redclaw/clawsync
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ci-doctor/coverage-20260519-132014
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Author SHA1 Message Date
osobhandClaude Sonnet 4.6 6d2eb5a1db feat: QUIC backend tests, diff command, clippy/doc fixes, QUIC push race fix 
- Add QuicSyncBackend + quic_scheduler; fix push stream/close race by
  waiting for peer close instead of calling close_and_drain() on the
  client side (SyncComplete stream was racing CONNECTION_CLOSE)
- Add PipeWriteHalf::shutdown_push() for client-sends-last QUIC paths;
  use it in cmd_push so the server can process SyncComplete before the
  connection tears down
- Add SshSyncBackend + ssh_scheduler with subprocess integration tests
- Add clawsync diff command with --porcelain flag and subprocess tests
- Add QUIC subprocess push/pull integration tests
- Fix clippy --tests violations across 5 crates
- Fix broken intra-doc links (reader.rs, lib.rs, scheduler.rs)
- Rewrite crate READMEs; update BENCHMARKS.md with clawsync-fs CDC row

653 tests, 0 failures.

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>
 2026-04-06 22:40:31 -05:00
osobhandClaude Sonnet 4.6 260e15f5b6 Initial commit: ClawSync v0.1.0 
8-crate pure-Rust workspace for revision-aware HDF5 sync.

## Crates
- clawhdf5-onion: ClawOnion VFD — page-level versioned HDF5 storage,
  binary format, writer/reader, branch DAG, GC, snapshots, provenance
- clawsync-core: BLAKE3, xxHash3, FastCDC (+ SIMD NEON), zstd/lz4
- clawsync-onion: IBLT sketch, Merkle tree differ, packet differ/merger,
  ClawSyncManifest, SyncSelector
- clawsync-hdf5: dataset-level manifest, differ, patcher, wire payload
  reconstruction (apply_received_payloads)
- clawsync-transport: TCP, QUIC (quinn 0.11/TLS 1.3), SyncPeer abstraction,
  length-prefixed rkyv wire protocol (21 SyncMessage variants)
- clawsync-agent: OnionMemory, SyncScheduler, TcpSyncBackend,
  PeerCapabilities negotiation
- clawsync-fs: CDC-based delta sync for any file type; FsSyncClient/Server,
  W=16 pipelining, atomic writes
- clawsync-cli: push/pull/serve/hdf5-sync/serve-hdf5/sync/serve-fs +
  all local management commands; --quic on all network commands

## Key features
- IBLT pre-flight: O(revision count) vs rsync's O(file size)
- W=16 sliding-window push: 13–15x speedup over stop-and-wait at WAN RTT
- Dataset-granular HDF5 sync: only modified datasets transferred
- CDC delta for any file type: insertion-stable chunk boundaries
- Full revision DAG: branch, merge, rollback, export, snapshot, GC
- QUIC transport: TLS 1.3, per-message streams via quinn 0.11

## Tests
~573 passing (default features); ~589 with --features simd-cdc

## Performance (Apple Silicon)
- Reconstruct rev=100: 68 µs (target ≤ 1 ms)
- BLAKE3 Rayon 1 MB: 10.3 GiB/s (target ≥ 5 GB/s)
- GC 500 revisions: 20.6 µs (target ≤ 2 s)
- W=16 vs W=1 at 5 ms RTT: 14.8x speedup
- No-op pre-flight at 16 MB: 4 ms vs rsync 35 ms (7.8x)

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>
 2026-04-04 18:41:22 -05:00