tursodatabase / tursodatabase/libsql

Server spams logs hard with "Network is unreachable"

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Description

The libSQL server logs in production are often spammed hard with log entries such as:

[info] 2023-11-08T20:52:12.368098Z WARN load_region{provider=ImdsRegionProvider { client: LazyClient { client: OnceCell { value: None }, builder: Builder { max_attempts: None, endpoint: None, mode_override: None, token_ttl: None, connect_timeout: None, read_timeout: None, config: Some(ProviderConfig { env: Env(Real), fs: Fs(Real), sleep: Some(TokioSleep), region: None }) } }, env: Env(Real) }}: aws_config::imds::region: failed to load region from IMDS err=failed to load IMDS session token: dispatch failure: io error: error trying to connect: tcp connect error: Network is unreachable (os error 101): tcp connect error: Network is unreachable (os error 101): Network is unreachable (os error 101) (FailedToLoadToken(FailedToLoadToken { source: DispatchFailure(DispatchFailure { source: ConnectorError { kind: Io, source: hyper::Error(Connect, ConnectError("tcp connect error", Os { code: 101, kind: NetworkUnreachable, message: "Network is unreachable" })), connection: Unknown } }) }))

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing how the libSQL server configures the AWS IMDS region provider and where the reported production warning is emitted. Confirm the conditions that cause repeated “Network is unreachable” entries; done means the server no longer spams these logs while preserving useful diagnostics for genuine failures.

Written by the indexing model from the issue text.

Assessment

Tech stack
aws, rust
Domain
backend, observability
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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