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A Novice’s Journey into Machine Learning: Vol 3
Welcome back to our ongoing series where I document a novice’s journey into the world of machine learning, mine. In our first article we started at the very basics of machine learning and investigated the various technologies and tutorials that exist out there. In Volume 2 we narrowed our search to find a machine learning model most...
Learn MoreJohn Del Castillo
August 18, 2023 -
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A Novice’s Journey Into Machine Learning: Vol 2
(Source: John Del Castillo) Previously on the Machine Learning Series: This is the second article in our ongoing series exploring the machine learning landscape. In our previous article, we Looked at the landscape of machine learning frameworks Settled on using TensorFlow in Python for our maiden voyage Set a goal for ourselves—to use the vast...
Learn MoreJohn Del CastilloJune 30, 2023 -
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Monitoring at Scale, Vol. 6: Reducing Apache Cassandra® Disk Usage via Schema Optimization
Monitoring at Scale Series In this series of blogs, explore the various ways we pushed our metrics pipeline—mainly our Apache Cassandra® cluster named Instametrics—to the limit, and how we went about reducing the load it was experiencing on a daily basis over the course of several years. Beginning in 2015 and up until now, discover...
Learn MoreJohn Del CastilloJune 14, 2023 -
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A Novice’s Journey into Machine Learning, Volume 1
Setting the Scene I was born in the 80’s and growing up I lived through many defining events: multiple financial crises (ongoing), the explosion and decline of Facebook, the birth of the iPhone, and the rise of the CAPTCHA, to name a few. That last one isn’t as sexy as the iPhone, I admit. Although...
Learn MoreJohn Del CastilloApril 18, 2023 -
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PostgreSQL® ORDER BY
In this article we are going to learn how to use the ORDER BY clause in PostgreSQL® to sort the results from SELECT queries. Sorting Rows When we make a SELECT statement in PostgreSQL, the resulting rows are returned in an unspecified order. To have these results sorted, we need to use the Order By...
Learn MoreJohn Del CastilloJanuary 31, 2023 -
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Create a Mastodon server with Instaclustr
Today we will look at Mastodon, an open-source social network platform. And how you can start your own Mastodon with the Instaclustr-managed PostgreSQL.
Learn MoreJohn Del CastilloJanuary 13, 2023 -
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Cadence® iWF
Another day, another article about Cadence® but this time we are going to look at something a little bit different. One of the best features of open source software, such as Cadence, is that the community can contribute improvements in lots of ways—from small contributions like bug fixes and implementing feature enhancements, all the way to...
Learn MoreJohn Del CastilloDecember 01, 2022 -
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AWS Kinesis vs. Kafka: Comparing Architectures, Features, and Cost
Event driven architectures are very powerful, and they are a fundamental way that modern software solutions are being developed. In this article we compare 2 technologies that power it: Apache Kafka® and AWS Kinesis. We will see how they can be used as the engine which drives event driven architecture, and which one is the...
Learn MoreJohn Del CastilloNovember 28, 2022 -
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Building With Cadence®: Quantifiable Efficiency?
Intro We’ve seen in previous articles some of the ways in which Cadence® makes it easy to create powerful, complex, and reliable workflows. We have also compared it to other workflow technologies, such as Conductor and Apache Airflow, but solutions like Cadence primarily compete against in-house solutions and companies doing it themselves. It is perfectly...
Learn MoreJohn Del CastilloNovember 21, 2022
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