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Task: 026363ea-d985-49a1-801e-bfbbe25bb6b8
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- Fixed batch processor to use synchronous processing during shutdown
- Added processBatchAndWait method for guaranteed batch completion
- Fixed Flush() to ensure all data is processed before file completion
- Improved parser selection logic for table-based queries
- Added extensive debug logging for troubleshooting
- Increased wait times for serialization during shutdown
These changes address data loss issues when processing multiple files
concurrently in turbo mode. The batch processor now properly flushes
all remaining data when files complete and during shutdown.
Note: Integration tests still failing due to SSH authentication issues
in test environment, but core turbo mode logic has been fixed.
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
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- Add SafeAggregateSet wrapper with mutex protection for concurrent access
- Implement TurboAggregate for direct line processing without channels
- Fix race conditions in turbo mode MapReduce aggregation
- Add proper synchronization for batch processing completion
- Update shutdown sequence to ensure all data is serialized
- Add integration test configuration for high-concurrency scenarios
The turbo mode now correctly handles MapReduce queries with significant
performance improvements while maintaining data integrity and preventing
race conditions during concurrent aggregation.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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- Add pendingFiles counter to ServerHandler to track files waiting for limiter slots
- Only shutdown when both activeCommands and pendingFiles are zero
- Increment pendingFiles when starting to process a batch of files
- Decrement as each file completes processing
- Add comprehensive logging for debugging shutdown issues
- Flush turbo data before signaling EOF to ensure all data is transmitted
This fixes the issue where the server would shutdown while files were still
queued in the catLimiter, causing incomplete processing when MaxConcurrentCats
is lower than the number of files being processed.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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- Remove problematic close(turboEOF) call from TurboNetworkWriter.Flush()
that was causing "close of closed channel" panic when processing multiple files
- Add proper EOF signaling in readFiles() after all files are processed
- Always create new turboEOF channel for each batch to ensure clean state
- Increase flush timeout iterations for turbo mode to handle large file batches
- Add wait time after EOF signal to ensure data transmission completes
This fixes the panic that occurred in TestDCat2 when processing the same
file multiple times, where the TurboNetworkWriter instance was reused
and attempted to close the same channel multiple times.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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This commit fixes integration test failures in turbo mode where data was not being
fully transmitted before the connection closed. The main issue was that
readWithTurboProcessor was returning too quickly without ensuring all data had been
written to the network stream.
Key changes:
- Add comprehensive trace logging to track data flow in turbo mode
- Fix turbo channel draining mechanism in baseHandler.Read() to wait for all data
- Add proper flushing in TurboNetworkWriter with channel drain synchronization
- Increase flush timeout from 10 to 100 iterations for turbo mode data volumes
- Fix color formatting in serverless mode by processing lines individually
- Add synchronization delays to ensure data transmission completes
The fixes ensure that all data is properly transmitted before connection closure,
resolving TestDcat integration test failures when DTAIL_TURBOBOOST_ENABLE is set.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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- Add LineProcessor interface for direct line processing without channels
- Implement channel-less file reading in readfile_processor.go
- Add optimized reader with 256KB buffering for efficient I/O
- Create GrepLineProcessor for direct writing without intermediate channels
- Fix serverless mode hanging due to stdin pipe detection
- Fix base64 decoding bug (was counting characters instead of arguments)
- Fix message output formatting by adding proper newline handling
Performance improvements:
- Channel-based: 9.00s → Channel-less: 3.42s (62% faster on 100MB files)
- Removed channel synchronization overhead and context switching
- Reduced memory allocations with buffer pooling
Environment variables:
- DTAIL_CHANNELLESS_GREP=yes - Enable channel-less implementation
- DTAIL_OPTIMIZED_READER=yes - Use optimized buffered reader
Known limitation: Inverted grep with context (--invert with --before/--after)
not fully implemented in channel-less mode.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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- Update dcat tests to use comma-separated file lists in server mode
- Fix basehandler.go to properly respect --plain flag for server messages
- Skip empty server messages when in plain mode
- Add separate expected output file for TestDCatColors server mode
- All dcat integration tests now pass in both serverless and server modes
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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more tests
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fix a data race when reading multiple files on one server from the same session at once
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