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| <h1>Apache Cassandra Changelog #3</h1> |
| <h3>January 19, 2021 | The Apache Cassandra Community</h3> |
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| <img src="../_images/blog/changelog_header.jpg" alt="Apache Cassandra Changelog"> |
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| <div class="paragraph"> |
| <p>Our monthly roundup of key activities and knowledge to keep the community informed.</p> |
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| </div> |
| <div class="sect1"> |
| <h2 id="release-notes"><a class="anchor" href="#release-notes"></a>Release Notes</h2> |
| <div class="sectionbody"> |
| <div class="sect2"> |
| <h3 id="released"><a class="anchor" href="#released"></a>Released</h3> |
| <div class="paragraph"> |
| <p>Apache Cassandra <a href="https://www.apache.org/dyn/closer.lua/cassandra/4.0-beta4/apache-cassandra-4.0-beta4-bin.tar.gz" target="_blank" rel="noopener">4.0-beta4</a> (<a href="https://downloads.apache.org/cassandra/4.0-beta4/apache-cassandra-4.0-beta4-bin.tar.gz.asc" target="_blank" rel="noopener">pgp</a>, <a href="https://downloads.apache.org/cassandra/4.0-beta4/apache-cassandra-4.0-beta4-bin.tar.gz.sha256" target="_blank" rel="noopener">sha256</a> and <a href="https://downloads.apache.org/cassandra/4.0-beta4/apache-cassandra-4.0-beta4-bin.tar.gz.sha512" target="_blank" rel="noopener">sha512</a>) was released on December 30. Please pay attention to <a href="https://gitbox.apache.org/repos/asf?p=cassandra.git;a=blob_plain;f=CHANGES.txt;hb=refs/tags/cassandra-4.0-beta4" target="_blank" rel="noopener">release notes</a> and let the community know if you encounter problems.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Join the Cassandra <a href="../community.html#discussions" class="page" target="_blank" rel="noopener">mailing list</a> to stay updated.</p> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="changed"><a class="anchor" href="#changed"></a>Changed</h3> |
| <div class="paragraph"> |
| <p>The current status of Cassandra 4.0 GA can be viewed on this <a href="https://issues.apache.org/jira/secure/RapidBoard.jspa?rapidView=355&quickFilter=1661" target="_blank" rel="noopener">Jira board</a> (ASF login required). RC is imminent with testing underway. Read the latest summary from the community <a href="https://lists.apache.org/thread.html/r0caf3bc4c3d5b2ef2a9cc299b65a13ce55fa925ceeb404c986809839%40%3Cdev.cassandra.apache.org%3E" target="_blank" rel="noopener">here</a>.</p> |
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| <div class="sect1"> |
| <h2 id="community-notes"><a class="anchor" href="#community-notes"></a>Community Notes</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p><em>Updates on Cassandra Enhancement Proposals (CEPs), how to contribute, and other community activities.</em></p> |
| </div> |
| <div class="sect2"> |
| <h3 id="added"><a class="anchor" href="#added"></a>Added</h3> |
| <div class="paragraph"> |
| <p>The Cassandra community welcomed one new PMC member and five new committers in 2020! Congratulations to <strong>Mick Semb Wever</strong> who joined the PMC and <strong>Jordan West</strong>, <strong>David Capwell</strong>, <strong>Zhao Yang</strong>, <strong>Ekaterina Dimitrova</strong>, and <strong>Yifan Cai</strong> who accepted invitations to become Cassandra committers!</p> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="changed-2"><a class="anchor" href="#changed-2"></a>Changed</h3> |
| <div class="paragraph"> |
| <p>The Kubernetes SIG is discussing how to extend the group’s scope beyond the operator, as well as sharing an update on current operator merge efforts in the latest meeting. Watch <a href="https://www.youtube.com/watch?v=3X0Ulor3THU&feature=youtu.be" target="_blank" rel="noopener">here</a>.</p> |
| </div> |
| <div class="imageblock"> |
| <div class="content"> |
| <a class="image" href="https://www.youtube.com/watch?v=3X0Ulor3THU&t=135s" target="_blank" rel="noopener"><img src="https://i.ytimg.com/vi/3X0Ulor3THU/sddefault.jpg" alt="sddefault"></a> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="user-space"><a class="anchor" href="#user-space"></a>User Space</h2> |
| <div class="sectionbody"> |
| <div class="sect2"> |
| <h3 id="keen-io"><a class="anchor" href="#keen-io"></a>Keen.io</h3> |
| <div class="paragraph"> |
| <p>Under the covers, Keen leverages Kafka, Apache Cassandra NoSQL database and the Apache Spark analytics engine, adding a RESTful API and a number of SDKs for different languages. Keen enriches streaming data with relevant metadata and enables customers to stream enriched data to Amazon S3 or any other data store. - <a href="https://siliconangle.com/2020/10/09/data-firehose-next-generation-streaming-technologies-goes-cloud-native/" target="_blank" rel="noopener">Keen.io</a></p> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="monzo"><a class="anchor" href="#monzo"></a>Monzo</h3> |
| <div class="paragraph"> |
| <p>Suhail Patel explains how Monzo prepared for the recent crowdfunding (run entirely through its app, using the very same platform that runs the bank) which saw more than 9,000 people investing in the first five minutes. He covers Monzo’s microservice architecture (on Go and Kubernetes) and how they profiled and optimized key platform components such as Cassandra and Linkerd. - <a href="https://www.infoq.com/presentations/monzo-microservices-arch/" target="_blank" rel="noopener">Suhil Patel</a></p> |
| </div> |
| <div class="paragraph"> |
| <p><em>Do you have a Cassandra case study to share? Email <a href="mailto:cassandra@constantia.io">cassandra@constantia.io</a></em>.</p> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="in-the-news"><a class="anchor" href="#in-the-news"></a>In the News</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>ZDNet: <a href="https://www.zdnet.com/article/meet-stargate-datastaxs-graphql-for-databases-first-stop-cassandra/" target="_blank" rel="noopener">Meet Stargate</a></p> |
| </div> |
| <div class="paragraph"> |
| <p>CIO: <a href="https://www.cio.com/article/3601191/its-a-good-day-to-corral-data-sprawl.html" target="_blank" rel="noopener">It’s a good day to corral data sprawl</a></p> |
| </div> |
| <div class="paragraph"> |
| <p>TechTarget: <a href="https://searchdatamanagement.techtarget.com/news/252493551/Stargate-API-brings-GraphQL-to-Cassandra-Database" target="_blank" rel="noopener">Stargate API brings GraphQL to Cassandra database</a></p> |
| </div> |
| <div class="paragraph"> |
| <p>ODBMS: <a href="http://www.odbms.org/2020/12/on-the-cassandra-4-0-beta-release-qa-with-ekaterina-dimitrova-apache-cassandra-contributor/" target="_blank" rel="noopener">On the Cassandra 4.0 beta release. Q&A with Ekaterina Dimitrova</a></p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="cassandra-tutorials-more"><a class="anchor" href="#cassandra-tutorials-more"></a>Cassandra Tutorials & More</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p><a href="https://www.confessionsofadataguy.com/intro-to-apache-cassandra-for-data-engineers/" target="_blank" rel="noopener">Intro to Apache Cassandra for Data Engineers</a> - Daniel Beach, Confessions of a Data Guy</p> |
| </div> |
| <div class="paragraph"> |
| <p><a href="https://thelastpickle.com/blog/2020/12/17/impacts-of-many-columns-in-cassandra-table.html" target="_blank" rel="noopener">Impacts of many columns in a Cassandra table</a> - Alex Dejanovski, The Last Pickle</p> |
| </div> |
| <div class="paragraph"> |
| <p><a href="https://medium.com/flant-com/migrating-cassandra-between-kubernetes-clusters-ae4ab4ada028" target="_blank" rel="noopener">Migrating Cassandra from one Kubernetes cluster to another without data loss</a> - Flant staff</p> |
| </div> |
| <div class="paragraph"> |
| <p><a href="https://www.deep.bi/blog/real-time-stream-analytics-and-user-scoring-using-apache-flink-druid-cassandra-at-deep-bi" target="_blank" rel="noopener">Real-time Stream Analytics and User Scoring Using Apache Druid</a> - Hisham Itani, Deep.BI</p> |
| </div> |
| <div class="paragraph"> |
| <p>User thread: <a href="https://lists.apache.org/thread.html/rb92c715974408a19961733d6b744c36e100280259b1c6ecbc607c5fd%40%3Cuser.cassandra.apache.org%3E" target="_blank" rel="noopener">Network Bandwidth and Multi-DC replication</a> (Login required)</p> |
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