{"record":{"id":"15203d9049a4569a","repo":"influxdata/influxdb","slug":"failed-to-update-table-index-from-object-store","errorCode":null,"errorMessage":"Failed to update table index from object store","messagePattern":"Failed to update table index from object store","errorType":"exception","errorClass":"TableIndexCacheError","httpStatus":null,"severity":"error","filePath":"influxdb3_write/src/table_index_cache.rs","lineNumber":99,"sourceCode":"    #[error(\"Failed to load table index conversion marker bytes from object store\")]\n    LoadConversionMarkerBytesError(#[source] object_store::Error),\n\n    #[error(\"Failed to serialize initial table index conversion marker\")]\n    SerializeConversionMarkerError(#[source] serde_json::Error),\n\n    #[error(\"Failed to put initial table index conversion marker to object store\")]\n    PutConversionMarkerError(#[source] object_store::Error),\n\n    #[error(\"Failed to parse snapshot info file path\")]\n    ParseSnapshotPathError(#[source] anyhow::Error),\n\n    #[error(\"Failed to split persisted snapshot into table snapshots\")]\n    SplitPersistedSnapshotError(#[source] crate::table_index::TableIndexError),\n\n    #[error(\"Failed to load table index from object store\")]\n    LoadTableIndexFromObjectStoreError(#[source] crate::table_index::TableIndexError),\n\n    #[error(\"Failed to update table index from object store\")]\n    UpdateTableIndexFromObjectStoreError(#[source] crate::table_index::TableIndexError),\n\n    #[error(\"Failed to create table index from object store\")]\n    CreateTableIndexFromObjectStoreError(#[source] crate::table_index::TableIndexError),\n\n    #[error(\"Failed to delete parquet file {path} from object store\")]\n    DeleteParquetFile {\n        path: String,\n        #[source]\n        source: object_store::Error,\n    },\n\n    #[error(\"Failed to delete table index {table_id} from object store\")]\n    DeleteTableIndex {\n        table_id: TableIndexId,\n        #[source]\n        source: object_store::Error,\n    },","sourceCodeStart":81,"sourceCodeEnd":117,"githubUrl":"https://github.com/influxdata/influxdb/blob/06200ef96ba82c5f6727e5038a83af8e722c6875/influxdb3_write/src/table_index_cache.rs#L81-L117","documentation":"TableIndexCacheError::UpdateTableIndexFromObjectStoreError is thrown when refreshing/updating a cached table index from object-store snapshot data fails. It wraps a crate::table_index::TableIndexError via #[source]. The cached index could not be brought in sync with the persisted snapshot files.","triggerScenarios":"Periodic or on-demand refresh of a TableIndexCache entry (update path in table_index_cache.rs) where applying/reloading snapshot data from the object store yields a TableIndexError — e.g. object read error, snapshot parse failure, or version conflict.","commonSituations":"Concurrent writers producing snapshot churn while the cache refreshes; object store throttling (S3 503/GCS rate limits) during reads; snapshot format changed after an InfluxDB 3 upgrade; transient network failures to the blob store.","solutions":["Read the wrapped TableIndexError source to determine whether it is I/O, missing-object, or parse related.","Retry the update — transient object-store errors are common; the cache refresh path is safe to re-run.","Check object store rate limits / quotas if errors cluster under load.","Verify snapshot file compatibility across InfluxDB 3 versions before upgrading."],"exampleFix":"// before: treating update failure as fatal\nmatch cache.update_index(db, table).await {};\n// after: retry transient failures\nmatch cache.update_index(db, table).await {\n  Err(e) if is_transient_object_store_error(&e) => retry_with_backoff(|| cache.update_index(db, table)),\n  other => other,\n}","handlingStrategy":"retry","validationCode":"// Rust: confirm the snapshot objects still exist before refresh\nfor loc in &snapshot_locations {\n  if object_store.head(loc).await.is_err() {\n    return Err(\"snapshot missing; skip refresh\");\n  }\n}","typeGuard":"fn is_update_index_err(e: &TableIndexCacheError) -> bool {\n  matches!(e, TableIndexCacheError::UpdateTableIndexFromObjectStoreError(_))\n}","tryCatchPattern":"match cache.update_index(db, table).await {\n  Err(e @ TableIndexCacheError::UpdateTableIndexFromObjectStoreError(src))\n    if src.is_transient() => schedule_retry(e),\n  Err(e) => return Err(e),\n  Ok(_) => {}\n}","preventionTips":["Use exponential backoff for cache refreshes against throttled stores.","Monitor object store rate-limit metrics during high snapshot churn.","Test snapshot compatibility in staging before version upgrades.","Keep refresh intervals comfortably longer than snapshot persistence latency."],"tags":["object-store","influxdb3","table-index","cache-refresh"],"backgroundTag":"object-store-operation-failed","analyzedSha":"06200ef96ba82c5f6727e5038a83af8e722c6875","analyzedAt":"2026-09-19T12:55:30.003Z","contentChangedAt":"2026-09-19T12:55:30.003Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}