Christopher Meiklejohn's guest appearances

Christopher Meiklejohn

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Functional Geekery

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Nikita Shamgunov

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Summary As we scale our systems to handle larger volumes of data, geographically distributed users, and varied data sources the requirement to distribute the computational resources for managing that information becomes more pronounced. In order to ensure that all of the distributed nodes in our systems agree with each other we need to build mechanisms to properly handle replication of data and conflict resolution. In this episode Christopher Meiklejohn discusses the research he is doing with Conflict-Free Replicated Data Types (CRDTs) and how they fit in with existing methods for sharing and sharding data. He also shares resources for systems that leverage CRDTs, how you can incorporate them into your systems, and when they might not be the right solution. It is a fascinating and informative treatment of a topic that is becoming increasingly relevant in a data driven world. Preamble  Hello and welcome to the Data Engineering Podcast, the show about modern data infrastructure When you’re ready to launch your next project you’ll need somewhere to deploy it. Check out Linode at dataengineeringpodcast.com/linode and get a $20 credit to try out their fast and reliable Linux virtual servers for running your data pipelines or trying out the tools you hear about on the show. Go to dataengineeringpodcast.com to subscribe to the show, sign up for the newsletter, read the show notes, and get in touch. You can help support the show by checking out the Patreon page which is linked from the site. To help other people find the show you can leave a review on iTunes, or Google Play Music, and tell your friends and co-workers Your host is Tobias Macey and today I’m interviewing Christopher Meiklejohn about establishing consensus in distributed systems  Interview  Introduction How did you get involved in the area of data management? You have dealt with CRDTs with your work in industry, as well as in your research. Can you start by explaining what a CRDT is, how you first began working with them, and some of their current manifestations? Other than CRDTs, what are some of the methods for establishing consensus across nodes in a system and how does increased scale affect their relative effectiveness? One of the projects that you have been involved in which relies on CRDTs is LASP. Can you describe what LASP is and what your role in the project has been? Can you provide examples of some production systems or available tools that are leveraging CRDTs? If someone wants to take advantage of CRDTs in their applications or data processing, what are the available off-the-shelf options, and what would be involved in implementing custom data types? What areas of research are you most excited about right now? Given that you are currently working on your PhD, do you have any thoughts on the projects or industries that you would like to be involved in once your degree is completed?  Contact Info  Website cmeiklejohn on GitHub Google Scholar Citations  Parting Question  From your perspective, what is the biggest gap in the tooling or technology for data management today?  Links  Basho Riak Syncfree LASP CRDT Mesosphere CAP Theorem Cassandra DynamoDB Bayou System (Xerox PARC) Multivalue Register Paxos RAFT Byzantine Fault Tolerance Two Phase Commit Spanner ReactiveX Tensorflow Erlang Docker Kubernetes Erleans Orleans Atom Editor Automerge Martin Klepman Akka Delta CRDTs Antidote DB Kops Eventual Consistency Causal Consistency ACID Transactions Joe Hellerstein  The intro and outro music is from The Hug by The Freak Fandango Orchestra  / CC BY-SASupport Data Engineering Podcast

<h2>Summary</h2> <p>As we scale our systems to handle larger volumes of data, geographically distributed users, and varied data sources the requirement to distribute the computational resources for managing that information becomes more pronounced. In order to ensure that all of the distributed nodes in our systems agree with each other we need to build mechanisms to properly handle replication of data and conflict resolution. In this episode Christopher Meiklejohn discusses the research he is doing with Conflict-Free Replicated Data Types (CRDTs) and how they fit in with existing methods for sharing and sharding data. He also shares resources for systems that leverage CRDTs, how you can incorporate them into your systems, and when they might not be the right solution. It is a fascinating and informative treatment of a topic that is becoming increasingly relevant in a data driven world.</p> <h2>Preamble</h2> <ul> <li>Hello and welcome to the Data Engineering Podcast, the show about modern data infrastructure</li> <li>When you’re ready to launch your next project you’ll need somewhere to deploy it. Check out Linode at <a href="https://www.dataengineeringpodcast.com/linode?utm_source=rss&amp;utm_medium=rss" rel="nofollow" target="_blank">dataengineeringpodcast.com/linode</a> and get a $20 credit to try out their fast and reliable Linux virtual servers for running your data pipelines or trying out the tools you hear about on the show.</li> <li>Go to <a href="https://www.dataengineeringpodcast.com?utm_source=rss&amp;utm_medium=rss" rel="nofollow" target="_blank">dataengineeringpodcast.com</a> to subscribe to the show, sign up for the newsletter, read the show notes, and get in touch.</li> <li>You can help support the show by checking out the <a href="https://www.patreon.com/dataengineeringpodcast?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Patreon page</a> which is linked from the site.</li> <li>To help other people find the show you can leave a review on <a href="https://itunes.apple.com/us/podcast/data-engineering-podcast/id1193040557?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">iTunes</a>, or <a href="https://goo.gl/app/playmusic?ibi=com.google.PlayMusic&amp;isi=691797987&amp;ius=googleplaymusic&amp;link=https://play.google.com/music/m/Ivucmwlkrxbgfe5dhj562xgev4u?t%3DData_Engineering_Podcast%26pcampaignid%3DMKT-na-all-co-pr-mu-pod-16&amp;utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Google Play Music</a>, and tell your friends and co-workers</li> <li>Your host is Tobias Macey and today I’m interviewing Christopher Meiklejohn about establishing consensus in distributed systems</li> </ul> <h2>Interview</h2> <ul> <li>Introduction</li> <li>How did you get involved in the area of data management?</li> <li>You have dealt with CRDTs with your work in industry, as well as in your research. Can you start by explaining what a CRDT is, how you first began working with them, and some of their current manifestations?</li> <li>Other than CRDTs, what are some of the methods for establishing consensus across nodes in a system and how does increased scale affect their relative effectiveness?</li> <li>One of the projects that you have been involved in which relies on CRDTs is LASP. Can you describe what LASP is and what your role in the project has been?</li> <li>Can you provide examples of some production systems or available tools that are leveraging CRDTs?</li> <li>If someone wants to take advantage of CRDTs in their applications or data processing, what are the available off-the-shelf options, and what would be involved in implementing custom data types?</li> <li>What areas of research are you most excited about right now?</li> <li>Given that you are currently working on your PhD, do you have any thoughts on the projects or industries that you would like to be involved in once your degree is completed?</li> </ul> <h2>Contact Info</h2> <ul> <li><a href="http://christophermeiklejohn.com/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Website</a></li> <li><a href="https://github.com/cmeiklejohn?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">cmeiklejohn</a> on GitHub</li> <li><a href="https://scholar.google.com/citations?user=UMf6HaUAAAAJ&amp;hl=en&amp;utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Google Scholar Citations</a></li> </ul> <h2>Parting Question</h2> <ul> <li>From your perspective, what is the biggest gap in the tooling or technology for data management today?</li> </ul> <h2>Links</h2> <ul> <li><a href="http://basho.com/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Basho</a></li> <li><a href="http://basho.com/products/riak-kv/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Riak</a></li> <li><a href="https://pages.lip6.fr/syncfree/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Syncfree</a></li> <li><a href="https://lasp-lang.readme.io/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">LASP</a></li> <li><a href="https://en.wikipedia.org/wiki/Conflict-free_replicated_data_type?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">CRDT</a></li> <li><a href="https://mesosphere.com/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Mesosphere</a></li> <li><a href="https://en.wikipedia.org/wiki/CAP_theorem?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">CAP Theorem</a></li> <li><a href="http://cassandra.apache.org/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Cassandra</a></li> <li><a href="https://aws.amazon.com/dynamodb/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">DynamoDB</a></li> <li><a href="http://ieeexplore.ieee.org/document/512726/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Bayou System</a> (Xerox PARC)</li> <li><a href="https://github.com/pfrazee/crdt_notes#multi-value-register-mv-register?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Multivalue Register</a></li> <li><a href="https://en.wikipedia.org/wiki/Paxos_(computer_science)?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Paxos</a></li> <li><a href="https://raft.github.io/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">RAFT</a></li> <li><a href="https://en.wikipedia.org/wiki/Byzantine_fault_tolerance?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Byzantine Fault Tolerance</a></li> <li><a href="https://en.wikipedia.org/wiki/Two-phase_commit_protocol?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Two Phase Commit</a></li> <li><a href="https://cloud.google.com/spanner/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Spanner</a></li> <li><a href="http://reactivex.io/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">ReactiveX</a></li> <li><a href="https://www.tensorflow.org/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Tensorflow</a></li> <li><a href="https://www.erlang.org/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Erlang</a></li> <li><a href="https://www.docker.com/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Docker</a></li> <li><a href="https://kubernetes.io/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Kubernetes</a></li> <li><a href="https://github.com/SpaceTime-IoT/erleans?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Erleans</a></li> <li><a href="https://dotnet.github.io/orleans/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Orleans</a></li> <li><a href="https://atom.io/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Atom Editor</a></li> <li><a href="https://github.com/automerge/automerge?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Automerge</a></li> <li><a href="https://martin.kleppmann.com/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Martin Klepman</a></li> <li><a href="https://akka.io/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Akka</a></li> <li><a href="https://github.com/CBaquero/delta-enabled-crdts?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Delta CRDTs</a></li> <li><a href="http://syncfree.github.io/antidote/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Antidote DB</a></li> <li><a href="https://github.com/kubernetes/kops?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Kops</a></li> <li><a href="https://en.wikipedia.org/wiki/Eventual_consistency?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Eventual Consistency</a></li> <li><a href="https://en.wikipedia.org/wiki/Causal_consistency?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Causal Consistency</a></li> <li><a href="https://en.wikipedia.org/wiki/ACID?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">ACID Transactions</a></li> <li><a href="http://db.cs.berkeley.edu/jmh/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">Joe Hellerstein</a></li> </ul> <p>The intro and outro music is from <a href="http://freemusicarchive.org/music/The_Freak_Fandango_Orchestra/Love_death_and_a_drunken_monkey/04_-_The_Hug?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">The Hug</a> by <a href="http://freemusicarchive.org/music/The_Freak_Fandango_Orchestra/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">The Freak Fandango Orchestra</a>  / <a href="http://creativecommons.org/licenses/by-sa/3.0/?utm_source=rss&amp;utm_medium=rss" rel="noopener nofollow" target="_blank">CC BY-SA</a></p><p><a href="https://dataengineering.supercast.com/" rel="payment nofollow" target="_blank">Support Data Engineering Podcast</a></p>

CRDTs and Distributed Consensus with Christopher Meiklejohn - Episode 14

In this episode I talk with Christopher Meiklejohn.  We talk distributed systems, the myth of the client-server architecture, current research around distributed systems, and his research with Lasp. Our Guest, Christopher Meiklejohn @cmeik on Twitter cmeiklejohn on Github https://christophermeiklejohn.com/ Sponsors This episode is sponsored by DigitalOcean.  DigitalOcean makes it quick and easy to get up running with hosting your project.  New users use the promo code GEEKERY to get $10 credit when signing up. Announcements Code Mesh 2015 is going to take place on the 3rd and 4th of November, and listeners can use the code fngeekery10 to get 10% off when you register. RICON 2015 will take place on the 5th and 6th of November. Midwest.io will be taking place on November 9th and 10th. Midwest.io is a two-day conference, bringing together 300 developers for an eclectic collection of talks covering the latest trends, best practices, and research in the field of computing.  For more information visit http://www.midwest.io/. LambdaDays 2016 will be taking place on the 18th and 19th of February in Kraków, Poland.  The CFP and registration has opened, so make sure to visit lambdadays.org to find out more.  And make sure to use code FunkyGeekz4dWin to get 10% off registration. If you have a conference related to functional programming, contact me, and I will be happy to announce it. Topics About Christopher Meiklejohn MachineZone Université catholique de Louvain Peter Van Roy How Christopher got into Functional Programming Amazon DynamoDB paper Riak Basho Andy Gross From Ruby to Erlang: An Unexpected Journey “Being able to think about problems in multiple ways is what makes a good engineer” Looking into Haskell when coming into Functional Programming Benjamin Pierce’s Software Foundations Coq Reid Draper’s episode of Functional Geekery Making the move from Functional Programming to Distributed Systems The Erlang Runtime providing the groundwork of building distributed systems Loss of information with concurrent operations The idea of Client-Server is false assumption Convergent / Divergent talk at EmberConf Availability and Consistency are at odds “The ideas of strongly consistent systems are approximations of knowledge that exists” Interplanetary or Galactic level systems and latency Building computations of weakly consistent systems Lasp CRDTs – Distributed datastructures that are deterministic regardless of order Moving computation to the edges/clients of a system “There isn’t a client-server” “There are processes that are responsible for some data” “The true model says that the client really holds the source of truth” Removing temporal time from the system How do you treat clients that go offline? Microsoft Orleans Akka Resources for getting into distributed systems ThinkDistributed Causality and Consensus episodes CRDTs reading list Distributed Systems reading list Watch conference talks and read industrial papers for real world connections to the problem Bayou Architecture Find a problem that inspires you BOOM Bloom Peter Alvaro’s talk at Strange Loop Neal Conway’s Bloom talk Wicked Good Ruby 2013 – Bloom: A Language for Disorderly Distributed Programming Joe Hellerstein’s Ricon keynote 2012 Sean Cribs Ricon 2014 talk on Causality lasp-lang.org Christopher’s Strange Loop 2015 presentation on Lasp SyncFree Upcoming Appearances CodeMesh 2015 Ricon 2015 QCon San Fransisco 2015 As always, a giant Thank You goes to David Belcher for the logo design.

<p>In this episode I talk with Christopher Meiklejohn.  We talk distributed systems, the myth of the client-server architecture, current research around distributed systems, and his research with Lasp.</p> <h2>Our Guest, Christopher Meiklejohn</h2> <p><a href="https://twitter.com/cmeik" rel="noopener noreferrer nofollow" target="_blank">@cmeik</a> on Twitter<br/> <a href="https://github.com/cmeiklejohn" rel="noopener noreferrer nofollow" target="_blank">cmeiklejohn</a> on Github<br/> <a href="https://christophermeiklejohn.com/" rel="noopener noreferrer nofollow" target="_blank">https://christophermeiklejohn.com/</a></p> <h3>Sponsors</h3> <p>This episode is sponsored by <a href="https://www.digitalocean.com/?utm_medium=podcast&amp;utm_source=functionalgeekery&amp;utm_campaign=web" rel="noopener noreferrer nofollow" target="_blank">DigitalOcean</a>.  DigitalOcean makes it quick and easy to get up running with hosting your project.  New users use the promo code <strong>GEEKERY</strong> to get $10 credit when signing up.</p> <h3>Announcements</h3> <p>Code Mesh 2015 is going to take place on the 3rd and 4th of November, and listeners can use the code fngeekery10 to get 10% off when you <a href="http://www.codemesh.io/?utm_source=FNgeekery&amp;utm_medium=banner&amp;utm_campaign=cm15" rel="noopener noreferrer nofollow" target="_blank">register</a>.</p> <p><a href="http://ricon.io/" rel="noopener noreferrer nofollow" target="_blank">RICON 2015</a> will take place on the 5th and 6th of November.</p> <p><a href="http://Midwest.io" rel="nofollow" target="_blank">Midwest.io</a> will be taking place on November 9th and 10th. <a href="http://Midwest.io" rel="nofollow" target="_blank">Midwest.io</a> is a two-day conference, bringing together 300 developers for an eclectic collection of talks covering the latest trends, best practices, and research in the field of computing.  For more information visit <a href="http://www.midwest.io/" rel="noopener noreferrer nofollow" target="_blank">http://www.midwest.io/</a>.</p> <p>LambdaDays 2016 will be taking place on the 18th and 19th of February in Kraków, Poland.  The CFP and registration has opened, so make sure to visit <a href="http://www.lambdadays.org/" rel="noopener noreferrer nofollow" target="_blank">lambdadays.org</a> to find out more.  And make sure to use code <a href="http://www.eventbrite.com/discounts?eid=18324762859&amp;discount=177380302" rel="noopener noreferrer nofollow" target="_blank">FunkyGeekz4dWin</a> to get 10% off registration.</p> <p>If you have a conference related to functional programming, contact me, and I will be happy to announce it.</p> <h3>Topics</h3> <p>About Christopher Meiklejohn<br/> <a href="http://www.machinezone.com/" rel="noopener noreferrer nofollow" target="_blank">MachineZone</a><br/> <a href="https://www.uclouvain.be/index.html" rel="nofollow" target="_blank">Université catholique de Louvain</a><br/> <a href="https://www.info.ucl.ac.be/~pvr/" rel="nofollow" target="_blank">Peter Van Roy</a><br/> How Christopher got into Functional Programming<br/> <a href="http://www.allthingsdistributed.com/2007/10/amazons_dynamo.html" rel="noopener noreferrer nofollow" target="_blank">Amazon DynamoDB paper</a><br/> <a href="http://basho.com/products/#riak" rel="noopener noreferrer nofollow" target="_blank">Riak</a><br/> <a href="http://basho.com/" rel="noopener noreferrer nofollow" target="_blank">Basho</a><br/> <a href="https://twitter.com/argv0" rel="noopener noreferrer nofollow" target="_blank">Andy Gross</a><br/> <a href="https://www.youtube.com/watch?v=N_qJTgcvUxI" rel="noopener noreferrer nofollow" target="_blank">From Ruby to Erlang: An Unexpected Journey</a><br/> “Being able to think about problems in multiple ways is what makes a good engineer”<br/> Looking into Haskell when coming into Functional Programming<br/> <a href="http://www.cis.upenn.edu/~bcpierce/sf/current/index.html" rel="noopener noreferrer nofollow" target="_blank">Benjamin Pierce’s Software Foundations</a><br/> <a href="https://coq.inria.fr/" rel="noopener noreferrer nofollow" target="_blank">Coq</a><br/> <a href="http://www.functionalgeekery.com/episode-6-reid-draper" rel="noopener noreferrer nofollow" target="_blank">Reid Draper’s episode of Functional Geekery</a><br/> Making the move from Functional Programming to Distributed Systems<br/> The Erlang Runtime providing the groundwork of building distributed systems<br/> Loss of information with concurrent operations<br/> The idea of Client-Server is false assumption<br/> <a href="https://www.youtube.com/watch?v=qyVNG7fnubQ" rel="nofollow" target="_blank">Convergent / Divergent</a> talk at EmberConf<br/> Availability and Consistency are at odds<br/> “The ideas of strongly consistent systems are approximations of knowledge that exists”<br/> Interplanetary or Galactic level systems and latency<br/> Building computations of weakly consistent systems<br/> <a href="http://lasp-lang.org/" rel="noopener noreferrer nofollow" target="_blank">Lasp</a><br/> CRDTs – Distributed datastructures that are deterministic regardless of order<br/> Moving computation to the edges/clients of a system<br/> “There isn’t a client-server”<br/> “There are processes that are responsible for some data”<br/> “The true model says that the client really holds the source of truth”<br/> Removing temporal time from the system<br/> How do you treat clients that go offline?<br/> <a href="http://research.microsoft.com/en-us/projects/orleans/" rel="noopener noreferrer nofollow" target="_blank">Microsoft Orleans</a><br/> <a href="http://akka.io/" rel="noopener noreferrer nofollow" target="_blank">Akka</a><br/> Resources for getting into distributed systems<br/> <a href="https://soundcloud.com/thinkdistributedio" rel="noopener noreferrer nofollow" target="_blank">ThinkDistributed</a><br/> <a href="https://soundcloud.com/thinkdistributedio/causality" rel="noopener noreferrer nofollow" target="_blank">Causality</a> and <a href="https://soundcloud.com/thinkdistributedio/consensus" rel="noopener noreferrer nofollow" target="_blank">Consensus</a> episodes<br/> <a href="https://christophermeiklejohn.com/crdt/2014/07/22/readings-in-crdts.html" rel="noopener noreferrer nofollow" target="_blank">CRDTs reading list</a><br/> <a href="https://christophermeiklejohn.com/distributed/systems/2013/07/12/readings-in-distributed-systems.html" rel="noopener noreferrer nofollow" target="_blank">Distributed Systems reading list</a><br/> Watch conference talks and read industrial papers for real world connections to the problem<br/> <a href="http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.40.8955" rel="noopener noreferrer nofollow" target="_blank">Bayou Architecture</a><br/> Find a problem that inspires you<br/> <a href="http://boom.cs.berkeley.edu/" rel="noopener noreferrer nofollow" target="_blank">BOOM</a><br/> <a href="http://bloom-lang.net/research/" rel="noopener noreferrer nofollow" target="_blank">Bloom</a><br/> <a href="https://www.youtube.com/watch?v=R2Aa4PivG0g" rel="noopener noreferrer nofollow" target="_blank">Peter Alvaro’s talk at Strange Loop</a><br/> <a href="https://www.youtube.com/watch?v=HqErn9acbto" rel="noopener noreferrer nofollow" target="_blank">Neal Conway’s Bloom talk</a><br/> <a href="https://www.youtube.com/watch?v=66bU45vVF00" rel="nofollow" target="_blank">Wicked Good Ruby 2013 – Bloom: A Language for Disorderly Distributed Programming</a><br/> <a href="https://vimeo.com/53904989" rel="noopener noreferrer nofollow" target="_blank">Joe Hellerstein’s Ricon keynote 2012</a><br/> <a href="https://www.youtube.com/watch?v=HHkKPdOi-ZU" rel="noopener noreferrer nofollow" target="_blank">Sean Cribs Ricon 2014 talk on Causality</a><br/> <a href="http://lasp-lang.org/" rel="noopener noreferrer nofollow" target="_blank">lasp-lang.org</a><br/> <a href="https://www.youtube.com/watch?v=lsKaNDj4TrE" rel="noopener noreferrer nofollow" target="_blank">Christopher’s Strange Loop 2015 presentation on Lasp</a><br/> <a href="https://syncfree.lip6.fr/" rel="noopener noreferrer nofollow" target="_blank">SyncFree</a><br/> Upcoming Appearances<br/> <a href="http://www.codemesh.io/codemesh2015/christopher-meiklejohn" rel="noopener noreferrer nofollow" target="_blank">CodeMesh 2015</a><br/> <a href="http://www.ricon.io/agenda/#lasp-a-language-for-declarative-distributed-edge-computation" rel="noopener noreferrer nofollow" target="_blank">Ricon 2015</a><br/> <a href="https://qconsf.com/sf2015/presentation/brief-history-chain-replication" rel="noopener noreferrer nofollow" target="_blank">QCon San Fransisco 2015</a></p> <p>As always, a giant Thank You goes to <a href="https://twitter.com/davidjbelcher" rel="noopener noreferrer nofollow" target="_blank">David Belcher</a> for the logo design.</p>

Functional Geekery Episode 32 - Christopher Meiklejohn