Give long replay bands stable request identities
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@@ -114,18 +114,34 @@ def resolve_role_trace(base: dict[str, Any], role: str) -> Path:
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return trace
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def private_request_id(
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*, source_sha256: str, line_number: int, original_id: str
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) -> str:
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payload = f"{source_sha256}:{line_number}:{original_id}".encode()
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return f"phase-v2-{hashlib.sha256(payload).hexdigest()}"
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def merge_role_traces(sources: tuple[Path, Path], target: Path) -> dict[str, Any]:
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target.parent.mkdir(parents=True, exist_ok=True)
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temporary = target.with_suffix(target.suffix + ".tmp")
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rows = 0
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with temporary.open("w", encoding="utf-8") as output:
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for source in sources:
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source_digest = sha256_file(source)
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with source.open(encoding="utf-8") as input_file:
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for line in input_file:
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for line_number, line in enumerate(input_file, start=1):
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if not line.strip():
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continue
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json.loads(line)
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output.write(line if line.endswith("\n") else line + "\n")
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row = json.loads(line)
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original_id = str(
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row.get("request_id") or row.get("id") or line_number
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)
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row["request_id"] = private_request_id(
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source_sha256=source_digest,
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line_number=line_number,
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original_id=original_id,
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)
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output.write(json.dumps(row, ensure_ascii=False) + "\n")
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rows += 1
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os.replace(temporary, target)
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return {
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@@ -135,6 +151,7 @@ def merge_role_traces(sources: tuple[Path, Path], target: Path) -> dict[str, Any
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"rows": rows,
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"sources": [str(source) for source in sources],
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"source_sha256": [sha256_file(source) for source in sources],
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"request_id_scheme": "sha256(source_sha256:line_number:original_id)",
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}
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@@ -85,6 +85,15 @@ def main() -> None:
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assert record["offered_req_s_per_gpu"] == 0.25
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assert len(prepare.SESSION_ORDER) == 6
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assert {mns for _replicate, mns in prepare.SESSION_ORDER} == {16, 64}
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first_id = prepare.private_request_id(
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source_sha256="a" * 64, line_number=1, original_id="1"
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)
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assert first_id == prepare.private_request_id(
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source_sha256="a" * 64, line_number=1, original_id="1"
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)
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assert first_id != prepare.private_request_id(
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source_sha256="b" * 64, line_number=1, original_id="1"
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)
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controller = load_controller_module()
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assert math.isclose(controller.remaining_projection(6, 0), 7.7)
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assert math.isclose(controller.remaining_projection(6, 5), 1.45)
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