5
votes
Accepted
When do validators know to push the data from the latest ledger to archive nodes?
An archiver node is a special kind of node:
when it sees a quorum (based on other basic/full validators on the network), it publishes to an archive.
Publishing is done every 64 ledgers if it's in ...
- 2,203
4
votes
Accepted
Browsing Stellar's history archive
Im using the aws command line tool
For example to see the contents of the archive
aws s3 --no-sign-request ls s3://history.stellar.org/
Or to look at a specific folder in the testnet archives
...
- 641
3
votes
Browsing Stellar's history archive
Have you considered using the stellar-archivist tool?
The provided link shows an example of how to print a fetched archive file (ledger header, transactions, results, etc) as JSON in your terminal. ...
- 41
3
votes
Accepted
History Archive Configuration for Private Networks
Author of history & buckets subsystems here.
There are a few steps to work through in understanding the failure / parsing the logs, though if you want the TL;DR version you can cut to the final ...
- 336
3
votes
Accepted
Is it possible to fully sync Stellar node without history archive access?
The answer is No.
You are correct: history archives are a required component for the network to function properly; without them you can't even join the network.
See this document for the reasons ...
- 2,203
2
votes
How do I get an historic view of the inflation votes?
In order to get the historical inflation votes data you need to run a Horizon node with CATCHUP_COMPLETE parameter set to true.
Once a fully synced instance is ready, you will be able to query ...
- 6,886
2
votes
Where is the name 'Stellar' derived from?
I am not part of Stellar team, but was following Stellar since they forked from Ripple (and also Ripple until that point). My take on this is as follows:
Since the beginning, Stellar have a really ...
- 416
2
votes
Accepted
When a lower tier quorum comes to its own consensus
A and B cannot sync up with SCP. This is an invalid configuration. B is misconfigured, so should just dump its state and restart with better quorum slices.
SCP only guarantees agreement when there ...
- 1,221
2
votes
Duplicate operation in transaction?
Turns out I rediscovered the infamous Stellar inflation bug: https://github.com/stellar/stellar-core/blob/master/docs/software/security-protocol-release-notes.md#v061c-not-widely-released---2017-04-08
...
- 131
1
vote
Stellar-core catch up failed
Typically this is the result of some sort of data corruption on the node's local storage system. Which version of stellar-core are you running? Why did it (re)-enter catchup after 2-3 days? Did the ...
- 336
1
vote
Accepted
What is <HISTORY-LABEL> in stellar-core new-hist command?
HISTORY-LABEL in your case is the local history archive name (for example, local). You need to define it in your stellar-core.cfg first (check config example here: https://github.com/stellar/stellar-...
- 6,886
1
vote
Unable sync my updated node stellar-core (v11.4.0), Please Help
Could you provide the config file (with secrets removed) and execution log? It's hard to tell from this question alone.
- 336
1
vote
Accepted
Steps for Horizon to Ingest Stellar-Core from ledger 1, after `horizon db clear`?
In the most recent release of horizon; v0.15.* you can do: horizon db backfill N
where N is the number of missing ledgers you want added to your horizon history.
So in your case it will be horizon ...
- 116
1
vote
Accepted
Why does the first ledgers xdr file contains only 63 ledgers?
Answer from official doc:
Checkpoints are made once every 64 ledgers, at ledger sequence numbers that are one-less-than a multiple of 64.
Checkpoints are where a new ledger-headers file is born, ...
- 1,527
1
vote
Accepted
Account information at a given ledger number
stellar-core has few under documented (not mentioned in the documentation but mentioned in the help page of the binary) command line parameters. One of them called --cathup-at which does exactly what ...
- 51
1
vote
Browsing Stellar's history archive
For reading, the preferred place to retrieve the SDF history archives is here:
http://history.stellar.org/prd/core-live/core_live_001/
http://history.stellar.org/prd/core-live/core_live_002/
http://...
- 822
1
vote
Browsing Stellar's history archive
The best way to view archive data for Stellar is to run a Stellar Core node with CATCHUP_COMPLETE=true. This will pull in all the archive data. You can get all the options for the configuration file ...
- 1,080
1
vote
Accepted
What is the storage size and growth rate for the Live network?
You can find some information on current storage size here. As for the growth rate, nobody can predict how much transactions per second we can expect even in the next month. Number of accounts metric ...
- 6,886
1
vote
Accepted
Are the stellar history (XDR) files available in other regions or on other cloud providers
We don't have any other official history archived besides history.stellar.org, although we do plan to add more at some point in the future.
We're also hoping others will step up and host history ...
Only top scored, non community-wiki answers of a minimum length are eligible