Refactor and extract RolloutHealthMonitor - #21
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Group the fault-tolerance work into folders instead of scattering it across miles/utils and megatron_utils: - miles/utils/ft_utils/: control_server, health_checker, heartbeat_utils, indep_dp, mini_ft_controller, process_group_utils - miles/utils/audit_utils/: event_analyzer, event_logger, witness, checksum_utils, process_identity - miles/utils/tracking_utils/: structured_log - miles/utils/test_utils/: clock, det_process_group - miles/backends/megatron_utils/ft/: checkpoint_transfer, in_memory_checkpoint, indep_dp, types The tracking facade moves from tracking_utils/__init__.py to tracking_utils/tracking.py (callers import the submodule) so that importing tracking_utils.structured_log does not run a package __init__ that circularly imports the event logger. Pure relocation: git-mv moves, empty package __init__ files, dotted import-path rewrites, and dot-depth fixes for the relative imports that cross a moved path (plus isort reordering). No code changes. Script: ft_restructure_transform.py (attached to the PR); reproduce via verify_mechanical_refactor(base, target, transform) — byte-identical. ci-sglang-pr: #28524 ci-megatron-pr: #21
fzyzcjy
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Group the fault-tolerance work into folders instead of scattering it across miles/utils and megatron_utils: - miles/utils/ft_utils/: control_server, health_checker, heartbeat_utils, indep_dp, mini_ft_controller, process_group_utils - miles/utils/audit_utils/: event_analyzer, event_logger, witness, checksum_utils, process_identity - miles/utils/tracking_utils/: structured_log - miles/utils/test_utils/: clock, det_process_group - miles/backends/megatron_utils/ft/: checkpoint_transfer, in_memory_checkpoint, indep_dp, types The tracking facade moves from tracking_utils/__init__.py to tracking_utils/tracking.py (callers import the submodule) so that importing tracking_utils.structured_log does not run a package __init__ that circularly imports the event logger. Pure relocation: git-mv moves, empty package __init__ files, dotted import-path rewrites, and dot-depth fixes for the relative imports that cross a moved path (plus isort reordering). No code changes. Script: ft_restructure_transform.py (attached to the PR); reproduce via verify_mechanical_refactor(base, target, transform) — byte-identical. ci-sglang-pr: #28524 ci-megatron-pr: #21
fzyzcjy
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Group the fault-tolerance work into folders instead of scattering it across miles/utils and megatron_utils: - miles/utils/ft_utils/: control_server, health_checker, heartbeat_utils, indep_dp, mini_ft_controller, process_group_utils - miles/utils/audit_utils/: event_analyzer, event_logger, witness, checksum_utils, process_identity - miles/utils/tracking_utils/: structured_log - miles/utils/test_utils/: clock, det_process_group - miles/backends/megatron_utils/ft/: checkpoint_transfer, in_memory_checkpoint, indep_dp, types The tracking facade moves from tracking_utils/__init__.py to tracking_utils/tracking.py (callers import the submodule) so that importing tracking_utils.structured_log does not run a package __init__ that circularly imports the event logger. Pure relocation: git-mv moves, empty package __init__ files, dotted import-path rewrites, and dot-depth fixes for the relative imports that cross a moved path (plus isort reordering). No code changes. Script: ft_restructure_transform.py (attached to the PR); reproduce via verify_mechanical_refactor(base, target, transform) — byte-identical. ci-sglang-pr: #28524 ci-megatron-pr: #21
fzyzcjy
added a commit
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Jul 9, 2026
Group the fault-tolerance work into folders instead of scattering it across miles/utils and megatron_utils: - miles/utils/ft_utils/: control_server, health_checker, heartbeat_utils, indep_dp, mini_ft_controller, process_group_utils - miles/utils/audit_utils/: event_analyzer, event_logger, witness, checksum_utils, process_identity - miles/utils/tracking_utils/: structured_log - miles/utils/test_utils/: clock, det_process_group - miles/backends/megatron_utils/ft/: checkpoint_transfer, in_memory_checkpoint, indep_dp, types The tracking facade moves from tracking_utils/__init__.py to tracking_utils/tracking.py (callers import the submodule) so that importing tracking_utils.structured_log does not run a package __init__ that circularly imports the event logger. Pure relocation: git-mv moves, empty package __init__ files, dotted import-path rewrites, and dot-depth fixes for the relative imports that cross a moved path (plus isort reordering). No code changes. Script: ft_restructure_transform.py (attached to the PR); reproduce via verify_mechanical_refactor(base, target, transform) — byte-identical. ci-sglang-pr: #28524 ci-megatron-pr: #21
fzyzcjy
added a commit
that referenced
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Jul 9, 2026
Group the fault-tolerance work into folders instead of scattering it across miles/utils and megatron_utils: - miles/utils/ft_utils/: control_server, health_checker, heartbeat_utils, indep_dp, mini_ft_controller, process_group_utils - miles/utils/audit_utils/: event_analyzer, event_logger, witness, checksum_utils, process_identity - miles/utils/tracking_utils/: structured_log - miles/utils/test_utils/: clock, det_process_group - miles/backends/megatron_utils/ft/: checkpoint_transfer, in_memory_checkpoint, indep_dp, types The tracking facade moves from tracking_utils/__init__.py to tracking_utils/tracking.py (callers import the submodule) so that importing tracking_utils.structured_log does not run a package __init__ that circularly imports the event logger. Pure relocation: git-mv moves, empty package __init__ files, dotted import-path rewrites, and dot-depth fixes for the relative imports that cross a moved path (plus isort reordering). No code changes. Script: ft_restructure_transform.py (attached to the PR); reproduce via verify_mechanical_refactor(base, target, transform) — byte-identical. ci-sglang-pr: #28524 ci-megatron-pr: #21
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