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https://github.com/NousResearch/hermes-agent.git
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3f43aec15d
Two accretion-over-time leaks that compound over long CLI / gateway lifetimes. Both were flagged in the memory-leak audit. ## file_tools._read_tracker _read_tracker[task_id] holds three sub-containers that grew unbounded: read_history set of (path, offset, limit) tuples — 1 per unique read dedup dict of (path, offset, limit) → mtime — same growth pattern read_timestamps dict of resolved_path → mtime — 1 per unique path A CLI session uses one stable task_id for its lifetime, so these were uncapped. A 10k-read session accumulated ~1.5MB of tracker state that the tool no longer needed (only the most recent reads are relevant for dedup, consecutive-loop detection, and write/patch external-edit warnings). Fix: _cap_read_tracker_data() enforces hard caps on each container after every add. Defaults: read_history=500, dedup=1000, read_timestamps=1000. Eviction is insertion-order (Python 3.7+ dict guarantee) for the dicts; arbitrary for the set (which only feeds diagnostic summaries). ## process_registry._completion_consumed Module-level set that recorded every session_id ever polled / waited / logged. No pruning. Each entry is ~20 bytes, so the absolute leak is small, but on a gateway processing thousands of background commands per day the set grows until process exit. Fix: _prune_if_needed() now discards _completion_consumed entries alongside the session dict evictions it already performs (both the TTL-based prune and the LRU-over-cap prune). Adds a final belt-and-suspenders pass that drops any dangling entries whose session_id no longer appears in _running or _finished. Tests: tests/tools/test_accretion_caps.py — 9 cases * Each container bound respected, oldest evicted * No-op when under cap (no unnecessary work) * Handles missing sub-containers without crashing * Live read_file_tool path enforces caps end-to-end * _completion_consumed pruned on TTL expiry * _completion_consumed pruned on LRU eviction * Dangling entries (no backing session) cleared Broader suite: 3486 tests/tools + tests/cli pass. The single flake (test_alias_command_passes_args) reproduces on unchanged main — known cross-test pollution under suite-order load. |
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| .. | ||
| acp | ||
| agent | ||
| cli | ||
| cron | ||
| e2e | ||
| environments/benchmarks | ||
| fakes | ||
| gateway | ||
| hermes_cli | ||
| honcho_plugin | ||
| integration | ||
| plugins | ||
| run_agent | ||
| skills | ||
| tools | ||
| __init__.py | ||
| conftest.py | ||
| run_interrupt_test.py | ||
| test_batch_runner_checkpoint.py | ||
| test_cli_file_drop.py | ||
| test_cli_skin_integration.py | ||
| test_ctx_halving_fix.py | ||
| test_empty_model_fallback.py | ||
| test_evidence_store.py | ||
| test_hermes_constants.py | ||
| test_hermes_logging.py | ||
| test_hermes_state.py | ||
| test_honcho_client_config.py | ||
| test_ipv4_preference.py | ||
| test_mcp_serve.py | ||
| test_minisweagent_path.py | ||
| test_model_picker_scroll.py | ||
| test_model_tools.py | ||
| test_model_tools_async_bridge.py | ||
| test_ollama_num_ctx.py | ||
| test_packaging_metadata.py | ||
| test_plugin_skills.py | ||
| test_project_metadata.py | ||
| test_retry_utils.py | ||
| test_sql_injection.py | ||
| test_subprocess_home_isolation.py | ||
| test_timezone.py | ||
| test_toolset_distributions.py | ||
| test_toolsets.py | ||
| test_trajectory_compressor.py | ||
| test_trajectory_compressor_async.py | ||
| test_utils_truthy_values.py | ||