[Bifrost] LogChainExtender is managed by watchdog #3598
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This was referenced Jul 29, 2025
tillrohrmann
approved these changes
Jul 30, 2025
pcholakov
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Jul 30, 2025
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+1 to merge fwiw, this is definitely cleaner! 🐕 Thank you, @AhmedSoliman!
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| // ignore in-flight trims if task-center is shutting down. | ||
| // we don't want to prematurely shutdown the watchdog as we | ||
| // might need it to continue running "during" shutdown. |
The PR introduces two changes: - `Bifrost::find_tail()` will only attempt to seal the chain if FindTailOpts asks for consistent result; we don't need to cripple the fast path for find-tail. - Find tail will eagerly seal the chain without grace period. This is to avoid unnecessary startup delays for single-node setups. The fact that chain sealing is idempotent makes it lighterweight to perform as it'll coalesce nicely with other reconfigurations that might be happening concurrently.
Allows the system to capture the "source" and the "node" for chain seal markers. There is also a new `--reason` flag to `restatectl log seal` to specify the reason, and the reason + the node id will be printed in `restatectl logs describe <id>` output.
A partial seal is when the tail loglet is sealed but the chain itself is not. The read stream will detect this situation and seal the chain after a grace period (5s+50% jitter).
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