>>>>>> really be >>>>>>>>> named something else, more like distributed content sharing. >>>>>>>>> Adding such features >>>>>>>>> on Solid pods would be possible, but I think they are trying to >>>>>>>>> restrict to keep focus. >>>>>>>>> Adding it the right way - with RDF data to link to other copies on >>>>>>>>> other pods - would >>>>>>>>> be a nice research project. Perhaps the most important place to >>>>>>>>> add that for >>>>>>>>> Solid servers would be as distributed (encrypted) backups of one's >>>>>>>>> pod on friends pods. >>>>>>>>> >>>>>>>>> Henry >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> On Sun, Jun 16, 2019 at 5:25 PM Henry Story < >>>>>>>>> henry.story@bblfish..net <henry.story@bblfish.net>> wrote: >>>>>>>>> >>>>>>>>>> My guess is that such studies have not been done, mostly because >>>>>>>>>> widespread >>>>>>>>>> deployment as would happen if Solid became widespread has not >>>>>>>>>> happened >>>>>>>>>> yet. >>>>>>>>>> >>>>>>>>>> But there are some reasons one could be optimistic. >>>>>>>>>> >>>>>>>>>> 1. everyone has a DSL box at home currently that is on and not >>>>>>>>>> doing much >>>>>>>>>> a lot of the day, so consuming energy for nothing. Instead with >>>>>>>>>> Solid Pods >>>>>>>>>> those would be doing something useful, and could use electricity >>>>>>>>>> from solar >>>>>>>>>> energy produced locally. So you don’t increase local electricity >>>>>>>>>> costs >>>>>>>>>> that much, you can use locally produced electricity, but you >>>>>>>>>> increase some >>>>>>>>>> consumption of data. >>>>>>>>>> >>>>>>>>>> 2. It is likely that most people communicate with local friends, >>>>>>>>>> and in >>>>>>>>>> most case don’t cross frontiers due to language barriers. This >>>>>>>>>> may not be >>>>>>>>>> the case for the W3C community, but for the wider populations >>>>>>>>>> this is a >>>>>>>>>> lot more likely. So in a way Solid pods communicating with local >>>>>>>>>> friends >>>>>>>>>> would use less energy, since packets would not need to be sent >>>>>>>>>> around the >>>>>>>>>> world. >>>>>>>>>> >>>>>>>>>> 3. There are a lot of optimization strategies that can be made by >>>>>>>>>> having >>>>>>>>>> widely deployed pods. For example used in p2p networks, by >>>>>>>>>> fetching copies >>>>>>>>>> of data heavy media in the nearest cache. >>>>>>>>>> >>>>>>>>>> 4. With the internet of things growing, having the packets stay >>>>>>>>>> as far as >>>>>>>>>> required in the home rather than go to large service providers, >>>>>>>>>> should >>>>>>>>>> also improve data costs as well as privacy. That is the role of a >>>>>>>>>> local DSL >>>>>>>>>> box turned into a data pod is in any case going to grow in >>>>>>>>>> importance, so >>>>>>>>>> one may as well use this growing infrastructure. >>>>>>>>>> >>>>>>>>>> Since producing energy locally is more efficient, and >>>>>>>>>> communicating locally >>>>>>>>>> when that is needed is better, there are reasons to think that >>>>>>>>>> some of >>>>>>>>>> the advantages of large providers may be offset in other ways. >>>>>>>>>> That is >>>>>>>>>> without counting the huge improvements in efficiency in >>>>>>>>>> communication >>>>>>>>>> that come with HTTP2, reactive frameworks, and cpu efficiencies. >>>>>>>>>> >>>>>>>>>> Henry >>>>>>>>>> >>>>>>>>>> > On 16 Jun 2019, at 12:41, Marco Neumann < >>>>>>>>>> marco.neumann@gmail.com> wrote: >>>>>>>>>> > >>>>>>>>>> > Has anybody done work on Carbon Efficiency of Semantic Web and >>>>>>>>>> Linked Data Queries? >>>>>>>>>> > >>>>>>>>>> > The very nature of distributed data sets has to come with a >>>>>>>>>> substantial computational footprint every time a query is issued to a >>>>>>>>>> single node or a cluster of nodes for a federated query. On the other hand >>>>>>>>>> decentralization might actually outperform more centralized services in the >>>>>>>>>> future. >>>>>>>>>> > >>>>>>>>>> > I can find a number of papers and articles related to carbon >>>>>>>>>> efficiency in general computing and cloud computing environments and data >>>>>>>>>> centers but nothing specifically related to the improvement of operational >>>>>>>>>> efficiency introduced by Semantic Web and Linked Data infrastructures. >>>>>>>>>> > >>>>>>>>>> > There is CO2GLE which attempts to estimate the CO2 emissions >>>>>>>>>> per second released by web search engines like Google as a reference here: >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> https://qz.com/1267709/every-google-search-results-in-co2-emissions-this-real-time-dataviz-shows-how-much/ >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > Regards, >>>>>>>>>> > Marco >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > -- >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > --- >>>>>>>>>> > Marco Neumann >>>>>>>>>> > KONA >>>>>>>>>> > >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>> >>>>>>> -- >>>>>>> >>>>>>> >>>>>>> --- >>>>>>> Marco Neumann >>>>>>> KONA >>>>>>> >>>>>>> -- >>>>>> David McDonell Co-founder & CEO ICONICLOUD, Inc. "Illuminating the >>>>>> cloud" M: 703-864-1203 EM: david@iconicloud.com URL: >>>>>> http://iconicloud.com >>>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> >>>>> --- >>>>> Marco Neumann >>>>> KONA >>>>> >>>>> -- >>>> David McDonell Co-founder & CEO ICONICLOUD, Inc. "Illuminating the >>>> cloud" M: 703-864-1203 EM: david@iconicloud.com URL: >>>> http://iconicloud.com >>>> >>> -- >>> David McDonell Co-founder & CEO ICONICLOUD, Inc. "Illuminating the >>> cloud" M: 703-864-1203 EM: david@iconicloud.com URL: >>> http://iconicloud.com >>> >>> >>> >> >> -- >> >> >> --- >> Marco Neumann >> KONA >> >> -- > David McDonell Co-founder & CEO ICONICLOUD, Inc. "Illuminating the cloud" > M: 703-864-1203 EM: david@iconicloud.com URL: http://iconicloud.com > -- David McDonell Co-founder & CEO ICONICLOUD, Inc. "Illuminating the cloud" M: 703-864-1203 EM: david@iconicloud.com URL: http://iconicloud.com
Received on Thursday, 20 June 2019 12:36:42 UTC