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dev
helm-3.65.1
v0.69
v0.70beta
v3.33
${ noResults }
5 Commits (b1856dfc9ff303a2fb0a4a98abc8d9430326ea5f)
| Author | SHA1 | Message | Date |
|---|---|---|---|
chrislu
|
2bc29f93d3 |
feat: Add comprehensive broker-side logging for disk read debugging
Phase 6: Root Cause Debugging - Broker Disk Read Path Added extensive logging to trace disk read failures: - FetchMessage: Logs every read attempt with full details - ReadMessagesAtOffset: Tracks which code path (memory/disk) - readHistoricalDataFromDisk: Logs cache hits/misses - extractMessagesFromCache: Traces extraction logic Changes: - broker_grpc_fetch.go: Added CRITICAL detection for empty reads - log_read_stateless.go: Comprehensive PATH and state logging Test Results: - 87.9% delivery (consistent) - FOUND THE BUG: Cache hit but extraction returns empty! Root Cause Identified: [DiskCache] Cache HIT: cachedMessages=572 [StatelessRead] WARNING: Disk read returned 0 messages The Problem: - Request offset 1572 - Chunk start: 1000 - Position in chunk: 572 - Chunk has messages 0-571 (572 total) - Check: positionInChunk (572) >= len(chunkMessages) (572) → TRUE - Returns empty! This is an OFF-BY-ONE ERROR in extractMessagesFromCache: The chunk contains offsets 1000-1571, but request for 1572 is out of range. The real issue: chunk was only read up to 1571, but HWM says 1572+ exist. Next: Fix the chunk reading logic or offset calculation |
2 months ago |
|
chrislu
|
be247ae497 |
feat: Add critical broker data retrieval bug detection logging
Phase 4.5: Root Cause Identified - Broker-Side Bug Added detailed logging to detect when broker returns 0 messages despite HWM indicating data exists: - CRITICAL BUG log when broker returns empty but HWM > requestedOffset - Logs broker metadata (logStart, nextOffset, endOfPartition) - Per-message logging for debugging Changes: - broker_client_fetch.go: Added CRITICAL BUG detection and logging Test Results: - 87.9% delivery (2067/2350) - consistent with previous - Confirmed broker bug: Returns 0 messages for offset 1424 when HWM=1428 Root Cause Discovered: ✅ Gateway fetch logic is CORRECT ✅ HWM calculation is CORRECT ❌ Broker's ReadMessagesAtOffset or disk read function FAILING SILENTLY Evidence: Multiple CRITICAL BUG logs show broker can't retrieve data that exists: - topic-3[0] offset 1424 (HWM=1428) - topic-2[0] offset 968 (HWM=969) Answer to 'Why does stream stop?': 1. Broker can't retrieve data from storage for certain offsets 2. Gateway gets empty responses repeatedly 3. Sarama gives up thinking no more data 4. Channel closes cleanly (not a crash) Next: Investigate broker's ReadMessagesAtOffset and disk read path |
2 months ago |
|
chrislu
|
4b4dffc731 |
refactor: change remaining glog.Infof debug messages to V(3)
Changed remaining debug log messages with bracket prefixes from
glog.Infof() to glog.V(3).Infof() to prevent them from showing
in production logs by default.
Changes (8 messages across 3 files):
- glog.Infof("[") -> glog.V(3).Infof("[")
Files updated:
- weed/mq/broker/broker_grpc_fetch.go (4 messages)
- [FetchMessage] CALLED! debug marker
- [FetchMessage] request details
- [FetchMessage] LogBuffer read start
- [FetchMessage] LogBuffer read completion
- weed/mq/kafka/integration/broker_client_fetch.go (3 messages)
- [FETCH-STATELESS-CLIENT] received messages
- [FETCH-STATELESS-CLIENT] converted records (with data)
- [FETCH-STATELESS-CLIENT] converted records (empty)
- weed/mq/kafka/integration/broker_client_publish.go (1 message)
- [GATEWAY RECV] _schemas topic debug
Now ALL debug messages with bracket prefixes require -v=3 or higher:
- Default (-v=0): Clean production logs ✅
- -v=3: All debug messages visible
- -v=4: All verbose debug messages visible
Result: Production logs are now clean with default settings!
|
2 months ago |
|
chrislu
|
4d86fd345b |
refactor: reduce verbosity of debug log messages
Changed debug log messages with bracket prefixes from V(1)/V(2) to V(3)/V(4)
to reduce log noise in production. These messages were added during development
for detailed debugging and are still available with higher verbosity levels.
Changes:
- glog.V(2).Infof("[") -> glog.V(4).Infof("[") (~104 messages)
- glog.V(1).Infof("[") -> glog.V(3).Infof("[") (~30 messages)
Affected files:
- weed/mq/broker/broker_grpc_fetch.go
- weed/mq/broker/broker_grpc_sub_offset.go
- weed/mq/kafka/integration/broker_client_fetch.go
- weed/mq/kafka/integration/broker_client_subscribe.go
- weed/mq/kafka/integration/seaweedmq_handler.go
- weed/mq/kafka/protocol/fetch.go
- weed/mq/kafka/protocol/fetch_partition_reader.go
- weed/mq/kafka/protocol/handler.go
- weed/mq/kafka/protocol/offset_management.go
Benefits:
- Cleaner logs in production (default -v=0)
- Still available for deep debugging with -v=3 or -v=4
- No code behavior changes, only log verbosity
- Safer than deletion - messages preserved for debugging
Usage:
- Default (-v=0): Only errors and important events
- -v=1: Standard info messages
- -v=2: Detailed info messages
- -v=3: Debug messages (previously V(1) with brackets)
- -v=4: Verbose debug (previously V(2) with brackets)
|
2 months ago |
|
chrislu
|
ba1a8aed64 |
log read stateless
|
2 months ago |