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feat: UTxO-HD (LMDB) ledger backend.#668

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feat: UTxO-HD (LMDB) ledger backend.#668
matiwinnetou wants to merge 1 commit intomainfrom
utxo_hd

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@matiwinnetou matiwinnetou commented Jan 15, 2026 •
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This PR brings LMDB (UTxO-HD) backend to Rosetta. It reduces memory usage significantly.

I could confirm that we can see lmdb data in a test environment (pre-prod).

matiwinnetou@xxxxx:/ $ sudo find / -name "data.mdb"
/opt/rosetta-java-preprod/node_data/db/ledger/113142641/tables/data.mdb
/opt/rosetta-java-preprod/node_data/db/ledger/113148516/tables/data.mdb

https://ouroboros-consensus.cardano.intersectmbo.org/docs/references/miscellaneous/utxo-hd/migrating/

@matiwinnetou matiwinnetou changed the base branch from main to develop3 January 15, 2026 14:09
@matiwinnetou matiwinnetou force-pushed the utxo_hd branch 4 times, most recently from 6223e5e to 9405967 Compare January 16, 2026 16:25
@matiwinnetou matiwinnetou added invalid This doesn't seem right Currently On Hold labels Jan 20, 2026
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matiwinnetou commented Jan 20, 2026

Currently on hold, waiting for UTxO-HD (LSX) with a full mithril support.

Base automatically changed from develop3 to main February 4, 2026 13:15
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