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Big data is dead

motherduck.com

221–230 of 444 posts

Re: Big data is dead

#222

"For more than a decade now, the fact that people have a hard time gaining actionable insights from their data has been blamed on its size." The real issue is that business people usually ignore what the data says. Wading through data takes a huge amount of thought, which is in short supply. Data Scientists are commonly disregarded by VPs in large corporations, despite the claims about being "data driven". Most corpo…

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Re: Big data is dead

#223

Why would I use DuckDB instead of Clickhouse or similar? Is it just because I want to have the database embedded in my app and not connect to a server?

One great reason to use DuckDB was when ClickHouse took up too much memory on Parquet files.

https://github.com/ClickHouse/ClickHouse/issues/45741#issuec... helps with that though.

Also, clickhouse-local exists https://clickhouse.com/blog/extracting-converting-querying-l... as a thing.

But, yes, when I think of DuckDB...I think embedded use cases...i'm also not a power user.

I also think of this very much as a 'horses for courses' or 'different strokes, different folks' sort of scenario. There is, naturally, overlap because 'analytical data.' But also, there is naturally overlap with R and this giant scary mess of data-munging PERL code I maintain for a side project.

The DuckDB team, the MotherDuck team, the ClickHouse team...we all want your experience interacting with data to be amazing. In some scenarios, ClickHouse is better. In some scenarios, DuckDB. I'm biased (as I work for ClickHouse in DevRel), but I Try both. Pick the one that is best for you. Then...you know...tell the other(s) why so that we all can get better at what we do.

Re: Big data is dead

#224
post #36

"For more than a decade now, the fact that people have a hard time gaining actionable insights from their data has been blamed on its size." The real issue is that business people usually ignore what the data says. Wading through data takes a huge amount of thought, which is in short supply. Data Scientists are commonly disregarded by VPs in large corporations, despite the claims about being "data driven". Most corpo…

I used to joke that Data Scientists exist not to uncover insights or provide analysis, but merely to provide factoids that confirm senior management's prior beliefs. I did several experiments, and noticed that whenever I produced analysis that was in line with what management expected - my analysis was praised and widely disseminated. Nobody would even question data completeness, quality, whatever. They would pick so…

Indeed, confirmation bias happens to almost everyone.

Re: Big data is dead

#225

Earlier quoted context omitted.

Or just require students to use software that keeps track of version history or require spyware installed.

Go back to longhand. Even if they are plagiarizing, they might learn something from the exercise of rewriting by hand.

That's solved by putting a pen on your 3d printer.

Re: Big data is dead

#226

"For more than a decade now, the fact that people have a hard time gaining actionable insights from their data has been blamed on its size." The real issue is that business people usually ignore what the data says. Wading through data takes a huge amount of thought, which is in short supply. Data Scientists are commonly disregarded by VPs in large corporations, despite the claims about being "data driven". Most corpo…

Size isn't the real problem, it's time. Are you going to take the time / money to set up a warehouse, get all the data into with an ETL product, set up dbt or some other transformation layer, set up a BI tool and build the reports and dashboards, etc. Regardless the size of your data, you still need to get it in one place and model it in a way it's actually usable.

Exactly. It isn't just time to set up all the data in a way that makes the right query possible. It is also having queries fast enough to be able to run a vast number of them in order to find what you are looking for (or even things you were not looking for).

https://didgets.substack.com/p/data-science-and-serendipity

Re: Big data is dead

#227
post #35

I see it all the time: people develop applications that will never ever get a database size of over 100GB and are using big data databases or distributed cloud databases. Often queries only hit a small subset of the date (one customer, one user). So you could easily fit everything into one SQL database. Using any of the traditional SQL databases takes away a lot of complications. You can do transactions, you can quer…

I think a key driver of this is not having to use SQL. I like DynamoDB and EdgeDB because I can use a more modern and reasonable language to interact with the database.

Re: Big data is dead

#228
post #36

"For more than a decade now, the fact that people have a hard time gaining actionable insights from their data has been blamed on its size." The real issue is that business people usually ignore what the data says. Wading through data takes a huge amount of thought, which is in short supply. Data Scientists are commonly disregarded by VPs in large corporations, despite the claims about being "data driven". Most corpo…

I used to joke that Data Scientists exist not to uncover insights or provide analysis, but merely to provide factoids that confirm senior management's prior beliefs. I did several experiments, and noticed that whenever I produced analysis that was in line with what management expected - my analysis was praised and widely disseminated. Nobody would even question data completeness, quality, whatever. They would pick so…

how is this really different from any other aspect of life? Very few people really like to be told counter information, and it is always easier when providing data that aligns with the current group think. Doesn't matter if it is business, politics, or really anything. Being the outlier trying to change the direction of things is a struggle.

Re: Big data is dead

#229

I've made anecdotal observations similiar to this over the last 10 years. I work in AgTech. A big push for a while here has been "more and more more data". Sensor-the-heck out of your farm, and We'll Tell You Things(tm). Most of what we as an industry are able to tell growers is stuff they already know or suspect. There is the occasional suprise or "Aha" moment where some correlation becomes apparent, but the thing a…

This analysis reminds me of the big interest in the use of hyperspectral imaging for agriculture. The idea was the greater spectral resolution (greater than Landsat) would result in more interesting information. Agriculture was one of the applications. But, once you did find the interesting stuff, you no longer needed a hyperspectral sensor. You could just look at one spot with a much lower cost sensor.

So hyperspectral, like big data, is useful up front. But in the end, much simpler tools and algorithms will solve the problem on a continuing basis.

Re: Big data is dead

#230

Earlier quoted context omitted.

Is that what's happening at Amazon as well? As they seemingly is loosing more and more track of the "Customer Obsession" schtick.

"customer obsession" was always at the mercy of the real obsession: "making money hand over fist". The former will ALWAYS lose out to the latter given enough cycles.

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