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Jimmy Chen 40c2fd5ff4 Instrument tracing spans for block processing and import (#7816 )

#7815

- removes all existing spans, so some span fields that appear in logs like `service_name` may be lost.
- instruments a few key code paths in the beacon node, starting from **root spans** named below:

* Gossip block and blobs
* `process_gossip_data_column_sidecar`
* `process_gossip_blob`
* `process_gossip_block`
* Rpc block and blobs
* `process_rpc_block`
* `process_rpc_blobs`
* `process_rpc_custody_columns`
* Rpc blocks (range and backfill)
* `process_chain_segment`
* `PendingComponents` lifecycle
* `pending_components`

To test locally:
* Run Grafana and Tempo with https://github.com/sigp/lighthouse-metrics/pull/57
* Run Lighthouse BN with `--telemetry-collector-url http://localhost:4317`

Some captured traces can be found here: https://hackmd.io/@jimmygchen/r1sLOxPPeg

Removing the old spans seem to have reduced the memory usage quite a lot - i think we were using them on long running tasks and too excessively:
<img width="910" height="495" alt="image" src="https://github.com/user-attachments/assets/5208bbe4-53b2-4ead-bc71-0b782c788669" />

2025-08-08 05:32:22 +00:00

src

Instrument tracing spans for block processing and import (#7816 )

2025-08-08 05:32:22 +00:00

.gitignore

Add newly created mdbook

2019-09-01 11:31:18 +10:00

.markdownlint.yml

Move MD059 rule to configuration file (#7484 )

2025-05-20 00:12:46 +00:00

book.toml

Update HTTP API docs (#1010 )