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How to Create a Bucket With InfluxDB v2.1 CLI

There are a couple of changes in InfluxDB CLI if you upgrade from 1.X to 2.1. The database is now called a "bucket," and it's pretty different when creating one using CLI. Here is what I've learned the hard way (by trial & error and googling):

There is no
influx -execute 'SHOW DATABASES'
or influx -execute 'CREATE DATABASE Foo'.

There are buckets instead, and you need permission to create one:
influx auth create -o MyOrg --write-buckets

In v2.1, I have not found any --all-access flag.

If you have permission, create a bucket:
influx bucket create -n BucketName -o MyOrg -r 7d

When you try to import data to your new bucket and import fails with an error message Not Found {"code":"not found","message":"no dbrp mapping found"} you need to create a mapping from bucket to retention policy.

DBRP stands for "Database and Retention Policy"

(Shouldn't that be also changed to Bucket and Retention Policy (BRP)?)

Here is how you can create a mapping between a bucket and DBRP for a "week":

First, if you don't have one already, you need permission:
influx auth create -o MyOrg --write-dbrps

Second, create a mapping:
influx v1 dbrp create --db BucketName --rp week --bucket-id mybucketid --default

And that's it. Import should be successful now.

I'm still a newbie with the InfluxDB. If you have a better way to do this or I miss something, let me know in the comments. I'd love to learn more!

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Git Concepts I Wish I Knew Years Ago

The most used technology by developers is not Javascript.

It's not Python or HTML.

It hardly even gets mentioned in interviews or listed as a pre-requisite for jobs.

I'm talking about Git and version control of course.

One does not simply learn git