Claire Giordano

When Django developer and Azure Postgres* engineer Louise Grandjonc confirmed that she could sit down with me for an interview in the days leading up to DjangoCon 2019, I jumped at the chance. Those of you who were in the room for Louise’s talk this week probably understand why. Louise explains technical topics in a way that makes sense—and she often uses unusual (and fun) examples, from crocodiles to owls, from Harry Potter to Taylor Swift.

And since I experience a bit of FOMO whenever I miss a fun developer conference like DjangoCon, I especially wanted to learn more about Louise’s DjangoCon talk: Postgres Index Types and where to find them.

Here’s an edited transcript of my interview with Louise Grandjonc of Microsoft (@louisemeta on Twitter.)

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Seasons each have a different feel, a different rhythm. Temperature, weather, sunlight, and traditions—they all vary by season. For me, summer usually includes a beach vacation. And winter brings the smell of hot apple cider on the stove, days in the mountains hoping for the next good snowstorm—and New Year’s resolutions. Somehow January is the time to pause and reflect on the accomplishments of the past year, to take stock in what worked, and what didn’t. And of course there are the TOP TEN LISTS.

Spoiler alert, yes, this is a Top 10 list. If you’re a regular on the Citus Data blog, you know our Citus database engineers love PostgreSQL. And one of the open source responsibilities we take seriously is the importance of sharing learnings, how-to’s, and expertise. One way we share learnings is by giving lots of conference talks (seems like I have to update our Events page every week with new events.) And another way we share our learnings is with our blog.

So just in case you missed any of our best posts from last year, here is the TOP TEN list of the most popular Citus Data blogs published in 2018. Enjoy.

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Most of us who work with open source like working with open source. You get to build on what’s already been built, and you get to focus on inventing new solutions to new problems instead of reinventing the wheel on each project. Plus you get to share your work publicly (which can improve the state of the art in the industry) and you get feedback from developers outside your company. Hiring managers give it a +1 too, since sharing your code will sometimes trigger outside interest in what you’re doing and can be a big boon for recruiting. After all “smart people like to hang out with smart people”.

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In this world of all things digital where so many of us are online so much of the time—what with architecting, coding, QA'ing, blogging, and slacking—it's kind of refreshing to step away from our devices and talk to other humans face-to-face at an event.

Especially when it's a conference chock full of PostgreSQL open source people, from users to developers to community leaders.

Especially when it's right in our own backyard here in San Francisco.

Especially when it's PostgresOpen SV 2018.

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What Postgres and distributed database topics got the most attention on our Citus Data blog in 2017? Out of the 47 new posts we published last year, it’s pretty clear that many of you were interested in sharding relational databases, whether it be Ozgun’s principles of sharding or Craig’s post on figuring out which sharding data model is right for you. Heck, the five sharding data models post was so popular that it even got re-published recently on HackerNoon.

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What happens to your database when your SaaS application is an overnight success? When your customer base has grown bigger than you’d always hoped but it all happened so fast and now what do you do? What happens when your SaaS application needs to scale, but your database is getting more and more sluggish?

Until recently, the conventional wisdom for SaaS startups is that you should launch your application on top of an open source relational database, like Postgres or MySQL. And that once you become an overnight success, you will need to slog your way through a period of fail whales while you re-architect your app to go to NoSQL. Or while you re-architect your app to shard at the application layer. Ick.

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"Your father's lightsaber. This is the weapon of a Jedi Knight. Not as clumsy or random as a blaster. An elegant weapon, for a more civilized age."

—Obi-Wan Kenobi, Star Wars Episode IV: A New Hope

Announcing the release of Citus 6.2

Today I’m happy to announce that we’ve rolled out a new version of our database, Citus 6.2. Because as most of you know, good software never stops evolving. Nor should it. If you want the scoop on the new capabilities in Citus 6.2, just scroll ahead. But before diving in, I need to explain the lightsaber pic. Why? Because usually a picture speaks a thousand words, but sometimes it needs an annotation. :-)

When my colleagues first started on their journey to build Citus, they had a vision of combining the best aspects of relational databases with the elastic scale of NoSQL—to give developers a database that delivers SQL capabilities, at scale.

But vision alone does not make a successful company. The Citus co-founders needed a mix of key ingredients: the right team, good timing, good execution, a willingness to experiment and learn, plus (of course) a good idea.

When George Lucas describes his days before the first Star Wars film, he said he was “searching for just the right ingredients, characters and storyline.” In Lucas’s search for the right mix, he too had to iterate: he wrote four different screenplays before landing on the final version of the original film!

Because our CTO is such a big fan of Star Wars, Ozgun sometimes talks about his vision for Citus in the language of the Jedi: Ozgun has said his aim for Citus was “to create a database as elegant and as powerful as a lightsaber.” Now, I’m more of a Stranger Things fan myself (after all, mornings are for coffee and contemplation) but I get Ozgun’s desire to create a database that gives you the benefits of SQL—at scale.

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