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13 votes
Accepted

Upper limit for managed data

It can contain up to 64 bytes. When it comes to data structures in Stellar you can always check XDR definition files in stellar-core repository. For example DataValue definition looks like this: ...
Bartek Nowotarski's user avatar
9 votes
Accepted

How do I conduct data analysis on Stellar?

I imagine that in the context of ML you're looking at analyzing historical data. Easiest for that is to ingest the time range you're looking for using Horizon and play with effects. You could also be ...
MonsieurNicolas's user avatar
6 votes

Is there a public queryable version of Stellar.db out there?

First of all, you rather need the core db instead of horizon for your query. There is no publicly available core DB and I doubt that ever will be, due to unpredictable loading and security ...
Orbit Lens's user avatar
  • 6,886
4 votes
Accepted

Regarding Data Entry extensibility

I've been pushing the limits of data fields storing code and images, definitely a special viewer is required and in the case of code a virtual machine to run them. Take a look here, this is code ...
Kuyawa's user avatar
  • 1,328
4 votes
Accepted

How much extra balance is needed per DataEntry

Each DataEntry increases the required minimum balance by the size of the base reserve (currently 0.5 XLM). The minimum balance for a basic account is 2 × base reserve. Each additional entry costs the ...
Orbit Lens's user avatar
  • 6,886
3 votes

Info on metrics

EDIT: They released the docs in v10.1.0 in metrics.md. Unfortunately, there's not much about metrics anywhere in the official docs or repositories besides the GET metrics/ endpoint in the Horizon API....
Luís Brito's user avatar
2 votes

Storing image file on stellar network

Stellar is not suited for file storage and serving. Storing arbitrary binary data is possible, but it's slow and expensive. Use something like IPFS or cloud platform for this purpose.
Orbit Lens's user avatar
  • 6,886
2 votes
Accepted

What happens when transaction fails to be applied?

The rules for applying transactions are deterministic, so any validator that fails a transaction that should have succeeded is ill-behaved. SCP survives ill-behaved nodes so long as there is a well-...
user3188445's user avatar
  • 1,221
2 votes

Stellar Java SDK: Retrieve Account Data

Yes you can use a CallBuilder to retrieve the account object: const server = new StellarSdk.Server('https://horizon.stellar.org') const callBuilder = server.accounts.accountId(${myPublicKey}) const ...
Mister Ticot's user avatar
1 vote

Storing image file on stellar network

As Orbit Lens already said, Stellar is not suited for this purpose. However your best options for storing data are: ManageData Operation: 64 byte key + 64 byte value, but will require a 0.5 XLM ...
sui's user avatar
  • 2,534
1 vote

Does a Historical Traffic Chart for the Stellar Lumens Platform Exist?

Looks like Steller Expert offers some of this information.
Jsweet's user avatar
  • 133

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