整理备份：删除workspace冗余镜像、更新备份脚本 2026-03-28

2026-03-28 20:05:29 +08:00
parent d09281e48c
commit 10622af38d
11 changed files with 59 additions and 19 deletions
@@ -0,0 +1,55 @@
+#!/bin/bash
+# ============================================================================
+# 向量记忆增量备份脚本
+# 策略：每日一个快照，通过 rsync --link-dest 指向前一天快照
+# 文件内容未变时使用硬链接（不占额外空间）
+# 保留最近 14 个每日快照
+# ============================================================================
+
+set -e
+
+SOURCE="$HOME/.openclaw/memory/main.sqlite"
+BACKUP_DIR="$HOME/openclaw-backup/vector_memory/snapshots"
+TODAY=$(date +%Y%m%d)
+YESTERDAY=$(date -d "yesterday" +%Y%m%d)
+SNAPSHOT_TODAY="$BACKUP_DIR/$TODAY"
+SNAPSHOT_YESTERDAY="$BACKUP_DIR/$YESTERDAY"
+
+mkdir -p "$BACKUP_DIR"
+
+log() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] [vector_backup] $1"
+}
+
+# ---- 检查源文件 ----
+if [ ! -f "$SOURCE" ]; then
+    log "ERROR: 源文件不存在 $SOURCE"
+    exit 1
+fi
+
+# ---- 执行增量/全量备份 ----
+if [ -n "$SNAPSHOT_YESTERDAY" ] && [ -d "$SNAPSHOT_YESTERDAY" ]; then
+    # 有昨天快照：增量硬链接
+    mkdir -p "$SNAPSHOT_TODAY"
+    rsync -a --link-dest="$SNAPSHOT_YESTERDAY" "$SOURCE" "$SNAPSHOT_TODAY/main.sqlite"
+    log "增量备份完成 → $SNAPSHOT_TODAY/main.sqlite ($(du -h "$SNAPSHOT_TODAY/main.sqlite" | cut -f1))"
+else
+    # 无昨天快照（首次或跨天后首次）：全量
+    mkdir -p "$SNAPSHOT_TODAY"
+    cp "$SOURCE" "$SNAPSHOT_TODAY/main.sqlite"
+    log "全量备份完成 → $SNAPSHOT_TODAY/main.sqlite ($(du -h "$SNAPSHOT_TODAY/main.sqlite" | cut -f1))"
+fi
+
+# ---- 清理 14 天前的快照 ----
+SNAP_COUNT=$(ls -d "$BACKUP_DIR"/20* 2>/dev/null | wc -l)
+if [ "$SNAP_COUNT" -gt 14 ]; then
+    ls -dt "$BACKUP_DIR"/20* | tail -n +15 | xargs -r rm -rf
+    log "已清理 14 天前的旧快照"
+fi
+
+# ---- 打印当前快照列表 ----
+log "当前每日快照（共 $SNAP_COUNT 个）:"
+for d in $(ls -dt "$BACKUP_DIR"/20* 2>/dev/null); do
+    log "  $(basename $d) ($(du -sh "$d" | cut -f1))"
+done
+log "总磁盘占用: $(du -sh "$BACKUP_DIR" | cut -f1)"