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38ddb59e007ec064420d17a8c23cc2aa090652dc
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3 Commits

Author SHA1 Message Date
Razvan Dimescu
da93a3cde3 feat: add memory footprint to /stats and dashboard (#26) 
* feat: add memory footprint to /stats and dashboard

Per-structure heap estimation (cache, blocklist, query log, SRTT,
overrides) with process RSS via mach_task_basic_info / sysconf.
Dashboard gets a 6th stat card and a sidebar breakdown panel with
stacked bar visualization.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: use phys_footprint on macOS to match Activity Monitor

Switch from MACH_TASK_BASIC_INFO (resident_size) to TASK_VM_INFO
(phys_footprint) which matches Activity Monitor's Memory column.
Also: capacity-aware heap estimation, entry counts in memory payload,
heap_bytes tests for all stores.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* refactor: remove redundant fields and fix naming in memory stats

Remove duplicate entry counts from MemoryStats (already in parent
StatsResponse), rename process_rss_bytes to process_memory_bytes
to match macOS phys_footprint semantics, drop restating comments.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-01 09:09:44 +03:00
Razvan Dimescu
962b400f4c perf: optimize DNS query hot path (#15) 
* perf: optimize hot path — RwLock, inline filtering, pre-allocated strings

- Mutex → RwLock for cache, blocklist, and overrides (concurrent read access)
- Make cache.lookup() and overrides.lookup() take &self (read-only)
- Eliminate 3 Vec allocations per DnsPacket::write() via inline filtering
- Pre-allocate domain strings with capacity 64 in parse path
- Add criterion micro-benchmarks (hot_path + throughput)
- Add bench README documenting both benchmark suites

Measured improvement: ~14% faster parsing, ~9% pipeline throughput,
round-trip cached 733ns → 698ns (~2.3M queries/sec).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* chore: simplify benchmark code after review

- Remove redundant DnsHeader::new() (already set by DnsPacket::new())
- Remove unused DnsHeader import
- Change simulate_cached_pipeline to take &DnsCache (lookup is &self now)
- Remove unnecessary mut on cache in cache_lookup_miss bench

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-27 02:01:08 +02:00
Razvan Dimescu
4dc5b94c7a add ad blocking, live dashboard, system DNS auto-discovery 
- DNS-level ad blocking: 385K+ domains via Hagezi Pro blocklist, subdomain
  matching, one-click allowlist, pause/toggle, background refresh every 24h
- Live dashboard at :5380 with real-time stats, query log, override
  management (create/edit/delete), blocking controls
- System DNS auto-discovery: parses scutil --dns on macOS to find
  conditional forwarding rules (Tailscale, VPN split-DNS)
- REST API expanded to 18 endpoints (blocking, overrides, diagnostics)
- Startup banner with colored system info
- Performance benchmarks (bench/dns-bench.sh)
- Landing page updated with new positioning and comparison table
- CI, Dockerfile, LICENSE, development plan docs

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-20 10:54:23 +02:00