每日备份 2026-03-27
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Executable
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#!/bin/bash
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# ============================================
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# 上下文使用量检测 & 记忆自动保存脚本
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# 当任一 session 上下文使用量 >= 90% 时自动保存记忆
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# ============================================
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set -e
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# 加载环境变量
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export SILICONFLOW_API_KEY="sk-fpjdtxbxrhtekshircjhegstloxaodriekotjdyzzktyegcl"
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LOG_FILE="/tmp/openclaw/context_memory_check.log"
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TIMESTAMP=$(date '+%Y-%m-%d %H:%M:%S')
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log() {
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echo "[$TIMESTAMP] $1" | tee -a "$LOG_FILE"
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}
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log "========== 上下文使用量检测 =========="
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# 获取 OpenClaw 状态中的 Tokens 信息
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STATUS_OUTPUT=$(openclaw status 2>&1)
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# 提取所有会话的上下文使用量(排除 cached 百分比)
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# 格式: "109k/200k (54%)" - 括号内的数字是上下文使用量
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# cached 格式: "🗄️ 42% cached" - 这不是上下文使用量
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MAX_USAGE=0
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# 逐行处理
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while IFS= read -r line; do
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# 跳过表头和分隔符
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if echo "$line" | grep -q "│.*Tokens"; then
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continue
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fi
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if echo "$line" | grep -q "├"; then
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continue
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fi
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if echo "$line" | grep -q "│ Key"; then
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continue
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fi
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if echo "$line" | grep -q "FAQ:\|Troubleshooting:"; then
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continue
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fi
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# 提取 "XXXk/YYYk (NN%)" 格式中的数字
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# 格式如: 109k/200k (54%)
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usage=$(echo "$line" | grep -oE '[0-9]+k/[0-9]+k \([0-9]+\)%' | grep -oE '\([0-9]+\)' | tr -d '()' || true)
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if [ -n "$usage" ]; then
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if [ "$usage" -gt "$MAX_USAGE" ]; then
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MAX_USAGE=$usage
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fi
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fi
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done <<< "$STATUS_OUTPUT"
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log "📊 当前最高上下文使用量: ${MAX_USAGE}%"
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# 检查是否达到 90% 阈值
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if [ "$MAX_USAGE" -ge 90 ]; then
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log "⚠️ 上下文使用量达到 ${MAX_USAGE}%,开始保存记忆..."
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# 1. 保存文件记忆
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MEMORY_FILE="$HOME/.openclaw/workspace/memory/$(date '+%Y-%m-%d').md"
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echo -e "\n## 🔄 上下文自动保存 (${TIMESTAMP})\n\n**触发原因**: 上下文使用量达到 ${MAX_USAGE}%\n" >> "$MEMORY_FILE"
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log "✅ 文件记忆已更新"
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# 2. 保存向量记忆
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cd ~/openclaw-memory-vector && python3 memory_cli.py add \
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"【自动保存】上下文使用量达到 ${MAX_USAGE}%,系统自动保存记忆。时间: ${TIMESTAMP}" \
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--tag "auto-save,context-90" 2>&1 | tail -1
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log "✅ 向量记忆已保存"
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log "✅ 记忆保存完成"
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else
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log "✅ 上下文使用量正常 (${MAX_USAGE}%),无需保存"
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fi
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log "========== 检测完成 ==========\n"
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