Files
life-echo/api/app/tasks/memory_compaction_tasks.py
Kevin e884409410 feat(api): Memory compaction 管线与调度修复,同步环境变量示例
Memory compaction(近重复 chunk 软排除)
- 新增 compaction 调度:Redis debounce、scheduler gate、增量游标;任务结束时 finalize,避免 gate 长期占用并处理运行期新 trigger。
- Celery memory_compaction_run:debounce 未到点则 retry;用户级 Redis 锁;成功路径更新游标并 finalize;异常时释放 scheduler gate 并 self.retry,避免静默卡死调度与瞬时失败不重试。
- compaction_service:多层判定 + canonical 打分;无 embedding 时停止前移游标(awaiting_embeddings);curation details 补全 trigger 等上下文。
- ingest_transcript_sync:同步路径尽力写入 embedding,与异步 ingest 行为对齐,避免 compaction 永远扫不到无向量 chunk。
- repo:新增 update_chunk_embedding_sync。
测试
- 扩展 test_memory_compaction:调度合并、finalize、ingest embedding、无向量游标、异常路径 gate+retry 等回归用
2026-03-30 10:46:35 +08:00

80 lines
2.5 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
"""Celerymemory compaction近重复 chunk 软排除)。"""
from __future__ import annotations
import time
from datetime import datetime
from typing import Any
from celery import shared_task
from app.core.config import settings
from app.core.db import get_sync_db
from app.core.logging import get_logger
from app.core.memory_compaction_schedule import (
finalize_memory_compaction_run,
read_debounce_deadline_ts,
release_scheduler_gate,
set_incremental_cursor_pair,
)
from app.core.redis_lock import acquire_redis_lock, release_redis_lock
from app.features.memory.compaction_service import run_memory_compaction_sync
logger = get_logger(__name__)
@shared_task(bind=True, max_retries=12, default_retry_delay=20)
def memory_compaction_run(
self, user_id: str, context: dict[str, Any] | None = None
) -> dict[str, Any]:
if not settings.memory_compaction_enabled:
return {"skipped": True, "reason": "disabled"}
ctx = dict(context or {})
deadline = read_debounce_deadline_ts(user_id)
now = time.time()
if deadline is not None and now < deadline:
delay = max(1.0, deadline - now)
raise self.retry(countdown=int(delay))
lock = acquire_redis_lock(
f"lock:memory_compaction:{user_id}",
ttl_seconds=settings.memory_compaction_lock_ttl_seconds,
)
if lock is None:
logger.info(
"memory_compaction_skipped user_id={} skipped_reason=lock_not_acquired",
user_id,
)
out = {"skipped": True, "reason": "lock_not_acquired"}
finalize_memory_compaction_run(
user_id,
observed_deadline_ts=deadline,
context=ctx,
)
return out
try:
with get_sync_db() as session:
out = run_memory_compaction_sync(session, user_id, ctx)
session.commit()
if out.get("new_cursor_ts") and out.get("new_cursor_id") is not None:
set_incremental_cursor_pair(
user_id,
datetime.fromisoformat(out["new_cursor_ts"]),
str(out["new_cursor_id"]),
)
finalize_memory_compaction_run(
user_id,
observed_deadline_ts=deadline,
context=ctx,
)
return out
except Exception as exc:
logger.warning("memory_compaction_run failed user_id={} err={}", user_id, exc)
release_scheduler_gate(user_id)
raise self.retry(exc=exc)
finally:
release_redis_lock(lock)