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Merge remote-tracking branch 'origin/stable' into unstable

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Michael Sproul
2025-11-20 13:04:32 +11:00
parent d59e340d3b ced49dd265
commit 261322c3e3
29 changed files with 353 additions and 259 deletions
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1
book/book.toml
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@@ -1,7 +1,6 @@
[book]
authors = ["Paul Hauner", "Age Manning"]
language = "en"
multilingual = false
src = "src"
title = "Lighthouse Book"

12
book/src/advanced_blobs.md
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@@ -6,12 +6,12 @@ With the [Fusaka](https://ethereum.org/roadmap/fusaka) upgrade, the main feature
Table below summarizes the role of relevant flags in Lighthouse beacon node:
| | Post-Deneb, Pre-Fulu || Post-Fulu ||
|-------|----------|----------|-----------|----------|
| Flag | Usage | Can serve blobs? | Usage | Can serve blobs? |
| --prune-blobs false | Does not prune blobs since using the flag | Yes, for blobs since using the flag and for the past 18 days | Does not prune data columns since using the flag | No |
| --semi-supernode | - | - | Store half data columns | Yes, for blobs since using the flag for a max of 18 days |
| --supernode | - | - | Store all data columns | Yes, for blobs since using the flag for a max of 18 days |
| | Post-Deneb, Pre-Fulu | | Post-Fulu | |
|---------------------|-------------------------------------------|--------------------------------------------------------------|--------------------------------------------------|----------------------------------------------------------|
| Flag | Usage | Can serve blobs? | Usage | Can serve blobs? |
| --prune-blobs false | Does not prune blobs since using the flag | Yes, for blobs since using the flag and for the past 18 days | Does not prune data columns since using the flag | No |
| --semi-supernode | - | - | Store half data columns | Yes, for blobs since using the flag for a max of 18 days |
| --supernode | - | - | Store all data columns | Yes, for blobs since using the flag for a max of 18 days |
While both `--supernode` and `--semi-supernode` can serve blobs, a supernode will be faster to respond to blobs queries as it skips the blob reconstruction step. Running a supernode also helps the network by serving the data columns to its peers.

10
book/src/advanced_database.md
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@@ -63,11 +63,11 @@ that we have observed are:
The following table lists the data for different configurations. Note that the disk space requirement is for the `chain_db` and `freezer_db`, excluding the `blobs_db`.
| Hierarchy Exponents | Storage Requirement | Sequential Slot Query | Uncached Query | Time to Sync |
|---|---|---|---|---|
| 5,9,11,13,16,18,21 (default) | 418 GiB | 250-700 ms | up to 10 s | 1 week |
| 5,7,11 (frequent snapshots) | 589 GiB | 250-700 ms | up to 6 s | 1 week |
| 0,5,7,11 (per-slot diffs) | 2500 GiB | 250-700 ms | up to 4 s | 7 weeks |
| Hierarchy Exponents | Storage Requirement | Sequential Slot Query | Uncached Query | Time to Sync |
|------------------------------|---------------------|-----------------------|----------------|--------------|
| 5,9,11,13,16,18,21 (default) | 418 GiB | 250-700 ms | up to 10 s | 1 week |
| 5,7,11 (frequent snapshots) | 589 GiB | 250-700 ms | up to 6 s | 1 week |
| 0,5,7,11 (per-slot diffs) | 2500 GiB | 250-700 ms | up to 4 s | 7 weeks |
[Jim](https://github.com/mcdee) has done some experiments to study the response time of querying random slots (uncached query) for `--hierarchy-exponents 0,5,7,11` (per-slot diffs) and `--hierarchy-exponents 5,9,11,13,17,21` (per-epoch diffs), as show in the figures below. From the figures, two points can be concluded:

4
book/src/api_vc_endpoints.md
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@@ -132,7 +132,7 @@ Returns information regarding the health of the host machine.
| Property | Specification |
|-------------------|--------------------------------------------|
| Path | `/lighthouse/ui/health` |
| Path | `/lighthouse/ui/health` |
| Method | GET |
| Required Headers | [`Authorization`](./api_vc_auth_header.md) |
| Typical Responses | 200 |
@@ -178,7 +178,7 @@ Returns the graffiti that will be used for the next block proposal of each valid
| Property | Specification |
|-------------------|--------------------------------------------|
| Path | `/lighthouse/ui/graffiti` |
| Path | `/lighthouse/ui/graffiti` |
| Method | GET |
| Required Headers | [`Authorization`](./api_vc_auth_header.md) |
| Typical Responses | 200 |

16
book/src/archived_merge_migration.md
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@@ -25,14 +25,14 @@ All networks (**Mainnet**, **Goerli (Prater)**, **Ropsten**, **Sepolia**, **Kiln
<div align="center">
| Network | Bellatrix | The Merge | Remark |
|---------|-------------------------------|-------------------------------| -----------|
| Ropsten | 2<sup>nd</sup> June 2022 | 8<sup>th</sup> June 2022 | Deprecated |
| Sepolia | 20<sup>th</sup> June 2022 | 6<sup>th</sup> July 2022 | |
| Goerli | 4<sup>th</sup> August 2022 | 10<sup>th</sup> August 2022 | Previously named `Prater`|
| Mainnet | 6<sup>th</sup> September 2022| 15<sup>th</sup> September 2022| |
| Chiado | 10<sup>th</sup> October 2022 | 4<sup>th</sup> November 2022 | |
| Gnosis | 30<sup>th</sup> November 2022| 8<sup>th</sup> December 2022 | |
| Network | Bellatrix | The Merge | Remark |
|---------|-------------------------------|--------------------------------|---------------------------|
| Ropsten | 2<sup>nd</sup> June 2022 | 8<sup>th</sup> June 2022 | Deprecated |
| Sepolia | 20<sup>th</sup> June 2022 | 6<sup>th</sup> July 2022 | |
| Goerli | 4<sup>th</sup> August 2022 | 10<sup>th</sup> August 2022 | Previously named `Prater` |
| Mainnet | 6<sup>th</sup> September 2022 | 15<sup>th</sup> September 2022 | |
| Chiado | 10<sup>th</sup> October 2022 | 4<sup>th</sup> November 2022 | |
| Gnosis | 30<sup>th</sup> November 2022 | 8<sup>th</sup> December 2022 | |
</div>