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<html><head><title>2023-08-31 Codex weekly</title><meta charSet="utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta property="og:title" content="2023-08-31 Codex weekly"/><meta property="og:description" content="Codex Update August 21-31 § Client § Milestone: Block Merkelization § Storing and retrieving data using merkle trees Coders for merkle trees Refine merkle tree construction Milestone: Block Exchange protocol refinements and simulations § Tracker simulation implementation Block exchange protocol thoughts ydT3AiliS8q2vdixBUXvCQ Follow swarmsim repo for updates Milestone: Async Disc Access &amp; Threading support § Tests on sharing thread data with refc errorVariable and thread safety Fix error binding in without statement on multiple threads WIP: Prototype proxy IO threadpool Milestone: Client stability and debugging § Major effort to stabilize the Codex client through continuous automated testing Start discovery after announce address is updated Start discovery after announce address is updated Retrieve empty blocks Infra § Milestone: Monitoring and Metrics § Install Node exporter and Prometheus in Dist-Tests cluster Grafana Dashboard updates Automated metrics scraping ."/><meta property="og:image" content="https://roadmap.logos.co/static/og-image.png"/><meta property="og:width" content="1200"/><meta property="og:height" content="675"/><link rel="icon" href="../../static/icon.png"/><meta name="description" content="Codex Update August 21-31 § Client § Milestone: Block Merkelization § Storing and retrieving data using merkle trees Coders for merkle trees Refine merkle tree construction Milestone: Block Exchange protocol refinements and simulations § Tracker simulation implementation Block exchange protocol thoughts ydT3AiliS8q2vdixBUXvCQ Follow swarmsim repo for updates Milestone: Async Disc Access &amp; Threading support § Tests on sharing thread data with refc errorVariable and thread safety Fix error binding in without statement on multiple threads WIP: Prototype proxy IO threadpool Milestone: Client stability and debugging § Major effort to stabilize the Codex client through continuous automated testing Start discovery after announce address is updated Start discovery after announce address is updated Retrieve empty blocks Infra § Milestone: Monitoring and Metrics § Install Node exporter and Prometheus in Dist-Tests cluster Grafana Dashboard updates Automated metrics scraping ."/><meta name="generator" content="Logos Roadmaps"/><link rel="preconnect" href="https://fonts.googleapis.com"/><link rel="preconnect" href="https://fonts.gstatic.com"/><link href="../../index.css" rel="stylesheet" type="text/css" spa-preserve/><link href="https://cdn.jsdelivr.net/npm/katex@0.16.0/dist/katex.min.css" rel="stylesheet" type="text/css" spa-preserve/><link href="https://fonts.googleapis.com/css2?family=IBM Plex Mono&family=sans-serif:wght@400;700&family=sans-serif:ital,wght@0,400;0,600;1,400;1,600&display=swap" 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id="toc"><h3>Table of Contents</h3><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="fold"><polyline points="6 9 12 15 18 9"></polyline></svg></button><div id="toc-content"><ul class="overflow"><li class="depth-0"><a href="#codex-update-august-21-31" data-for="codex-update-august-21-31">Codex Update August 21-31</a></li><li class="depth-1"><a href="#client" data-for="client">Client</a></li><li class="depth-2"><a href="#milestone-block-merkelization" data-for="milestone-block-merkelization">Milestone: Block Merkelization</a></li><li class="depth-2"><a href="#milestone-block-exchange-protocol-refinements-and-simulations" data-for="milestone-block-exchange-protocol-refinements-and-simulations">Milestone: Block Exchange protocol refinements and simulations</a></li><li class="depth-2"><a href="#milestone-async-disc-access--threading-support" data-for="milestone-async-disc-access--threading-support">Milestone: Async Disc Access & Threading support</a></li><li class="depth-2"><a href="#milestone-client-stability-and-debugging" data-for="milestone-client-stability-and-debugging">Milestone: Client stability and debugging</a></li><li class="depth-1"><a href="#infra" data-for="infra">Infra</a></li><li class="depth-2"><a href="#milestone-monitoring-and-metrics" data-for="milestone-monitoring-and-metrics">Milestone: Monitoring and Metrics</a></li></ul></div></div></div><div class="center"><div class="page-header"><div class="popover-hint"><h1 class="article-title">2023-08-31 Codex weekly</h1><p class="content-meta">Sep 04, 2023, 1 min read</p><ul class="tags"><li><a href="../../tags/codex-updates" class="internal tag-link">#codex-updates</a></li></ul></div></div><article class="popover-hint"><h1 id="codex-update-august-21-31">Codex Update August 21-31<a aria-hidden="true" tabindex="-1" href="#codex-update-august-21-31" class="internal"> §</a></h1>
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<h2 id="client">Client<a aria-hidden="true" tabindex="-1" href="#client" class="internal"> §</a></h2>
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<h3 id="milestone-block-merkelization">Milestone: Block Merkelization<a aria-hidden="true" tabindex="-1" href="#milestone-block-merkelization" class="internal"> §</a></h3>
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<ul>
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<li><a href="https://github.com/codex-storage/nim-codex/pull/541" class="external">Storing and retrieving data using merkle trees</a></li>
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<li><a href="https://github.com/codex-storage/nim-codex/pull/519" class="external">Coders for merkle trees</a></li>
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<li><a href="https://github.com/codex-storage/nim-codex/pull/516" class="external">Refine merkle tree construction</a></li>
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</ul>
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<h3 id="milestone-block-exchange-protocol-refinements-and-simulations">Milestone: Block Exchange protocol refinements and simulations<a aria-hidden="true" tabindex="-1" href="#milestone-block-exchange-protocol-refinements-and-simulations" class="internal"> §</a></h3>
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<ul>
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<li>Tracker simulation implementation</li>
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<li>Block exchange protocol thoughts
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<ul>
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<li><a href="https://hackmd.io/ydT3AiliS8q2vdixBUXvCQ" class="external">ydT3AiliS8q2vdixBUXvCQ</a></li>
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</ul>
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</li>
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<li>Follow <a href="https://github.com/codex-storage/swarmsim" class="external">swarmsim repo</a> for updates</li>
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</ul>
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<h3 id="milestone-async-disc-access--threading-support">Milestone: Async Disc Access & Threading support<a aria-hidden="true" tabindex="-1" href="#milestone-async-disc-access--threading-support" class="internal"> §</a></h3>
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<ul>
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<li>Tests on sharing thread data with refc</li>
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<li><a href="https://github.com/codex-storage/questionable/issues/45" class="external">errorVariable and thread safety</a>
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<ul>
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<li><a href="https://github.com/codex-storage/questionable/pull/46" class="external">Fix error binding in without statement on multiple threads</a></li>
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</ul>
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</li>
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<li><a href="https://github.com/codex-storage/nim-datastore/pull/42" class="external">WIP: Prototype proxy IO threadpool</a></li>
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</ul>
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<h3 id="milestone-client-stability-and-debugging">Milestone: Client stability and debugging<a aria-hidden="true" tabindex="-1" href="#milestone-client-stability-and-debugging" class="internal"> §</a></h3>
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<ul>
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<li>Major effort to stabilize the Codex client through continuous automated testing
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<ul>
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<li><a href="https://github.com/codex-storage/nim-codex/pull/543" class="external">Start discovery after announce address is updated</a></li>
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<li><a href="https://github.com/codex-storage/nim-codex/pull/536" class="external">Start discovery after announce address is updated</a></li>
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<li><a href="https://github.com/codex-storage/nim-codex/pull/513" class="external">Retrieve empty blocks</a></li>
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</ul>
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</li>
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</ul>
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<h2 id="infra">Infra<a aria-hidden="true" tabindex="-1" href="#infra" class="internal"> §</a></h2>
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<h3 id="milestone-monitoring-and-metrics">Milestone: Monitoring and Metrics<a aria-hidden="true" tabindex="-1" href="#milestone-monitoring-and-metrics" class="internal"> §</a></h3>
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<ul>
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<li>Install Node exporter and Prometheus in Dist-Tests cluster</li>
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<li>Grafana Dashboard updates</li>
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<li>Automated metrics scraping</li>
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</ul></article></div><div class="right sidebar"><div class="graph"><h3>Graph View</h3><div class="graph-outer"><div id="graph-container" data-cfg="{"drag":true,"zoom":true,"depth":1,"scale":1.1,"repelForce":0.5,"centerForce":0.3,"linkDistance":30,"fontSize":0.6,"opacityScale":1}"></div><svg version="1.1" id="global-graph-icon" xmlns="http://www.w3.org/2000/svg" xmlnsXlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 55 55" fill="currentColor" xmlSpace="preserve"><path d="M49,0c-3.309,0-6,2.691-6,6c0,1.035,0.263,2.009,0.726,2.86l-9.829,9.829C32.542,17.634,30.846,17,29,17
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s1.794-4,4-4S33,46.794,33,49z M29,31c-3.309,0-6-2.691-6-6s2.691-6,6-6s6,2.691,6,6S32.309,31,29,31z M47,41c0,1.103-0.897,2-2,2
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