The Apache Software Foundation Blog

Monday January 03, 2022

Apache in 2021 - By The Digits

During 2021 the all-volunteer Apache community has demonstrated unwavering commitment to our tenet of "Community Over Code." Highlights over the past year include —[Read More]

Apache Month in Review: December 2021

Welcome to the latest monthly overview of events from the Apache community. Here's a summary of what happened in December  [video highlights available] :

New This Month --

- Apache Month in Review: November 2021

Important Dates --

- Next Board Meeting: 19 January 2022. Board calendar and minutes

Infrastructure --

Our seven-member Infrastructure team on three continents oversees our highly-reliable, distributed network under the leadership of VP Infrastructure David Nalley and Infrastructure Administrator Greg Stein. ASF Infrastructure supports 300+ Apache projects and their communities across ~200 individual machines, 1,400+ repositories, 5-6PB in traffic annually, ~75M downloads per month, and 2-3M daily emails on 2,000+ lists. ASF Infra performs 7M+ weekly checks to ensure services are available around the clock. The average uptime in December was 99.94%.

Committer Activity --

In December, 600 Apache Committers changed 23,123,232 lines of code over 13,572 commits. The Committers with the top 5 highest contributions, in order, were: Gary Gregory, Claus Ibsen, Jean-Baptiste Onofré, Harikrishna Patnala, and Andi Huber.

Project Releases and Updates --
New releases from Apache Airflow (Workflow); APISIX (API); Archiva (Build Management); Calcite (Big Data); Camel (Integration); Daffodil (Libraries); DolphinScheduler (Workflow); Druid (Big Data); Flink (Big Data); Fortress (Identity Management); Geode (Database); Groovy (Programming Languages); HBase (Big Data); HttpComponents (Servers); HTTP Server (Servers); Ignite (Big Data); IoTDB (IoT); Jackrabbit (Content); James (Mail); JMeter (Testing); JSPWiki (Content); Karaf (Application Servers/Middleware); Kyuubi (Incubating; Big Data); Log4j (Libraries); Lucene (Search); MXNet (Incubating; Libraries); NetBeans (Integrated Development Environment); NiFi (Big Data); OFBiz (Enterprise Processes Automation / ERP); Parquet (Big Data); PDFBox (Content); PLC4X (IoT); Pulsar (Messaging); Qpid (Messaging); Skywalking (Application Performance Management); Solr (Search); Struts (Web Frameworks); Tika (Big Data); Tomcat (Servers); Traffic Control (Servers); Wicket (Web Frameworks); and XMLBeans (Library).

Apache Project Anniversaries in December: Apache Portable Runtime (APR; 21 years); Logging Services (18 years); Cayenne and OFBiz (15 years); Synapse (14 years); Camel (13 years); Axis, OpenWebBeans, Pivot (12 years); Aries (11 years); Flex (9 years); Helix (8 years); Flink (7 years); Beam (5 years); Airflow (3 years); Druid (2 years); DataSketches (1 year); ECharts (1 year); and Mnemonic (1 year). Many happy returns!

The Apache Incubator is the primary entry path for projects wishing to become an official part of the ASF. More than three dozen projects are currently undergoing development in the Apache Incubator.

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To see our Weekly News Round-ups (published every Friday), visit and click on the calendar or hop directly to . For real-time updates, sign up for Apache-related news by sending mail to and follow @TheASF on Twitter. We appreciate your support!

The Apache Weekly News Round-up: week ending 31 December 2021

Here we are --the last day of the year-- we wish everyone a happy new year. Thank you for your dedicated readership: below is our final weekly round-up for 2021; we'll be back in your inbox in 2022:

ASF Board – management and oversight of the business affairs of the corporation in accordance with the Foundation's bylaws.
 - Next Board Meeting: 19 January 2022. Board calendar and minutes

ASF Infrastructure – our distributed team on three continents keeps the ASF's infrastructure running around the clock.
 - 7M+ weekly checks yield uptime at 100.00%. Performance checks across 50 different service components spread over more than 250 machines in data centers around the world. View the ASF's Infrastructure Uptime site to see the most recent averages.

Apache Code Snapshot – Over the past week, 183 Apache Committers changed 8,306,446 lines of code over 2,124 commits. Top 5 contributors, in order, are: Gary Gregory, Claus Ibsen, Michael Osipov, Jacques Le Roux, and Tilman Hausherr.

Apache Project Announcements – the latest updates by category.

Application Servers/Middleware --
 - Apache Karaf runtime 4.2.14 and 4.3.5 released 

Big Data --
 - Apache XMLBeans 5.0.3 released

IoT --
 - Apache IoTDB 0.12.4 released 

Eventing --
 - Apache EventMesh (incubating) 1.3.0 released 

Libraries --
 - Apache Log4j 2.3.2 and 2.12.4 released 

Messaging -- 
 - Apache Qpid ProtonJ2 1.0.0-M4 released
 - Apache Pulsar 2.7.4 released

Observability --
 - Apache SkyWalking Nginx LUA 0.6.0 and Satellite 0.5.0 released 

Programming Languages --
 - Apache Groovy 4.0.0-rc-2 released

Testing --
 - Apache JMeter 5.4.3 released

Did You Know?

 - Did you know that the latest details on Apache Log4j vulnerabilities are available on the Apache Logging Services security page?

 - Did you know that dozens of organizations such as Amazon, AT&T, Facebook (Meta), Uber, and Zillow use Apache Sedona (incubating) for their geospatial data processing pipelines? 

 - Did you know that tax-deductible donations support the ASF's day-to-day operations that benefit 350+ Apache Projects and their communities? Donate online using ACH, credit card, PayPal, Apple Pay, Google Pay, and Microsoft Pay

Apache Community Notices

 - The Apache Month in Review: November 2021 and video highlights

 - Watch "Trillions and Trillions Served", the documentary on the ASF 1) full feature [49 min] 2) "Apache Everywhere" [6 min] 3) "Why Apache" [2.5 min] 4) “Apache Innovation” [40 min] 

 - ASF Annual Report: FY2021 -- Press release and Report (PDF)

 - The Apache Way to Sustainable Open Source Success 

 - Foundation Reports and Statements

 - Presentations from 2021's ApacheCon Asia and ApacheCon@Home are available on the ASF YouTube channel.

 - "Success at Apache" focuses on the people and processes behind why the ASF "just works." 

 - Inside Infra: the new interview series with members of the ASF infrastructure team --meet 
    Chris Thistlethwaite
    Drew Foulks
    Greg Stein Part I
      ...Part II and Part III
    Daniel Gruno Part I and Part II
    Gavin McDonald Part I and Part II
    Andrew Wetmore Part I and Part II
    Chris Lambertus Part I  and Part II

 - Follow the ASF on social media: @TheASF on Twitter and The ASF page LinkedIn

 - Follow the Apache Community on Facebook and Twitter

 - Are your software solutions Powered by Apache? Download & use our "Powered By" logos.

Stay updated about The ASF

For real-time updates, sign up for Apache-related news by sending mail to and follow @TheASF on Twitter. For a broader spectrum from the Apache community, provides an aggregate of Project activities as well as the personal blogs and tweets of select ASF Committers.



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