influxdata/influxdb · error · TableIndexCacheError

Failed to update table index from object store

Error message

Failed to update table index from object store

What it means

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.

Solutions

1. Read the wrapped TableIndexError source to determine whether it is I/O, missing-object, or parse related.
2. Retry the update — transient object-store errors are common; the cache refresh path is safe to re-run.
3. Check object store rate limits / quotas if errors cluster under load.
4. Verify snapshot file compatibility across InfluxDB 3 versions before upgrading.

Example fix

// before: treating update failure as fatal
match cache.update_index(db, table).await {};
// after: retry transient failures
match cache.update_index(db, table).await {
  Err(e) if is_transient_object_store_error(&e) => retry_with_backoff(|| cache.update_index(db, table)),
  other => other,
}

// Rust: confirm the snapshot objects still exist before refresh
for loc in &snapshot_locations {
  if object_store.head(loc).await.is_err() {
    return Err("snapshot missing; skip refresh");
  }
}

fn is_update_index_err(e: &TableIndexCacheError) -> bool {
  matches!(e, TableIndexCacheError::UpdateTableIndexFromObjectStoreError(_))
}

match cache.update_index(db, table).await {
  Err(e @ TableIndexCacheError::UpdateTableIndexFromObjectStoreError(src))
    if src.is_transient() => schedule_retry(e),
  Err(e) => return Err(e),
  Ok(_) => {}
}

When it happens

Trigger: 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.

Common situations: 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.

Related errors

• Failed to create table index from object store
• Failed to delete table index
• Failed to load table index from object store
• Failed to delete parquet file
• Failed to list object store metadata

AI-assisted analysis of influxdata/influxdb@06200ef96b (2026-09-19). Data as JSON: /api/errors/15203d9049a4569a. Report an issue: GitHub.

Appendix: source

Thrown at influxdb3_write/src/table_index_cache.rs:99

    #[error("Failed to load table index conversion marker bytes from object store")]
    LoadConversionMarkerBytesError(#[source] object_store::Error),

    #[error("Failed to serialize initial table index conversion marker")]
    SerializeConversionMarkerError(#[source] serde_json::Error),

    #[error("Failed to put initial table index conversion marker to object store")]
    PutConversionMarkerError(#[source] object_store::Error),

    #[error("Failed to parse snapshot info file path")]
    ParseSnapshotPathError(#[source] anyhow::Error),

    #[error("Failed to split persisted snapshot into table snapshots")]
    SplitPersistedSnapshotError(#[source] crate::table_index::TableIndexError),

    #[error("Failed to load table index from object store")]
    LoadTableIndexFromObjectStoreError(#[source] crate::table_index::TableIndexError),

    #[error("Failed to update table index from object store")]
    UpdateTableIndexFromObjectStoreError(#[source] crate::table_index::TableIndexError),

    #[error("Failed to create table index from object store")]
    CreateTableIndexFromObjectStoreError(#[source] crate::table_index::TableIndexError),

    #[error("Failed to delete parquet file {path} from object store")]
    DeleteParquetFile {
        path: String,
        #[source]
        source: object_store::Error,
    },

    #[error("Failed to delete table index {table_id} from object store")]
    DeleteTableIndex {
        table_id: TableIndexId,
        #[source]
        source: object_store::Error,
    },

View on GitHub (pinned to 06200ef96b)