# 推荐系统离线任务 - 常用命令

## 安装和测试
cd /home/tw/recommendation/offline_tasks
bash install.sh
python3 test_connection.py

## 运行所有任务
python3 run_all.py --lookback_days 730 --top_n 50

## 运行单个任务
python3 scripts/i2i_swing.py --lookback_days 730 --top_n 50 --time_decay
python3 scripts/i2i_session_w2v.py --lookback_days 730 --top_n 50 --save_model
python3 scripts/i2i_deepwalk.py --lookback_days 730 --top_n 50 --save_model --save_graph
python3 scripts/interest_aggregation.py --lookback_days 730 --top_n 1000

## 加载到Redis
python3 scripts/load_index_to_redis.py --redis-host localhost --redis-port 6379 --expire-days 7

## 查询示例
python3 example_query_redis.py

## 查看日志
tail -f logs/run_all_*.log

## 查看输出
ls -lh output/
head -n 5 output/i2i_swing_*.txt
head -n 5 output/interest_aggregation_hot_*.txt

## 定时任务设置
crontab -e
# 添加：
# 0 2 * * * cd /home/tw/recommendation/offline_tasks && /usr/bin/python3 run_all.py >> logs/cron.log 2>&1
# 0 6 * * * cd /home/tw/recommendation/offline_tasks && /usr/bin/python3 scripts/load_index_to_redis.py >> logs/load_redis.log 2>&1