Q. The overview doc says: > *D1 is designed for horizontal scale out across multiple, smaller (10

Q. The overview doc says:

D1 is designed for horizontal scale out across multiple, smaller (10 GB) databases, such as per-user, per-tenant or per-entity databases. D1 allows you to build applications with thousands of databases at no extra cost for isolating with multiple databases. D1 pricing is based only on query and storage costs.

How does this work? Can I provision a new one programatically (perhaps via CloudFlar API) or am I to create new D1 manually?

Or these multiple databases are provisioned automatically for me, e.g. my users in Japan would have one while my users in Brazil will have a different one?

In either of these scenarios the databases would have different data right?

OR

These databases are automatically replicated through CloudFlare's network and each group would have one D1 (Japan, and Brazil) but with the same data? If that's the case that means the max storage globally is 10gb?

I couldn't find this information in the docs.

Ooscarryz Q. The overview doc says: > *D1 is designed for horizontal scale out across mu...

Dean•2/18/25, 1:25 AM

You can create multiple databases via the API and set a location hint: https://developers.cloudflare.com/d1/configuration/data-location/#:~:text=Location%20hint%20is%20an%20optional,are%20creating%20the%20database%20from They are not automatically provisioned in different regions. They would have different data. D1 databases do not have replication yet, however that is something that is expected to come soon.

DDean You can create multiple databases via the API and set a location hint: https://d...

oscarryzOP•2/18/25, 1:39 AM

Excellent, thank you for clarifying.

My use case is precisely that. Think of a reddit clone, every subreddit can have their own D1 located where it was created.

Ooscarryz Excellent, thank you for clarifying. My use case is precisely that. Think of a...

Dean•2/18/25, 1:41 AM

something to keep in mind, while cloudflare allows 50,000 databases, they only allow a max of around 5000 databases to be binded to a worker or CF pages.

DDean something to keep in mind, while cloudflare allows 50,000 databases, they only a...

oscarryzOP•2/18/25, 1:44 AM

I see. Well I'm way too far away from that volume yet, so that will be a good problem to have

oscarryzOP•2/18/25, 1:45 AM

Thank you @Dean

Ooscarryz Thank you @Dean

Dean•2/18/25, 1:47 AM

You’re welcome

ぷ

ぷとん(Puton)•2/18/25, 3:50 AM

On Cloudflare d1, when I use the execute command, the table creation works when remote, but when local, I get an EOF error.

wrangler version: 3.109.1 (install by bun)

schema.sql

CREATE TABLE IF NOT EXISTS articles (
　id INTEGER PRIMARY KEY AUTOINCREMENT,
　title TEXT,
　body TEXT,
　created_at TEXT DEFAULT CURRENT_TIMESTAMP,
　updated_at TEXT DEFAULT CURRENT_TIMESTAMP
)

CREATE TABLE IF NOT EXISTS articles (
　id INTEGER PRIMARY KEY AUTOINCREMENT,
　title TEXT,
　body TEXT,
　created_at TEXT DEFAULT CURRENT_TIMESTAMP,
　updated_at TEXT DEFAULT CURRENT_TIMESTAMP
)

wrangler.jsonc

{
　"name": "test-for-d1",
　"compatibility_date": "2025-2-18",
　"compatibility_flags": ["nodejs_compat"],
　"pages_build_output_dir": ".vercel/output/static",
　"d1_databases": [
　　{
　　　"bindings": "DB",
　　　"database_name": test-d1",
　　　"database_id": "my database id here"
　　}
　]
}

{
　"name": "test-for-d1",
　"compatibility_date": "2025-2-18",
　"compatibility_flags": ["nodejs_compat"],
　"pages_build_output_dir": ".vercel/output/static",
　"d1_databases": [
　　{
　　　"bindings": "DB",
　　　"database_name": test-d1",
　　　"database_id": "my database id here"
　　}
　]
}

run command: wrangler d1 execute test-d1 --local --file=schema.sql (EOF ERROR)
run command2: wrangler d1 execute test-d1 --remote --file=schema.sql (SUCCESS)
what I tried: wrangler reinstall, bun cache ckear,

Also, I found wrangler can't start local server with EOF error.

Dean•2/18/25, 4:35 AM

"compatibility_flags": ["nodejs_compat"]
　"pages_build_output_dir": .vercel/output/static",
missing a comma at compability_flag and the outbound directory missing a "

Dean•2/18/25, 4:36 AM

other than that, looks okay

ぷ

ぷとん(Puton)•2/18/25, 4:46 AM

I fixed it, but it still doesn't work.

disaster.js•2/18/25, 2:08 PM

Does your schema file end with comments?

ぷ

ぷとん(Puton)•2/18/25, 3:24 PM

No, it doesn't

disaster.js•2/18/25, 5:35 PM

I faced this weird error where having comments at the end threw errors

disaster.js•2/18/25, 5:35 PM

Looks like not the case here

Zack•2/18/25, 5:48 PM

Hey, been testing out d1 doing bulk imports of data, the upload appears to now be failing though with a gateway timeout. Any idea what's going on there?

Zack•2/18/25, 5:49 PM

This was while it was trying to check if it should upload the .sql file or not

James•2/18/25, 9:18 PM

How large is your sql file? Can you reproduce it consistently? Can you share a reproduction if so?

JJames How large is your sql file? Can you reproduce it consistently? Can you share a r...

Zack•2/18/25, 10:23 PM

It was working consistently earlier, I have uploaded the same sized files repeatedly and then wiped the database. The files are around 30MB each

Zack•2/18/25, 10:24 PM

I'm uploading 50 one after another to chunk the ingestion

Zack•2/18/25, 10:24 PM

Its around 6 million total rows

Zack•2/18/25, 10:25 PM

The weird part was it wasn't even failing to upload, it was failing on the check to see if it needed to upload. It never actually got that far

Zack•2/18/25, 10:57 PM

Just tested again now and still experiencing this problem, I effectively can't import any .sql files right now

Zack•2/18/25, 10:58 PM

The entire D1 (non-worker) API seems to be significantly slower for me compared to earlier today

Zack•2/18/25, 11:16 PM

It appears that wiping the table and starting again resolves the problem, so it may be something that gets worse as the table gets bigger?

Johnny Silverhand•2/19/25, 7:39 AM

idk if i am right here; but the german translation for table in the webui is absolutely wrong:

MbsPMuLneUAQUFBvqdnuxXRNQUHRN1PQkIAEJSCATUFBkGr7vKwGnPPX1zpgvCUhAAhKQgAQkIAEJDICAgmIAN8ksSkACEpCABCQgAQlIoK8EFBR9vTPmSwISkIAEJCABCUhAAgMgoKAYwE0yixKQgAQkIAEJSEACEugrAQVFXMZKABCQgAQlIQAISkMAACCgoBnCTzKIEJCABCUhAAhKQgAT6SkBB0dc7Y74kIAEJSEACEpCABCQwAAIKigHcJLMoAQlIQAISkIAEJCCBvhJQUPT1zpgvCUhAAhKQgAQkIAEJDICAgmIAN8ksSkACEpCABCQgAQlIoK8EFBR9vTPmSwISkIAEJCABCUhAAgMgoKAYwE0yixKQgAQkIAEJSEACEugrgf8DCbNRuY4FECAAAAAASUVORK5CYII.png

Johnny Silverhand•2/19/25, 7:39 AM

is there any way for cloudflare to change it to the correct translation? it would be "Tabellen"

JJohnny Silverhand is there any way for cloudflare to change it to the correct translation? it woul...

�

𝖆𝖚𝖙𝖎𝖘𝖙•2/19/25, 7:45 AM

Ki übersetzungen sind doch was tolles

Original message was deleted

Zack•2/19/25, 6:35 PM

Is this in preparation for read replicas?

ZZack Is this in preparation for read replicas? 👀

ajgeiss0702•2/19/25, 7:26 PM

i hope so

:crossed_fingers_intensifies:

ajgeiss0702•2/19/25, 7:33 PM

at this point I wonder if theyre waiting until developer week (which is april iirc?) to launch it

�𝖆𝖚𝖙𝖎𝖘𝖙 Ki übersetzungen sind doch was tolles 😂

Johnny Silverhand•2/19/25, 8:21 PM

ohja, richtig klasse :D

ac•2/19/25, 8:59 PM

Is D1 down? Getting lots of

Error: D1_ERROR: internal error

Error: D1_ERROR: internal error

ac•2/19/25, 9:03 PM

Looks to be working now, but there was about 4 mins of downtime (no changes made on our end)

Althaf•2/20/25, 1:52 AM

Can i ask a doubt like can we use the D1 on the nextjs hosted on verel and i am unable to use it on local development i have separrte backend in hono cf workers for admin pannel but for seo i am trying to access the data within the nextjs but still i can't can anybody help

AAlthaf Can i ask a doubt like can we use the D1 on the nextjs hosted on verel and i am ...

Unsmart•2/20/25, 1:58 AM

You cant use D1 on vercel in that way. Vercel doesnt have cloudflare bindings. If you wanted to query D1 from Vercel you would need to either use the Rest API or create a worker to proxy requests to the D1 binding.

UUnsmart You cant use D1 on vercel in that way. Vercel doesnt have cloudflare bindings. I...

Althaf•2/20/25, 2:07 AM

so are you mentioning that i should use my hono backend in cf workers to power the users front end also like fetch data in server are try to cache it to increase perfomance ? and also i don't get this point "create a worker to proxy requests to the D1 binding." like can you explain or do you have any article on it

Althaf•2/20/25, 2:09 AM

i also tried to host nextjs in pages but the styles are breaking in pages preview

AAlthaf so are you mentioning that i should use my hono backend in cf workers to power t...

Unsmart•2/20/25, 2:13 AM

Not referencing cache or performance at all. Just pointing out that you cannot access a cloudflare binding from vercel because vercel is not cloudflare.

The only way to query data from D1 from the vercel servers would be to call a cloudflare worker or the cloudflare api.

UUnsmart Not referencing cache or performance at all. Just pointing out that you cannot a...

Althaf•2/20/25, 3:53 AM

I am confused like on production we can use the db url in the drizzle and it will handle the db interactions so i thought that we can use d1 in the vercel but on development stage we need local db as per the d1 docs

AAlthaf I am confused like on production we can use the db url in the drizzle and it wil...

lambrospetrou•2/20/25, 8:44 AM

D1 doesn't have a connection URL as traditional databases. Either you query D1 through a Worker using the D1 binding (https://developers.cloudflare.com/d1/worker-api/) which is the fastest and most performant, or you should use the D1 REST API (https://developers.cloudflare.com/api/resources/d1/subresources/database/methods/query/).

I do not recommend the REST API if you will do several database queries (round trips), since it's not meant to be used yet in your hot paths. It's slow at the moment, more rate limited than the Workers binding, and you won't have a nice experience. We are improving this in the following months but it's a long ongoing process.

Llambrospetrou D1 doesn't have a connection URL as traditional databases. Either you query D1 t...

Althaf•2/20/25, 11:36 AM

Thankyou for the detailed info. so like i am planing to go with the acessing data from my workers using hono

Llambrospetrou Not using one 😃

Lars-Erik•2/21/25, 2:48 PM

Orange ORM supports D1 now.
https://github.com/alfateam/orange-orm

GitHub

GitHub - alfateam/orange-orm: The ultimate ORM for Node and Typescript

The ultimate ORM for Node and Typescript. Contribute to alfateam/orange-orm development by creating an account on GitHub.

Aajgeiss0702 at this point I wonder if theyre waiting until developer week (which is april ii...

murzin•2/21/25, 9:12 PM

wait, do they have multiple developer weeks a year? I recall one being just recently

Walshy•2/21/25, 9:14 PM

we have multiple innovation weeks (Birthday week, developer week, security week, privacy week, etc.)

Walshy•2/21/25, 9:14 PM

but only 1 developer week a year

murzin•2/21/25, 9:15 PM

haha got you. looking forward to it! I'm sure you are too :D

Walshy•2/21/25, 9:16 PM

it'll be a good one

SQQ•2/21/25, 11:30 PM

Is it possible to create a D1 database with the API and access it through a worker binding? What is the workflow for dynamically creating a database per user and accessing it in a worker?

SSQQ Is it possible to create a D1 database with the API and access it through a work...

Dean•2/22/25, 7:12 AM

Yes you can, this is how I do it: I create the database via the API, i use the API to also create the table / schema and then use the API to modify the worker settings to add the D1 binding. The last bit is the tricky bit, even from when I've done it the documentation / endpoints have changed.

CREATE TABLE IF NOT EXISTS articles ( 　id INTEGER PRIMARY KEY AUTOINCREMENT, 　title TEXT, 　body TEXT, 　created_at TEXT DEFAULT CURRENT_TIMESTAMP, 　updated_at TEXT DEFAULT CURRENT_TIMESTAMP )

{ 　"name": "test-for-d1", 　"compatibility_date": "2025-2-18", 　"compatibility_flags": ["nodejs_compat"], 　"pages_build_output_dir": ".vercel/output/static", 　"d1_databases": [ 　　{ 　　　"bindings": "DB", 　　　"database_name": test-d1", 　　　"database_id": "my database id here" 　　} 　] }

Q. The overview doc says: > *D1 is designed for horizontal scale out across multiple, smaller (10

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