From 7541c815c24d60542e958c8ddb3b652284b718c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=A5=E6=B5=A9?= <YanHao-MBP@oo1.dev>
Date: Mon, 23 Mar 2026 10:21:35 +0800
Subject: [PATCH] =?UTF-8?q?feat(zram):=20=E6=B7=BB=E5=8A=A0=20zram=20?=
 =?UTF-8?q?=E8=87=AA=E5=8A=A8=E9=85=8D=E7=BD=AE=E5=8A=9F=E8=83=BD=E5=8F=8A?=
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---
 1.sh                | 74 +++++++++++++++++++++++++++++++++++++++++++++
 show_zram_status.sh | 34 +++++++++++++++++++++
 2 files changed, 108 insertions(+)
 create mode 100644 show_zram_status.sh

diff --git a/1.sh b/1.sh
index 170b11d..95ca3ee 100644
--- a/1.sh
+++ b/1.sh
@@ -13,6 +13,11 @@ print_red() { echo -e "\033[31m\033[01m$1$2\033[0m"; }
 print_green() { echo -e "\033[32m\033[01m$1$2\033[0m"; }
 print_yellow() { echo -e "\033[33m\033[01m$1$2\033[0m"; }
 
+if [ "$EUID" -ne 0 ]; then
+  print_red "请使用 sudo 运行此脚本"
+  exit 1
+fi
+
 # 设置 bash 为默认 shell
 print_green "###################"
 print_green "##### shell ######"
@@ -253,10 +258,79 @@ start_watchtower() {
     containrrr/watchtower "${WATCHTOWER_ARGS[@]}" $WATCHTOWER_NAME
 }
 
+install_zram() {
+  print_green "###################"
+  print_green "###### zram #######"
+  print_green "###################"
+
+  if [ "$SYSTEM_TYPE" != "debian" ]; then
+    print_yellow "当前仅在 Debian 系统上配置 zram-tools，已跳过"
+    return 0
+  fi
+
+  if [ -f /.dockerenv ] || grep -qaE '(docker|containerd|kubepods|lxc)' /proc/1/cgroup 2>/dev/null; then
+    print_yellow "检测到容器环境，跳过 zram 配置"
+    return 0
+  fi
+
+  echo "正在准备 zram-tools..."
+  if dpkg -s zram-tools >/dev/null 2>&1; then
+    echo "zram-tools 已安装，跳过安装步骤"
+  else
+    apt update && apt install zram-tools -y
+  fi
+
+  if command -v modprobe >/dev/null 2>&1; then
+    if modprobe zram 2>/dev/null; then
+      echo "zram 内核模块已加载"
+    else
+      print_yellow "内核不支持 zram 模块，跳过 zram 配置"
+      return 0
+    fi
+  else
+    print_yellow "未找到 modprobe，继续尝试配置 zram-tools"
+  fi
+
+  local total_mem algo percent
+  total_mem=$(free -m | awk '/^Mem:/{print $2}')
+  echo "检测到总内存: ${total_mem}MB"
+
+  if [ "$total_mem" -le 2500 ]; then
+    percent="100"
+
+    if [ -r /sys/block/zram0/comp_algorithm ] && grep -qw zstd /sys/block/zram0/comp_algorithm; then
+      algo="zstd"
+      echo "策略：内存 <= 2G，使用 zstd 算法 (100% 占比)"
+    else
+      algo="lz4"
+      echo "策略：内存 <= 2G，但内核未报告 zstd 支持，回退到 lz4 (100% 占比)"
+    fi
+  else
+    algo="lz4"
+    percent="60"
+    echo "策略：内存 > 2G，使用 lz4 算法 (60% 占比)"
+  fi
+
+  cat <<EOF >/etc/default/zramswap
+# 自动生成的 zram 配置
+ALGO=$algo
+PERCENT=$percent
+PRIORITY=100
+EOF
+
+  systemctl restart zramswap
+
+  echo "---------------------------------------"
+  echo "zram 部署完成！当前状态："
+  zramctl || true
+  echo "---------------------------------------"
+}
+
 modify_authorized_keys
 bash_aliases
 install_docker
 start_watchtower
+install_zram
 sysctl_config
 
 # source <(curl -fsSL scripts.oo1.dev/nezha-v1.sh)
diff --git a/show_zram_status.sh b/show_zram_status.sh
new file mode 100644
index 0000000..d771cb3
--- /dev/null
+++ b/show_zram_status.sh
@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+#
+# ...
+#
+# 使用方法:
+# URL="https://git.1-h.cc/Scripts/Linux/raw/branch/2026/show_zram_status.sh"; curl -fsSL "$URL" | bash
+
+show_zram_status() {
+  echo "========== zram 运行战报 =========="
+  # 获取 zram 信息并进行格式化处理
+  local stats=$(zramctl --raw --noheadings --output DATA,COMPR,TOTAL)
+
+  if [ -z "$stats" ]; then
+    echo "未发现活跃的 zram 设备。"
+    return
+  fi
+
+  # 提取数据 (单位通常是字节)
+  local data_size=$(echo "$stats" | awk '{print $1}')  # 存入的原始数据
+  local compr_size=$(echo "$stats" | awk '{print $2}') # 压缩后的大小
+  local total_mem=$(echo "$stats" | awk '{print $3}')  # 实际占用的物理内存(含元数据)
+
+  # 计算压缩率和节省空间 (转为 MB)
+  local saved_mb=$(( (data_size - total_mem) / 1024 / 1024 ))
+  local ratio=$(awk "BEGIN {printf \"%.2f\", $data_size / $total_mem}")
+
+  echo "1. 原始数据量: $((data_size / 1024 / 1024)) MB"
+  echo "2. 实际占用内存: $((total_mem / 1024 / 1024)) MB"
+  echo "3. 压缩倍率: ${ratio}x"
+  echo "4. 为系统节省了: **${saved_mb} MB** 物理内存"
+  echo "==================================="
+}
+
+show_zram_status