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Mention blob retention policy in docs (#6058)

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Jacek Sieka 2024-03-11 21:07:41 +01:00 committed by GitHub
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docs/the_nimbus_book/src/history.md
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@ -7,6 +7,11 @@ Ethereum consensus nodes are required to keep a minimum of 5 months of historica
Nimbus can be configured to either retain or remove historical data past that point using the `--history` option. By default, Nimbus prunes historical data.
!!! note "EIP-4844 blob archival"
In the default `prune` mode, EIP-4844 blobs are retained for ~18 days. To retain blobs beyond that, enable `--history=archive` which also archives blob data in the Nimbus database.
Future versions of Nimbus will allow exporting retained blobs to [erb](https://github.com/status-im/nimbus-eth2/pull/5882) files.
## History modes
The history mode controls how far back Nimbus supports answering historical queries in the [REST API](./rest-api.md).