This commit implements async disk I/O fallback to handle cases where:
1. Data is flushed from memory before consumers can read it (CI issue)
2. Consumers request historical offsets not in memory
3. Small LogBuffer retention in resource-constrained environments
Changes:
- Add readHistoricalDataFromDisk() helper function
- Update ReadMessagesAtOffset() to call ReadFromDiskFn when offset < bufferStartOffset
- Properly handle maxMessages and maxBytes limits during disk reads
- Return appropriate nextOffset after disk reads
- Log disk read operations at V(2) and V(3) levels
Benefits:
- Fixes CI test failures where data is flushed before consumption
- Enables consumers to catch up even if they fall behind memory retention
- No blocking on hot path (disk read only for historical data)
- Respects existing ReadFromDiskFn timeout handling
How it works:
1. Try in-memory read first (fast path)
2. If offset too old and ReadFromDiskFn configured, read from disk
3. Return disk data with proper nextOffset
4. Consumer continues reading seamlessly
This fixes the 'offset 0 too old (earliest in-memory: 5)' error in
TestOffsetManagement where messages were flushed before consumer started.
This commit adds proper context propagation throughout the produce path,
enabling client-side timeouts to be honored on the broker side. Previously,
only fetch operations respected client timeouts - produce operations continued
indefinitely even if the client gave up.
Changes:
- Add ctx parameter to ProduceRecord and ProduceRecordValue signatures
- Add ctx parameter to PublishRecord and PublishRecordValue in BrokerClient
- Add ctx parameter to handleProduce and related internal functions
- Update all callers (protocol handlers, mocks, tests) to pass context
- Add context cancellation checks in PublishRecord before operations
Benefits:
- Faster failure detection when client times out
- No orphaned publish operations consuming broker resources
- Resource efficiency improvements (no goroutine/stream/lock leaks)
- Consistent timeout behavior between produce and fetch paths
- Better error handling with proper cancellation signals
This fixes the root cause of CI test timeouts where produce operations
continued indefinitely after clients gave up, leading to cascading delays.
Consumer group operations (coordinator discovery, offset fetch/commit) are
slower in CI environments with limited resources. This increases timeouts to:
- ProduceMessages: 10s -> 30s (for when consumer groups are active)
- ConsumeWithGroup: 30s -> 60s (for offset fetch/commit operations)
Fixes the TestOffsetManagement timeout failures in GitHub Actions CI.
* Signature verification should not check permissions - that's done later in authRequest
* test permissions during signature verfication
* fix s3 test path
* s3tests_boto3 => s3tests
* remove extra lines
Problem: Race condition in cache lookup logic:
Thread A reads cache metadata (17+ records, endOffset = 32)
Thread B modifies/truncates the cache to 17 records
Thread A calculates startIdx = 19 based on old metadata
Slice operation consumedRecords[19:17] panics
chrislu
Chris Lu