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#!/bin/bash
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# 设置 Python 路径,让脚本能找到 db_service, config, deepwalk 等模块
export PYTHONPATH=/home/tw/recommendation/offline_tasks:$PYTHONPATH
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offline tasks
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cd /home/tw/recommendation/offline_tasks
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# mkdir bak___before_rm_run_all_py
# mv output logs nohup.out bak___before_rm_run_all_py/
# mkdir output
# mkdir logs
# ============================================================================
# 配置区域
# ============================================================================
# 算法参数
LOOKBACK_DAYS=400
TOP_N=50
DEBUG_MODE="--debug" # 留空则不开启debug
# Redis配置
REDIS_HOST="localhost"
REDIS_PORT=6379
# 内存监控阈值
MEM_WARN_THRESHOLD=25 # GB
MEM_KILL_THRESHOLD=35 # GB
# ============================================================================
# 工具函数
# ============================================================================
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# 内存监控函数
check_memory() {
local pid=$1
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local task_name=$2
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while kill -0 $pid 2>/dev/null; do
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local mem_mb=$(ps -p $pid -o rss= 2>/dev/null | awk '{print int($1/1024)}')
if [ -n "$mem_mb" ]; then
local mem_gb=$(echo "scale=2; $mem_mb/1024" | bc)
local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
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if [ $(echo "$mem_gb >= $MEM_KILL_THRESHOLD" | bc) -eq 1 ]; then
echo "[$timestamp] ❌ [$task_name] 内存超限!${mem_gb}GB, 强制终止" | tee -a logs/memory_monitor.log
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kill -9 $pid
break
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elif [ $(echo "$mem_gb >= $MEM_WARN_THRESHOLD" | bc) -eq 1 ]; then
echo "[$timestamp] ⚠️ [$task_name] 内存警告: ${mem_gb}GB" | tee -a logs/memory_monitor.log
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fi
fi
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sleep 60
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done
}
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# 运行任务函数
run_task() {
local task_name=$1
local task_cmd=$2
echo ""
echo "======================================================================"
echo "[$task_name] 开始 - $(date '+%Y-%m-%d %H:%M:%S')"
echo "======================================================================"
eval $task_cmd &
local pid=$!
# 启动内存监控
check_memory $pid "$task_name" &
local monitor_pid=$!
# 等待任务完成
wait $pid
local exit_code=$?
# 停止内存监控
kill $monitor_pid 2>/dev/null
if [ $exit_code -eq 0 ]; then
echo "✓ [$task_name] 完成"
return 0
else
echo "✗ [$task_name] 失败,退出码: $exit_code"
return $exit_code
fi
}
# ============================================================================
# 环境准备
# ============================================================================
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# 清理旧进程
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ps -ef | grep "python3.*scripts" | grep -v grep | awk '{print $2}' | xargs kill -9 2>/dev/null
# 创建必要目录
mkdir -p logs output
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echo "======================================================================"
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echo "开始运行离线推荐任务 - $(date '+%Y-%m-%d %H:%M:%S')"
echo "配置: lookback_days=$LOOKBACK_DAYS, top_n=$TOP_N"
echo "内存监控: 警告=${MEM_WARN_THRESHOLD}GB, 终止=${MEM_KILL_THRESHOLD}GB"
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echo "======================================================================"
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# ============================================================================
# 前置任务
# ============================================================================
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# 前置任务1: 获取商品属性
run_task "前置任务1: 获取商品属性" \
"python3 scripts/fetch_item_attributes.py $DEBUG_MODE"
if [ $? -ne 0 ]; then
echo "⚠️ 商品属性获取失败,但继续执行"
fi
# 前置任务2: 生成Session文件
run_task "前置任务2: 生成Session文件" \
"python3 scripts/generate_session.py --lookback_days $LOOKBACK_DAYS --format both $DEBUG_MODE"
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if [ $? -ne 0 ]; then
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echo "❌ Session文件生成失败,退出"
exit 1
fi
# 前置任务3: C++ Swing算法
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echo ""
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echo "======================================================================"
echo "[前置任务3: C++ Swing算法] 开始 - $(date '+%Y-%m-%d %H:%M:%S')"
echo "======================================================================"
cd collaboration
bash run.sh
SWING_EXIT=$?
cd ..
if [ $SWING_EXIT -eq 0 ]; then
echo "✓ [前置任务3: C++ Swing算法] 完成"
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else
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echo "⚠️ [前置任务3: C++ Swing算法] 失败,但继续执行"
fi
# ============================================================================
# i2i相似度任务
# ============================================================================
# Task 1: Python Swing算法
run_task "Task 1: Python Swing算法" \
"python3 scripts/i2i_swing.py --lookback_days $LOOKBACK_DAYS --top_n $TOP_N --use_daily_session $DEBUG_MODE"
if [ $? -ne 0 ]; then
echo "⚠️ Python Swing失败,但继续执行"
fi
# Task 2: Session W2V
run_task "Task 2: Session W2V" \
"python3 scripts/i2i_session_w2v.py --lookback_days $LOOKBACK_DAYS --top_n $TOP_N --save_model $DEBUG_MODE"
if [ $? -ne 0 ]; then
echo "⚠️ Session W2V失败,但继续执行"
fi
# Task 3: DeepWalk
run_task "Task 3: DeepWalk" \
"python3 scripts/i2i_deepwalk.py --lookback_days $LOOKBACK_DAYS --top_n $TOP_N --save_model --save_graph $DEBUG_MODE"
if [ $? -ne 0 ]; then
echo "⚠️ DeepWalk失败,但继续执行"
fi
# Task 4: 内容相似度
run_task "Task 4: 内容相似度" \
"python3 scripts/i2i_content_similar.py"
if [ $? -ne 0 ]; then
echo "⚠️ 内容相似度失败,但继续执行"
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fi
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# Task 5: Item行为相似度
run_task "Task 5: Item行为相似度" \
"python3 scripts/i2i_item_behavior.py --lookback_days $LOOKBACK_DAYS --top_n $TOP_N $DEBUG_MODE"
if [ $? -ne 0 ]; then
echo "⚠️ Item行为相似度失败,但继续执行"
fi
# Task 6: Tag分类相似度
run_task "Task 6: Tag分类相似度" \
"python3 scripts/tag_category_similar.py --lookback_days $LOOKBACK_DAYS --top_n $TOP_N $DEBUG_MODE"
if [ $? -ne 0 ]; then
echo "⚠️ Tag分类相似度失败,但继续执行"
fi
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# ============================================================================
# 兴趣聚合任务
# ============================================================================
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# Task 7: 兴趣聚合
run_task "Task 7: 兴趣聚合" \
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"python3 scripts/interest_aggregation.py --lookback_days $LOOKBACK_DAYS --top_n 1000 $DEBUG_MODE"
if [ $? -ne 0 ]; then
echo "⚠️ 兴趣聚合失败,但继续执行"
fi
# ============================================================================
# 加载到Redis
# ============================================================================
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echo ""
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echo "======================================================================"
echo "[加载到Redis] 开始 - $(date '+%Y-%m-%d %H:%M:%S')"
echo "======================================================================"
python3 scripts/load_index_to_redis.py --redis-host $REDIS_HOST --redis-port $REDIS_PORT
LOAD_EXIT=$?
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if [ $LOAD_EXIT -eq 0 ]; then
echo "✓ [加载到Redis] 完成"
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else
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echo "❌ [加载到Redis] 失败,退出码: $LOAD_EXIT"
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exit 1
fi
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# ============================================================================
# 完成
# ============================================================================
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echo ""
echo "======================================================================"
echo "所有任务完成 - $(date '+%Y-%m-%d %H:%M:%S')"
echo "======================================================================"
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echo ""
echo "输出文件位置:"
echo " - 商品属性: output/item_attributes_mappings.json"
echo " - Session文件: output/session.txt.*"
echo " - C++ Swing: collaboration/output/swing_similar.txt"
echo " - Python算法: output/i2i_*.txt"
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echo " - Item行为相似度: output/i2i_item_behavior_*.txt"
echo " - Tag分类相似度: output/tag_category_similar_*.txt"
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echo " - 兴趣聚合: output/interest_aggregation_*.txt"
echo " - 日志: logs/"
echo ""
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