This is an automated email from the ASF dual-hosted git repository.
git-site-role pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/groovy-dev-site.git
The following commit(s) were added to refs/heads/asf-site by this push:
new 696ef46 2023/11/03 13:17:14: Generated dev website from
groovy-website@638bca8
696ef46 is described below
commit 696ef467f3dcc2bb38068c3f69757e3826d2415e
Author: jenkins <[email protected]>
AuthorDate: Fri Nov 3 13:17:14 2023 +0000
2023/11/03 13:17:14: Generated dev website from groovy-website@638bca8
---
blog/community-over-code-na-2023.html | 245 ++++++++++++++++++++++++++++--
blog/img/Clustering0.png | Bin 0 -> 78923 bytes
blog/img/Clustering1.png | Bin 0 -> 47180 bytes
blog/img/Clustering2.png | Bin 0 -> 152177 bytes
blog/img/Clustering3.png | Bin 0 -> 183884 bytes
blog/img/Clustering4.png | Bin 0 -> 252053 bytes
blog/img/IgniteRubiks1.png | Bin 0 -> 519756 bytes
blog/img/IgniteRubiks2.png | Bin 0 -> 918117 bytes
blog/img/IgniteRubiks3.png | Bin 0 -> 964392 bytes
blog/img/IgniteRubiks4.png | Bin 0 -> 1264424 bytes
blog/img/IgniteRubiks5.png | Bin 0 -> 1490483 bytes
blog/img/IgniteRubiks6.png | Bin 0 -> 1327964 bytes
blog/img/IgniteRubiks7.png | Bin 0 -> 581619 bytes
blog/img/JeffOpenSourceSoftwareAndYou.jpg | Bin 0 -> 1777248 bytes
14 files changed, 236 insertions(+), 9 deletions(-)
diff --git a/blog/community-over-code-na-2023.html
b/blog/community-over-code-na-2023.html
index 859c4f1..6ec531b 100644
--- a/blog/community-over-code-na-2023.html
+++ b/blog/community-over-code-na-2023.html
@@ -53,7 +53,7 @@
</ul>
</div>
</div>
- </div><div id='content' class='page-1'><div
class='row'><div class='row-fluid'><div class='col-lg-3'><ul
class='nav-sidebar'><li><a href='./'>Blog index</a></li><li class='active'><a
href='#doc'>Community Over Code (North America) 2023</a></li><li><a
href='#_upon_arrival' class='anchor-link'>Upon arrival</a></li><li><a
href='#_the_groovy_track' class='anchor-link'>The Groovy Track</a></li><li><a
href='#_but_wait_theres_more' class='anchor-link'>But wait, thereR [...]
+ </div><div id='content' class='page-1'><div
class='row'><div class='row-fluid'><div class='col-lg-3'><ul
class='nav-sidebar'><li><a href='./'>Blog index</a></li><li class='active'><a
href='#doc'>Community Over Code (North America) 2023</a></li><li><a
href='#_upon_arrival' class='anchor-link'>Upon arrival</a></li><li><a
href='#_the_groovy_track' class='anchor-link'>The Groovy Track</a></li><li><a
href='#_other_tracks' class='anchor-link'>Other tracks</a></li><li><a [...]
<div class="sectionbody">
<div class="paragraph">
<p>This year’s North American edition of the ASF conference, <a
href="https://communityovercode.org/";>Community Over Code</a>,
@@ -327,6 +327,9 @@ But of course, you aren’t limited to just that
list.</p>
they could use Groovy for their development or testing needs.</p>
</div>
<div class="paragraph">
+<p><span class="image right"><img
src="https://photos.apachecon.com/_data/i/upload/2023/10/12/20231012200013-649bb746-me.jpg";
alt="Jeff Scott Brown" width="200"></span></p>
+</div>
+<div class="paragraph">
<p>The next talk was by <a
href="https://www.linkedin.com/in/jeffscottbrown/";>Jeff Scott Brown</a> on
<em>Groovy for Java Developers</em>. Jeff covered a range of topics
including:</p>
</div>
@@ -570,12 +573,57 @@ class SwaggerOperator implements
ResourceReconciler<V1Swagger>{
<div class="paragraph">
<p>The next mini-theme was Groovy and Data Science. Groovy has been described
as the Python equivalent for the JVM and Groovy works well with many of the ASF
-frameworks and technologies related to data science and big data in general.
-This year the conference had a particular focus on scaling up data science,
-data and compute applications using <a
href="https://ignite.apache.org/";>Apache Ignite</a>.</p>
+frameworks and technologies related to data science and big data in
general.</p>
+</div>
+<div class="paragraph">
+<p>This year the Groovy track’s data science content had a particular
focus on
+scaling up your data science applications,
+and your data and compute applications in general,
+using <a href="https://ignite.apache.org/";>Apache Ignite</a>.</p>
+</div>
+<div class="paragraph">
+<p>The first talk was <a
href="https://speakerdeck.com/paulk/whisky-clustering-groovy-ignite";>Whisky
Clustering with Apache Groovy and Apache Ignite</a>. This was a case study
looking at how to cluster
+86 single malt scotch whiskies.</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/Clustering0.png" alt="Whiskey flavour
profiles"></span></p>
+</div>
+<div class="paragraph">
+<p>There are different algorithms that can be used to do the clustering.
+Here K-Means clustering was used.</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/Clustering1.png" alt="The k-means
algorithm"></span></p>
+</div>
+<div class="paragraph">
+<p>For this particular dataset, the number of datapoints is relatively small
+and scaling up isn’t crucial. But larger datasets would be split up in
the same way
+so we’ll look at how we’d scale this up. First we read in the
data:</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/Clustering2.png" alt="Whiskey flavour
profiles"></span></p>
</div>
<div class="paragraph">
-<p>The first talk was <a
href="https://speakerdeck.com/paulk/whisky-clustering-groovy-ignite";>Whisky
Clustering with Apache Groovy and Apache Ignite</a></p>
+<p>Apache Ignite has special features for reading in data within a cluster
environment,
+but we can get by using Apache Commons CSV for our example.</p>
+</div>
+<div class="paragraph">
+<p>If you know the K-Means algorithm, at first glance it doesn’t appear
amenable to
+distribution. To cluster points you need to calculate distances of
<em>all</em> the points
+to your centroids. Luckily, various distributed versions of the algorithm have
been
+devised and this is what is included in the <code>ignite-ml</code> library. We
just use the library
+in the same way we’d use a non-distributed version and Ignite does the
hard work for you.
+Here is the result:</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/Clustering3.png" alt="Whiskey flavour
profiles"></span></p>
+</div>
+<div class="paragraph">
+<p>There are various options we have to tweak the algorithm and various
+ways to visualize the results.</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/Clustering4.png" alt="Whiskey flavour
profiles"></span></p>
</div>
<div class="paragraph">
<p>As a side note, it is rumoured that additional extensive research on this
topic may (or may not)
@@ -584,8 +632,70 @@ have been held in conjunction with the conference. Only
because the conference w
</div>
<div class="paragraph">
<p><span class="image right"><img
src="https://photos.apachecon.com/_data/i/upload/2023/10/13/20231013192401-65a58458-cu_s9999x410.jpg";
alt="Jeremy Meyer" width="200"></span>
-The second talk was by <a
href="https://www.linkedin.com/in/jeremy-s-meyer/";>Jeremy Meyer</a>:
-<a
href="https://drive.google.com/file/d/1vjDkFmG9zz9y7yDY10ru9tya7KidJsqG/view?usp=sharing";>Scalable
Distributed Computing with Groovy Using Apache Ignite</a></p>
+The second talk was by <a
href="https://www.linkedin.com/in/jeremy-s-meyer/";>Jeremy Meyer</a> discussing
+<a
href="https://drive.google.com/file/d/1vjDkFmG9zz9y7yDY10ru9tya7KidJsqG/view?usp=sharing";>Scalable
Distributed Computing with Groovy Using Apache Ignite</a>.</p>
+</div>
+<div class="paragraph">
+<p>In this talk, Jeremy posed the question:</p>
+</div>
+<div class="quoteblock">
+<blockquote>
+What if we used the dynamic, easy to code and prototype aspects of
Groovy…​<br>
+…​with the fantastically scalable compute power of Apache
Ignite’s
+compute grid, and clever peer class loading?
+</blockquote>
+</div>
+<div class="paragraph">
+<p>For those that know Ignite, it can be used in numerous ways:</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/IgniteRubiks1.png" alt="Ignite"
width="90%"></span></p>
+</div>
+<div class="paragraph">
+<p>In this scenario, it was going to be used for distributed computing
+and the task at hand was to solve Rubik’s cubes. In this case,
+particular non-destructive corner moves of a 3x3x2 cube.</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/IgniteRubiks2.png" alt="Numbers"
width="90%"></span></p>
+</div>
+<div class="paragraph">
+<p>First up was to create a little domain model to represent the cube:</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/IgniteRubiks3.png" alt="Model"
width="90%"></span></p>
+</div>
+<div class="paragraph">
+<p>Then piece together a cluster of computers of varying skills for the
compute grid:</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/IgniteRubiks4.png" alt="Team"
width="90%"></span></p>
+</div>
+<div class="paragraph">
+<p>Or a different visualization of the machines if you’re not
+a Guardians of the Galaxy fan:</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/IgniteRubiks5.png" alt="Machines"
width="90%"></span></p>
+</div>
+<div class="paragraph">
+<p>Then code up the corner swapping algorithm:</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/IgniteRubiks6.png" alt="Algorithm"
width="90%"></span></p>
+</div>
+<div class="paragraph">
+<p>And finally get the results:</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/IgniteRubiks7.png" alt="Results"
width="90%"></span></p>
+</div>
+<div class="paragraph">
+<p>I won’t steal Jeremy’s thunder. Check out the link for details.
+But a lesson learned is that naively allocating work to machines of
+differing capabilities can sometimes yield surprising results.
+Luckily, there are various ways that compute grids job allocation
+can account for such variations.</p>
</div>
</div>
<div class="sect2">
@@ -594,20 +704,134 @@ The second talk was by <a
href="https://www.linkedin.com/in/jeremy-s-meyer/";>Jer
<p>GORM Data Services</p>
</div>
<div class="paragraph">
-<p>Open Source Software and You</p>
+<p><span class="image right"><img src="img/JeffOpenSourceSoftwareAndYou.jpg"
alt="Jeff Scott Brown" width="300"></span>
+Open Source Software and You</p>
</div>
</div>
</div>
</div>
<div class="sect1">
-<h2 id="_but_wait_theres_more">But wait, there’s more…​</h2>
+<h2 id="_other_tracks">Other tracks</h2>
<div class="sectionbody">
<div class="paragraph">
+<p>In addition to the Groovy track, the conference was full of other
fascinating content too,
+grouped into the following tracks:</p>
+</div>
+<div class="ulist">
+<ul>
+<li>
+<p>API/Microservices Track</p>
+</li>
+<li>
+<p>Big Data: Compute Track</p>
+</li>
+<li>
+<p>Big Data: Storage Track</p>
+</li>
+<li>
+<p>Cloud and Runtime Track</p>
+</li>
+<li>
+<p>Community Track</p>
+</li>
+<li>
+<p>Content Wrangling Track</p>
+</li>
+<li>
+<p>Data Engineering Track</p>
+</li>
+<li>
+<p>Fintech Track</p>
+</li>
+<li>
+<p>Frameworks Track</p>
+</li>
+<li>
+<p>Geospatial Track</p>
+</li>
+<li>
+<p>Highlights Track</p>
+</li>
+<li>
+<p>Incubator Track</p>
+</li>
+<li>
+<p>Internet of Things Track</p>
+</li>
+<li>
+<p>Performance Engineering Track</p>
+</li>
+<li>
+<p>Search Track</p>
+</li>
+<li>
+<p>Serverside Chat with ASF Infra</p>
+</li>
+<li>
+<p>Streaming Track</p>
+</li>
+<li>
+<p>Sustainability Track</p>
+</li>
+<li>
+<p>Tomcat and httpd Track</p>
+</li>
+</ul>
+</div>
+<div class="paragraph">
+<p>I did manage to see quite a few talks from some of the
+other tracks but instead of trying to summarise everything I saw,
+I’ll point you to the online content which is being linked to the
conference
+<a href="https://communityovercode.org/schedule/";>schedule</a>.</p>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_an_evening_at_the_citadel">An evening at the Citadel</h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p>The conference attendee event was an evening at the Halifax Citadel
National Historic Site.
+The Citadel is a fortification that was built (and rebuilt several times) to
+protect the city. It stands high on a hill overlooking the harbour and also has
+been a crucial communication hub at times.</p>
+</div>
+<div class="paragraph">
+<p>It is worthwhile visiting the Citadel if you are ever in Halifax.
+They have historical tours, ghost tours, daily cannon firing,
+and occasional marching and band drills. I’ll just point out one feature
+that was mentioned in the tour. The flag poles served the dual purpose of
+military and commercial signalling before the advent of electronic
telecommunications.
+Even after the invention of the telegraph, the flags have still been used
+as a tradition to earlier times.</p>
+</div>
+<div class="paragraph">
+<p>The commercial signal mast was used by the British army to communicate
marine
+traffic in the harbour to the public. Different flags would indicate the
+number and nationality of approaching ships (among other things).
+The military signal mast used a code based on flags and disks.
+Messages could be relayed to other signal posts and allowed a message
+to be sent great distances quickly. A message that might take half a day
+to deliver on horseback could be done in 30 minutes using the signal masts and
codes.</p>
+</div>
+<div class="paragraph">
<p><span class="image"><img src="img/HalifaxCitadel.png"
alt="Citadel"></span></p>
</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_but_wait_theres_more">But wait, there’s more…​</h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p>Of course, there is much more to ASF conferences than I can hope to do
justice to hear.
+There’s great people, great food, hallway conversations, a chance to
chat to the wonderful
+Infra folks. And did I say great people and great food?</p>
+</div>
<div class="paragraph">
<p><span class="image"><img src="img/HalifaxConferenceOverall.png"
alt="conference"></span></p>
</div>
+<div class="paragraph">
+<p>I hope to see you at a future ASF conference.</p>
+</div>
</div>
</div>
<div class="sect1">
@@ -620,6 +844,9 @@ In my case, this involved a weekend away at the beach.</p>
<div class="paragraph">
<p><span class="image"><img src="img/MermaidBeach.jpg" alt="Mermaid
Beach"></span></p>
</div>
+<div class="paragraph">
+<p>If you visit Australia, make sure to pop in.</p>
+</div>
</div>
</div>
<div class="sect1">
diff --git a/blog/img/Clustering0.png b/blog/img/Clustering0.png
new file mode 100644
index 0000000..23b8917
Binary files /dev/null and b/blog/img/Clustering0.png differ
diff --git a/blog/img/Clustering1.png b/blog/img/Clustering1.png
new file mode 100644
index 0000000..f14b853
Binary files /dev/null and b/blog/img/Clustering1.png differ
diff --git a/blog/img/Clustering2.png b/blog/img/Clustering2.png
new file mode 100644
index 0000000..5ca16db
Binary files /dev/null and b/blog/img/Clustering2.png differ
diff --git a/blog/img/Clustering3.png b/blog/img/Clustering3.png
new file mode 100644
index 0000000..06dc3b3
Binary files /dev/null and b/blog/img/Clustering3.png differ
diff --git a/blog/img/Clustering4.png b/blog/img/Clustering4.png
new file mode 100644
index 0000000..2c3173f
Binary files /dev/null and b/blog/img/Clustering4.png differ
diff --git a/blog/img/IgniteRubiks1.png b/blog/img/IgniteRubiks1.png
new file mode 100644
index 0000000..d1ea378
Binary files /dev/null and b/blog/img/IgniteRubiks1.png differ
diff --git a/blog/img/IgniteRubiks2.png b/blog/img/IgniteRubiks2.png
new file mode 100644
index 0000000..95e85ee
Binary files /dev/null and b/blog/img/IgniteRubiks2.png differ
diff --git a/blog/img/IgniteRubiks3.png b/blog/img/IgniteRubiks3.png
new file mode 100644
index 0000000..a9f9dbd
Binary files /dev/null and b/blog/img/IgniteRubiks3.png differ
diff --git a/blog/img/IgniteRubiks4.png b/blog/img/IgniteRubiks4.png
new file mode 100644
index 0000000..1877e05
Binary files /dev/null and b/blog/img/IgniteRubiks4.png differ
diff --git a/blog/img/IgniteRubiks5.png b/blog/img/IgniteRubiks5.png
new file mode 100644
index 0000000..ad07967
Binary files /dev/null and b/blog/img/IgniteRubiks5.png differ
diff --git a/blog/img/IgniteRubiks6.png b/blog/img/IgniteRubiks6.png
new file mode 100644
index 0000000..97ba9d6
Binary files /dev/null and b/blog/img/IgniteRubiks6.png differ
diff --git a/blog/img/IgniteRubiks7.png b/blog/img/IgniteRubiks7.png
new file mode 100644
index 0000000..e3cb38e
Binary files /dev/null and b/blog/img/IgniteRubiks7.png differ
diff --git a/blog/img/JeffOpenSourceSoftwareAndYou.jpg
b/blog/img/JeffOpenSourceSoftwareAndYou.jpg
new file mode 100644
index 0000000..74cd3df
Binary files /dev/null and b/blog/img/JeffOpenSourceSoftwareAndYou.jpg differ
![https://photos.apachecon.com/_data/i/upload/2023/10/12/20231012200013-649bb746-me.jpg"](https://photos.apachecon.com/_data/i/upload/2023/10/12/20231012200013-649bb746-me.jpg"){kind=link}
![https://photos.apachecon.com/_data/i/upload/2023/10/13/20231013192401-65a58458-cu_s9999x410.jpg"](https://photos.apachecon.com/_data/i/upload/2023/10/13/20231013192401-65a58458-cu_s9999x410.jpg"){kind=link}