{"record":{"id":"09331493078c5e0a","repo":"xai-org/grok-build","slug":"git-walk-timed-out-after-s","errorCode":null,"errorMessage":"git walk timed out after {}s","messagePattern":"git walk timed out after (.+?)s","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/codegen/xai-grok-workspace/src/session/git_gate.rs","lineNumber":381,"sourceCode":"        }\n    }\n\n    async fn finish_wait<T: Clone + 'static>(\n        &self,\n        key: &FlightKey,\n        rx: watch::Receiver<Option<WalkOutcome>>,\n        epoch: u64,\n    ) -> WaitEnd<T> {\n        match tokio::time::timeout(self.inner.walk_timeout, join_inflight::<T>(rx)).await {\n            Ok(result) => {\n                if epoch == self.current_epoch(&key.root) {\n                    WaitEnd::Done(result)\n                } else {\n                    WaitEnd::Retry(result)\n                }\n            }\n            Err(_) => {\n                let timed_out = Err(anyhow!(\n                    \"git walk timed out after {}s\",\n                    self.inner.walk_timeout.as_secs()\n                ));\n                if epoch != self.current_epoch(&key.root) {\n                    WaitEnd::Retry(timed_out)\n                } else if let Some(value) = self.live_snapshot(key) {\n                    WaitEnd::Done(take_typed(&value))\n                } else {\n                    WaitEnd::Done(timed_out)\n                }\n            }\n        }\n    }\n\n    fn publish(\n        &self,\n        key: &FlightKey,\n        tx: watch::Sender<Option<WalkOutcome>>,","sourceCodeStart":363,"sourceCodeEnd":399,"githubUrl":"https://github.com/xai-org/grok-build/blob/bc7f02eddd3d84085849dc19ed216f11c23b0571/crates/codegen/xai-grok-workspace/src/session/git_gate.rs#L363-L399","documentation":"The git gate deduplicates repository-walk work through a single-flight cache; waiters wait on an in-flight walk with a configured walk_timeout. When the walk does not complete within that window and no fresh snapshot is available (or the snapshot's epoch/TTL is stale), the waiting caller receives this timeout error from finish_wait (raised in run).","triggerScenarios":"A caller of run() waits on a git discovery/walk for the same root+kind that takes longer than inner.walk_timeout (git_gate.rs:381): very large repositories, slow/network filesystems (NFS), pathological .git sizes, or a stalled spawn_blocking walk. Also returned to waiters whose epoch advanced during the timeout (then retried instead of silently using stale data).","commonSituations":"Pointing the workspace at a huge monorepo or a slow mounted network share; system under heavy IO/CPU load starving the blocking walk; walk_timeout configured too low for the repo size; many concurrent requests piling onto one stalled leader task.","solutions":["Retry the operation — the gate is designed so a new caller can become the leader and re-run the walk.","Increase the walk_timeout configuration to accommodate the repository size/storage latency.","Investigate why the walk is slow (repo size, NFS mounts, disk IO) or exclude the slow path from scanning.","Check host load — a starved blocking pool can keep the walk from completing even on small repos."],"exampleFix":"// before\nlet gate = GitGate::new(GateConfig { walk_timeout: Duration::from_secs(5), ..Default::default() });\n// after\nlet gate = GitGate::new(GateConfig { walk_timeout: Duration::from_secs(120), ..Default::default() }); // large monorepo / NFS","handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":"// timeout is transient: the walk may succeed on retry with a fresh leader\nmatch gate_op().await {\n    Err(e) if e.to_string().contains(\"git walk timed out\") => {\n        tokio::time::sleep(Duration::from_millis(500)).await;\n        gate_op().await\n    }\n    other => other,\n}","preventionTips":["Size walk_timeout to the largest repository you support (monorepos need minutes, not seconds).","Avoid pointing the workspace at NFS/network mounts when possible.","Monitor blocking-pool and IO load; a stalled walk starves all waiters.","Rely on the gate's snapshot TTL to serve stale-but-fresh-enough results under load."],"tags":["git","timeout","performance"],"backgroundTag":"operation-timed-out","analyzedSha":"bc7f02eddd3d84085849dc19ed216f11c23b0571","analyzedAt":"2026-08-31T04:59:42.031Z","schemaVersion":2},"datasetVersion":"2026-08-31T09:17:48.483Z"}