{"record":{"id":"a915a78a4c169a35","repo":"influxdata/influxdb","slug":"error-from-persister-0","errorCode":null,"errorMessage":"error from persister: {0}","messagePattern":"error from persister: (.+?)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"critical","filePath":"influxdb3_write/src/write_buffer/mod.rs","lineNumber":86,"sourceCode":"#[derive(Debug, Error)]\npub enum Error {\n    #[error(\"line protocol parse failed: {}\", .0.error_message)]\n    ParseError(WriteLineError),\n\n    #[error(\"incoming write was empty\")]\n    EmptyWrite,\n\n    #[error(\"column type mismatch for column {name}: existing: {existing:?}, new: {new:?}\")]\n    ColumnTypeMismatch {\n        name: String,\n        existing: ColumnType,\n        new: ColumnType,\n    },\n\n    #[error(\"catalog update error: {0}\")]\n    CatalogUpdateError(#[from] CatalogError),\n\n    #[error(\"error from persister: {0}\")]\n    PersisterError(#[from] PersisterError),\n\n    #[error(\"corrupt load state: {0}\")]\n    CorruptLoadState(String),\n\n    #[error(\"database name error: {0}\")]\n    DatabaseNameError(#[from] DatabaseNameError),\n\n    #[error(\"error from table buffer: {0}\")]\n    TableBufferError(#[from] table_buffer::Error),\n\n    #[error(\"error in last cache: {0}\")]\n    LastCacheError(#[from] last_cache::Error),\n\n    #[error(\"database not found {db_name:?}\")]\n    DatabaseNotFound { db_name: String },\n\n    #[error(\"table not found {table_name:?} in db {db_name:?}\")]","sourceCodeStart":68,"sourceCodeEnd":104,"githubUrl":"https://github.com/influxdata/influxdb/blob/06200ef96ba82c5f6727e5038a83af8e722c6875/influxdb3_write/src/write_buffer/mod.rs#L68-L104","documentation":"This error wraps a PersisterError raised while the write buffer interacts with its persistence layer (the component that durably stores buffered data and catalog operations, typically backed by object storage). It indicates the failure happened below the buffering layer, in durable persistence, and the underlying PersisterError is preserved via `#[from]`.","triggerScenarios":"Any write-buffer operation that persists data or catalog mutations and the persister fails: flushing buffered writes, persisting catalog operations, loading persisted state at startup, or WAL/persist interactions during writes.","commonSituations":"Object storage (S3/GCS/Local) credentials expired or bucket misconfigured; network partition to storage backend; bucket/container deleted or permissions changed; storage rate limits hit under heavy ingest.","solutions":["Read the inner PersisterError to identify which persistence operation failed","Verify object-store configuration (endpoint, bucket, credentials, region)","Check network connectivity and storage-backend rate limits/quotas","Retry the operation; most persister failures are transient"],"exampleFix":"// before\nlet buf = WriteBuffer::new(...)?; // panics with opaque message on persist failure\n// after\nmatch WriteBuffer::new(...) {\n    Err(WriteBufferError::PersisterError(pe)) => {\n        eprintln!(\"persister unavailable: {pe}; check object store config\");\n        std::process::exit(1);\n    }\n    r => r?,\n}","handlingStrategy":"retry","validationCode":"// before starting, verify persister backend reachable\nobject_store.head(&persist_path).await\n    .expect(\"persister object store not reachable; check config/credentials\");","typeGuard":null,"tryCatchPattern":"match result {\n    Err(WriteBufferError::PersisterError(e)) => {\n        warn!(\"persister failed: {e}\");\n        retry_with_backoff(op); // transient storage failures\n    }\n    other => other?,\n}","preventionTips":["Validate object-store credentials and bucket names at startup with a health check","Set storage retry policies and alert on persistent persister errors","Watch storage quotas and rate limits on S3/GCS","Keep network paths to the storage backend redundant/monitored"],"tags":["persistence","storage","object-store","influxdb"],"backgroundTag":"database-write-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"}