ErrLookup › microsoft/FASTER
microsoft/FASTER
Fast persistent recoverable log and key-value store + cache, in C# and C++. · C# · 329 source files
Analyzed at 321d872eab on 2026-09-15. 152 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Invalid checksum found during commit recovery | exception | error | recovery, checksum, fasterlog, corruption |
| Page read from storage failed, skipping page. Inner… | exception | error | io, storage, scan-iterator, faster-log |
| Iterator address is less than log HeadAddress in… | exception | error | scan-iterator, address-out-of-range, truncation, faster-log |
| AsyncFlushPages(), error: %u | error_code | error | async-io, disk-flush, checkpoint, faster |
| unsafe to execute a state machine blockingly when under… | exception | error | concurrency, deadlock-prevention, epoch |
| Use GetNext(out RecordInfo) to retrieve references to… | exception | error | scan-iterator, api-usage, blittable, not-supported |
| Cannot use BlittableParameterSerializer with non-blittable… | exception | error | csharp, faster, serializer, blittable, generics |
| storage operation ( ) was canceled | exception | warning | azure-storage, cancellation, shutdown, retry |
| Out of order message within session | exception | error | csharp, networking, sequencing, faster |
| Attempting to return an already-free block | exception | critical | faster, buffer-pool, double-free, memory |
| BlittableAllocator memory pages are sector aligned - use… | exception | error | blittable, allocator, sector-aligned, unsupported-operation |
| Error: %u | error_code | critical | recovery, async-io, file-read, checkpoint |
| Unable to set first valid segment to | exception | error | csharp, recovery, faster, checkpoint |
| AsyncReadRecordObjectsToMemory invalid for… | exception | error | blittable, allocator, unsupported-operation, internal-api |
| Unexpected OperationType | exception | error | faster, internal-invariant, pending-operations, csharp |
| Incremental snapshots not supported with generic allocator | exception | error | faster, allocator, checkpointing, unsupported-operation |
| uuid_parse returned | error_code | error | guid, parsing, libuuid, assertion |
| Unexpected checkpoint status for COLD store | error_code | error | checkpoint, cold-store, race-condition, invariant |
| AsyncFlushPagesToFile(), error: %u | error_code | error | async-io, file-write, disk-flush, faster |
| Expected empty entry -- found it occupied... | error_code | warning | concurrency, hash-index, race-condition, faster |
| Unsupported number of simultaneous instances | exception | error | resources, thread-local, instance-limit |
| wrong amount of data received from page blob, expected= | exception | error | azure-storage, io, data-integrity |
| Metadata of size does not fit in delta log space of size | exception | error | checkpoint, delta-log, capacity, fasterlog |
| Physical pointer returned by allocator: de-reference… | exception | error | faster, allocator, pointer-access, misconfiguration |
| Invalid number of chunks: | exception | error | faster, checkpoint, resize, configuration, csharp |
| Lease acquisition was canceled | exception | warning | azure-storage, lease, cancellation, shutdown |
| Unable to find valid HybridLog token | exception | critical | faster, recovery, checkpoint, hybridlog |
| Cannot recover from ( | exception | critical | faster, recovery, checkpoint, incompatible |
| Unexpected entry type | exception | error | checkpoint, delta-log, corruption, fasterlog |
| Invalid checkpoint version | exception | error | checkpoint, version-mismatch, recovery, compatibility |
| Cannot use scanUncommitted without setting… | exception | error | fasterlog, iterator, configuration, csharp |
| Invalid checksum for checkpoint | exception | error | checkpoint, checksum, recovery, corruption |
| LogSettings.ObjectLogDevice needs to be specified (e.g.… | exception | error | faster, configuration, devices, object-log |
| Unable to set last valid segment to | exception | error | csharp, recovery, faster, checkpoint |
| Invalid Enum Argument | exception | error | faster, index, resize, state-machine |
| Size of key-value exceeds max of 2GB: | exception | error | faster, allocator, storage, limit-exceeded |
| Unexpected status of SubscribeKV | exception | error | csharp, pubsub, protocol, faster |
| Already recovered until address | exception | error | fasterlog, recovery, invalid-state |
| Invalid release by non-owner thread | exception | error | csharp, concurrency, faster, internal-invariant |
| Allocator with sector size | exception | critical | csharp, faster, storage, sector-size, device |
| Unexpected checkpoint phase | error_code | error | checkpoint, state-machine, concurrency, internal-state |
| Expected occupied entry -- found it empty... | error_code | warning | concurrency, hash-index, race-condition, faster |
| Overflow in AddressInfo - consider running the program in… | exception | error | addressing, overflow, x64, fasterlog |
| Pending reads not supported with pub/sub | exception | error | csharp, faster, pubsub, unsupported-operation |
| Physical pointer returned by allocator: de-reference… | exception | error | faster, allocator, pointer-access, misconfiguration |
| Objects in key/value, but object log not provided during… | exception | error | faster, configuration, devices, object-log |
| Provided bucket address is invalid [%lu] | error_code | error | hash-index, corruption, checkpoint, faster |
| Size is not 32-bit | validation | error | faster, configuration, argument-validation, csharp |
| Attempting to allocate an already-allocated block | exception | error | memory, buffer-pool, double-allocation, csharp |
| Recovery of blobs is single-threaded and should not yield… | exception | error | azure, storage, recovery, duplicate-key |
| Insufficient page size to write delta | exception | error | csharp, faster, hybrid-log, page-size, config |
| Recovering to a specific version within a token is only… | exception | error | faster, recovery, checkpoint, snapshot |
| Cold store checkpoint failed! | error_code | error | checkpoint, cold-store, session, hybridlog |
| Cannot use named iterators with read-only FasterLog | exception | error | fasterlog, iterator, read-only |
| Unsupported object size: | exception | error | addressing, size-limit, fasterlog, memory |
| Unexpected sealed buffer found | exception | error | csharp, buffer, concurrency, invariant, faster |
| Async operations not supported over protected epoch | exception | error | async, epoch-protection, threading, csharp |
| Duplicate tag found in index | exception | error | index-corruption, consistency, checkpoint |
| Number of non-mutable pages (%u) is less than… | error_code | error | configuration, memory-log, invalid-argument, faster |
| Attempting to enqueue into a completed log | exception | error | fasterlog, enqueue, sentinel-value |
| Cannot use CompleteCheckpointAsync when using non-async… | exception | error | async, epoch, checkpoint, api-misuse |
| requested commit num is not available | exception | error | fasterlog, commit, configuration, csharp |
| WARNING: Ignoring invalid *hlog* field | console | warning | config, toml, validation, cpp |
| Error flushing page to device | exception | error | faster, io, flush, checkpoint, csharp |
| The inner list is full! | exception | error | csharp, buffer, capacity, faster |
| Cannot create new SpanByteAndMemory using serialized… | exception | error | spanbyte, memory, invalid-state, csharp |
| Invalid version | exception | error | checkpoint, recovery, version-mismatch, faster |
| Size is not a power of 2 | validation | error | configuration, power-of-two, initialization, faster |
| Page size must be at least of device sector size | exception | error | csharp, configuration, faster, sector-alignment |
| Invalid index size | exception | error | csharp, faster, server-options, config, out-of-range |
| LockableUnsafeContext requires | exception | error | csharp, faster, concurrency, misconfiguration |
| Object log device should not have fixed segment size. Set… | exception | error | faster, configuration, devices, object-log, segment-size |
| Invoke Iterate() on a client session (ClientSession), or… | exception | error | faster, deprecated-api, iteration, csharp |
| Memory size ( ) must be configured to be either 1 (i.e., 0… | exception | error | csharp, configuration, faster, memory-size |
| Wire format already registered | exception | error | csharp, faster, server, duplicate-registration |
| WARNING: Ignoring invalid *hlog-compaction* field | console | warning | config, toml, validation, hlog-compaction |
| Hot store checkpoint failed! | error_code | error | checkpoint, hot-store, persistence |
| Functions not provided for session | exception | error | csharp, faster, null-argument, session |
| No such address exists | exception | error | storage-device, tiering, address-range, argument |
| Unable to read object page, total size greater than 2GB: | exception | error | faster, object-log, recovery, size-limit |
| EndLockable called with locks held | exception | error | locking, invariant-violation, csharp |
| Unexpected checkpoint phase | error_code | error | checkpoint, state-machine, concurrency |
| Entry does not fit on page | exception | error | csharp, faster, allocation, record-size |
| Segment ( ) must be at least of page size ( ) | exception | error | csharp, configuration, faster, page-size |
| Unable to recover from previous commit. Inner exception: | exception | critical | fasterlog, recovery, metadata, corruption |
| Hlog compaction was not successful :( -- retry! | error_code | warning | compaction, auto-compaction, hybridlog, retry |
| Failed to connect server. | exception | error | csharp, networking, tcp, connection, timeout |
| Compact HOT log failed! :( | error_code | error | compaction, hot-store, hybridlog, checkpoint |
| Invalid index commit metadata for ID | exception | error | checkpoint, recovery, not-found, token |
| Invalid segment size | validation | error | configuration, storage-device, validation, segment-size |
| Checksum failed for read | exception | critical | fasterlog, checksum, corruption, csharp |
| LogDir specified without enabling tiered storage… | exception | error | csharp, faster, server-options, config, conflicting-options |
| Error reading page from device | exception | error | faster, io, recovery, device-read, csharp |
| Cannot use scanUncommitted with read-only FasterLog | exception | error | fasterlog, iterator, read-only, scan |
| Session named already exists in recovery info, use… | exception | error | csharp, session-management, recovery, faster |
| Failed to schedule async IO: | console | error | windows, async-io, win32, threadpool |
| Lockable method call when BeginLockable has not been called | exception | error | locking, lifecycle, csharp |
| Invalid log commit metadata for ID | exception | error | checkpoint, recovery, missing-metadata, fasterlog |
| should be at least of size 8 cache line (512 bytes) | validation | error | configuration, fasterkv, index-size, validation |
| elementIndex | validation | error | memory, argument-out-of-range, unmanaged, csharp |