I'm not exactly sure which character is triggering the error — it might be due to a special characte

I'm not exactly sure which character is triggering the error — it might be due to a special character or even an invisible whitespace — but the issue is 100% reproducible when trying to update a row containing this exact value.

ZZack We're already having to work around multiple other issues that we didn't expect ...

Tait•4/9/25, 5:24 PM

I'd love to hear more. What other issues did you unexpectedly encounter?

TTait I'd love to hear more. What other issues did you unexpectedly encounter?

Zack•4/9/25, 5:46 PM

Bulk import API causing the database to be unusable (which is documented to be fair), the D1 API having severe rate limits (worked around by using our own worker as a proxy for SQL commands), some issue internally with D1 causing huge latency after we replaced a bulk of the data within the database that the team fixed

Zack•4/9/25, 5:47 PM

We are using D1 in a slightly abnormal way, as a lookup table basically, so you probably won't experience the same problems if you're using it as a more traditional database

Tait•4/9/25, 8:57 PM

Thank you!

くくもりにくもったクラウドサービスlocaler I'm not exactly sure which character is triggering the error — it might be due t...

gruntlord6•4/9/25, 10:24 PM

does that end up in the url of the edit page?

Ggruntlord6 does that end up in the url of the edit page?

く

くもりにくもったクラウドサービスlocalerOP•4/9/25, 10:36 PM

Yes, the issue happens when click "Update" on a row that contains that string the value ends up in the URL, and that's when the 400 error oCcurs.
So it seems like the string being placed in the URL is causing the problem.

gruntlord6•4/9/25, 10:56 PM

its likely a character that can't be in a url, like the one used as a space character, the browser is interpreting it as a space etc and that causes the 404

gruntlord6•4/9/25, 10:57 PM

can't say which specific one is the issue but I'd say thats the issue IMO

jed•4/10/25, 1:15 AM

out of curiosity, does anyone know how D1 accomplishes autoincrement given its distributed nature?

Jjed out of curiosity, does anyone know how D1 accomplishes autoincrement given its d...

James•4/10/25, 1:19 AM

It doesn’t - d1 isn’t distributed today. Your db exists in a single region

jed•4/10/25, 1:22 AM

ah, so the --location--location CLI param isn't so much the primary location as it is the only location.

jed•4/10/25, 1:23 AM

good to know, thank you @James!

James•4/10/25, 1:24 AM

Currently yep. The team has talked a lot about read replicas though, so I wouldn’t be surprised if we see something there soon

jed•4/10/25, 1:25 AM

awesome, i'll save my question for then, ha.

gruntlord6•4/10/25, 2:51 AM

really hoping for more d1 news given the outerbase stuff but not holding my breath

Ggruntlord6 really hoping for more d1 news given the outerbase stuff but not holding my brea...

Isaac McFadyen•4/10/25, 4:05 AM

James•4/10/25, 7:31 AM

That would be pretty great, fingers crossed!

o7•4/10/25, 12:44 PM

noway read replicas

Zack•4/10/25, 12:46 PM

it's happening

Samantas5855•4/10/25, 12:57 PM

Are there any issues with D1 currently?

Samantas5855•4/10/25, 12:57 PM

I'm pushing stuff but they don't show up on the API

Larry•4/10/25, 1:02 PM

It has happened!!! https://developers.cloudflare.com/changelog/2025-04-10-d1-read-replication-beta/

Cloudflare Docs

D1 Read Replication Public Beta

Larry•4/10/25, 1:03 PM

Next question, when does this come to DO-based SQLite storage?

LLarry Next question, when does this come to DO-based SQLite storage?

lambrospetrou•4/10/25, 1:04 PM

D1 is the customer zero of DOs

So, once we see it's good enough with D1 and iron out some things, DOs will get some version of it too.

LLarry It has happened!!! https://developers.cloudflare.com/changelog/2025-04-10-d1-rea...

lambrospetrou•4/10/25, 1:06 PM

I would encourage people to try this out, and please give us feedback. Tell us cases it broke for you, or didn't do what you expected. Note that it's "beta". We are aware of some specific issues and are fixed as we speak to be rolled out over the next few weeks, so do your own testing to see if fits your workloads too.

cosbgn•4/10/25, 1:08 PM

IMO at least for me the session API adds waaay too much work to bother implement it. Ideally I was hoping cf would just figure this out like turso does

cosbgn•4/10/25, 1:09 PM

Right now I simply use cache & KV which give me pretty much the same results but it's simpler and easier to understand (I know it's eventually consistent, but that works for me)

Ccosbgn Right now I simply use cache & KV which give me pretty much the same results but...

lambrospetrou•4/10/25, 1:11 PM

If you are fine with normal eventual cache, then keep with that, and it fits better. Global consistency has tradeoffs, either exposed to the user and you decide the queries you want consistent, or it's always done implicitly and then you get slower performance across the board.

Ccosbgn IMO at least for me the session API adds waaay too much work to bother implement...

lambrospetrou•4/10/25, 1:11 PM

Which Turso feature specifically? I am aware of the embedded replicas but that's a whole other thing/use-case.

cosbgn•4/10/25, 1:14 PM

They used to have multi region replicas, but from the homepage it looks like they discontinue it

Ccosbgn IMO at least for me the session API adds waaay too much work to bother implement...

Larry•4/10/25, 1:19 PM

In what way is it too much work? It looks like it's a few lines of code tweak? That may be more work than continuing to use your own cache+KV solution, but for anyone who hasn't already built that, it seems like adopting the session API is a lot LESS work than building something like you've done.

cosbgn•4/10/25, 1:29 PM

Maybe it's actually very little work, I've just quickly looked at the api, but it seems like I need to read incoming headers, tweak how drizzle interacts with the db, set a new header, etc.

With KV, I just do if (kv) return kn else return d1

The other advantage is that is not vendor lock in, I can switch to any other sqlite provider (like turso) with a single line change

cosbgn•4/10/25, 1:29 PM

but anyways, I wasn't really complaining, I love d1 and cloudflare, was more like my personal feedback

Llambrospetrou D1 is the customer zero of DOs 😼 So, once we see it's good enough with D1 and ...

Burrito•4/10/25, 1:37 PM

Tangentially, hoping for DO dynamic relocation.

BBurrito Tangentially, hoping for DO dynamic relocation.

lambrospetrou•4/10/25, 2:04 PM

You mean relocation of the replicas in other places, or more replicas in specific places, or relocation of the primary?
And do you need it dynamic based on traffic/requests, or you specifying that?

Burrito•4/10/25, 2:05 PM

Relocation of the primary, either manually specify or automatic like worker smart placement.

Burrito•4/10/25, 2:07 PM

Replicas would be nice too but I imagine it would have a similar design to D1 so it would take some effort to make use of it.

ZZack I've not seen any info on that tbh

Isaac McFadyen•4/10/25, 2:29 PM

And here you go Zack, read replicas are here

Isaac McFadyen•4/10/25, 2:29 PM

I was trying to give you a hint the other day without saying anything I wasn't allowed to :lul:

Zack•4/10/25, 2:30 PM

Yea, it makes more sense now, but in a way that's slightly sad because the replicas are just statically placed in all regions rather than dynamically in more places based on load

Zack•4/10/25, 2:30 PM

However, very happy it's here, and sounds like dynamic placement is something they want to bring in the future

ZZack Yea, it makes more sense now, but in a way that's slightly sad because the repli...

Isaac McFadyen•4/10/25, 2:32 PM

Yeessss except:

currently one in each supported D1 region

So right now they're static but they're static in everywhere D1 can even be

Isaac McFadyen•4/10/25, 2:33 PM

If they were dynamic they'd just be dynamic within those same regions.

Zack•4/10/25, 2:33 PM

Yea, I get it

Zack•4/10/25, 2:33 PM

much nicer than having to place them in all regions ourselves, and as I said, improvements will come and will be great to see them!

Wallacy•4/10/25, 2:39 PM

South América is also not invited to the party…. No Replicas here. We all of our D1 calls are router to US.

Chaika•4/10/25, 2:42 PM

Need Durable Objects there first. CF was talking about getting DOs in South America and India, would be nice

lambrospetrou•4/10/25, 2:50 PM

but in a way that's slightly sad because the replicas are just statically placed in all regions rather than dynamically in more places based on load

Smarter placement is on the roadmap

We will iterate on it over the next few weeks/months based on your feedback. Many ideas how to make placement better.

I'm not exactly sure which character is triggering the error — it might be due to a special characte

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