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kc11415
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any time-series database opensource projects with any inertia?

January 3rd, 2018, 9:28 pm

Anyone have opinions or awareness about opensource time-series DB's which have managed to achieve any sort of ongoing community & user base?

(did try to search for prior threads, but search is finicky for me today.)
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FaridMoussaoui
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Re: any time-series database opensource projects with any inertia?

January 4th, 2018, 1:33 pm

I know one high performance time-series oriented db. It is not open source but there is a free community version with access to API through the usual suspects programming languages.

https://www.quasardb.net
 
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mtsm
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Re: any time-series database opensource projects with any inertia?

January 5th, 2018, 2:56 pm

man ahl arctic?
 
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kc11415
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Re: any time-series database opensource projects with any inertia?

January 10th, 2018, 1:58 pm

@mtsm : Thanks for the tip.  Will peruse their repo.
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tags
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Re: any time-series database opensource projects with any inertia?

April 3rd, 2018, 2:07 pm

MarketStore, the financial time series database, is now open source

That popped in my twitter timeline. That it was developed by Alpaca may not be the most remarkable. Who knows?
 
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Re: any time-series database opensource projects with any inertia?

April 18th, 2021, 8:12 pm

have you friends tried out other/new open-source time series database projects since 2018, please?
 
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Re: any time-series database opensource projects with any inertia?

April 21st, 2021, 8:03 pm

i mean Arctic has some cool features, but its development is somewhat at a standstill and the it now trails far behind the upgraded versions of its dependencies. 
 
greenweeds
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Re: any time-series database opensource projects with any inertia?

May 13th, 2021, 1:52 pm

Did you try TimescaleDB? That's open source with a foundation of PostgreSQL

https://github.com/timescale/timescaledb

https://www.timescale.com/products
 
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kc11415
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Location: Indiana, USA

Re: any time-series database opensource projects with any inertia?

November 6th, 2021, 3:24 pm

Timescale looks like an Interesting project, with most of it under the Apache License. However, it looks like some of their key value-add enhancements for PostgreSQL Columnar Store are under a different license with some very specific prohibitions about some types of commercial use:
"2.2 Prohibitions.  Notwithstanding any other provision in this TSL Agreement, You are prohibited from (i) using any TSL Licensed Software to provide time-sharing services or database-as-a-service services, or to provide any form of software-as-a-service or service offering in which the TSL Licensed Software is offered or made available to third parties to provide time-series database functions or operations..."
https://github.com/timescale/timescaledb/blob/master/tsl/LICENSE-TIMESCALE

Firstly, that restriction does not meet my definition of open source.
Secondly, the modest amount of value add they provide to existing columnar store in PostgreSQL is respectable, but hardly secret sauce.
They are entitled to handle their code enhancements as they see fit, but I think it borders on them abusing opensource software with a product that exploits PostgreSQL doing much of the heavy lifting, with them adding a modest amount of enhancements and then locking down the result.  Me personally, I just don't have much respect for that.
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