fastdfs 全套依赖阿里云盘地址： 「fastdfsv5.08安装全套依赖」https://www.aliyundrive.com/s/hDpZdKVFBuk 点击链接保存，或者复制本段内容，打开「阿里云盘」APP ，无需下载极速在线查看，视频原画倍速播放。
一、 fastdfs tracker ，storrage 安装
1 安装gcc
yum install -y gcc gcc-c++
2 安装libevent
yum -y install libevent
3 安装其他依赖
yum -y install zlib zlib-devel pcre pcre-devel gcc gcc-c++ openssl openssl-devel libevent libevent-devel perl unzip net-tools wget
3 安装 libfastcommon
备注:libfastcommon有很多版本，实测github的 libfastcommonmaster 可以用
下载地址：https://codeload.github.com/xintyan/libfastcommon-master/zip/refs/heads/master
解压对应的zip包: unzip libfastcommon-master-master.zip
进入目录: cd libfastcommon-master-master
然后修改 make.sh 数据权限:chmod 777 make.sh
编译 ./make.sh
安装 ./make.sh install
4 安装 fastdfs
下载地址:https://udomain.dl.sourceforge.net/project/fastdfs/FastDFS%20Server%20Source%20Code/FastDFS%20Server%20with%20PHP%20Extension%20Source%20Code%20V5.08/FastDFS_v5.08.tar.gz
解压缩： tar -zxvf FastDFS_v5.08.tar.gz
进入解压完成的目录：cd FastDFS/
编译 ./make.sh
安装 ./make.sh install
如果安装成功，/etc/init.d/目录下会有两个f服务启动文件：ls /etc/init.d/ | grep fdfs
fdfs_storaged
fdfs_trackerd
在/etc/fdfs/ 下面有默认配置文件三个配置文件的例子，我们去掉sample后缀后修改对应参数就能启动了。
client.conf.sample
storage.conf.sample
tracker.conf.sample
5 启动 tracker
复制配置文件： cp /etc/fdfs/tracker.conf.sample /etc/fdfs/tracker.conf
修改配置文件：vi /etc/fdfs/tracker.conf
base_path：监听狗存储数据日志的路径，也可以不改，建议修改 fdfs 默认tracker 和 strorger 存储地址一样
bind_addr：允许范围的地址，默认都允许
port：端口默认22122
（开发测试机才建议这么干）可能需要关闭防火墙：systemctl stop firewalld ，觉得每次关闭麻烦的直接禁用防火墙 开机启动 systemctl disable firewalld
启动 tracker 服务：systemctl start fdfs_trackerd
查看 tracker 服务状态： systemctl status fdfs_trackerd
有需要可以设置成开机启动：chkconfig fdfs_trackerd on
如果想关闭： chkconfig fdfs_trackerd off
6 启动strorage
复制配置文件:cp /etc/fdfs/storage.conf.sample /etc/fdfs/storage.conf
编辑配置文件：
base_path：storage存储数据日志的路径
store_path0：这个是存上传文件的路劲
tracker_server：tracker的地址端口
如果修改了新的文件目录需要手动新建： mkdir -p /你指定的路径
启动 tracker 服务：systemctl start fdfs_storaged
检查服务是否启动成功：ps -ef |grep fdfs
root 1493 1 0 06:33 ? 00:00:04 /usr/bin/fdfs_trackerd /etc/fdfs/tracker.conf
root 1529 1 0 06:35 ? 00:00:06 /usr/bin/fdfs_storaged /etc/fdfs/storage.conf
二、 linux 客户端使用
安装fdfs以后，在 /etc/fdfs/ 下有三个例子配置文件，其中一个是客户端的配置文件
-rw-r--r--. 1 root root 1459 Mar 17 06:20 client.conf
-rw-r--r--. 1 root root 1461 Mar 17 03:30 client.conf.sample 这个就是client配置文件的例子
-rw-r--r--. 1 root root 858 Mar 17 05:51 http.conf
-rw-r--r--. 1 root root 31172 Mar 17 05:51 mime.types
-rw-r--r--. 1 root root 3690 Mar 17 05:50 mod_fastdfs.conf
-rw-r--r--. 1 root root 7932 Mar 17 04:27 storage.conf
-rw-r--r--. 1 root root 7927 Mar 17 03:30 storage.conf.sample
-rw-r--r--. 1 root root 7201 Mar 17 03:35 tracker.conf
-rw-r--r--. 1 root root 7200 Mar 17 03:30 tracker.conf.sample
复制这个配置文件： cp client.conf.sample client.conf
然后修改：tracker_server=10.10.10.11:22122 和 base_path=/home/fastdfs/client(client存放日志的位置) 到指定位置
查看有那么fdfs相关的程序命令： ls -l /usr/bin/ |grep fdfs
-rwxr-xr-x. 1 root root 315288 Mar 17 03:30 fdfs_appender_test
-rwxr-xr-x. 1 root root 315064 Mar 17 03:30 fdfs_appender_test1
-rwxr-xr-x. 1 root root 301920 Mar 17 03:30 fdfs_append_file
-rwxr-xr-x. 1 root root 301584 Mar 17 03:30 fdfs_crc32
-rwxr-xr-x. 1 root root 301984 Mar 17 03:30 fdfs_delete_file
-rwxr-xr-x. 1 root root 302712 Mar 17 03:30 fdfs_download_file
-rwxr-xr-x. 1 root root 302304 Mar 17 03:30 fdfs_file_info
-rwxr-xr-x. 1 root root 316112 Mar 17 03:30 fdfs_monitor
-rwxr-xr-x. 1 root root 1101712 Mar 17 03:30 fdfs_storaged
-rwxr-xr-x. 1 root root 325192 Mar 17 03:30 fdfs_test
-rwxr-xr-x. 1 root root 320312 Mar 17 03:30 fdfs_test1
-rwxr-xr-x. 1 root root 447752 Mar 17 03:30 fdfs_trackerd
-rwxr-xr-x. 1 root root 302912 Mar 17 03:30 fdfs_upload_appender
-rwxr-xr-x. 1 root root 303928 Mar 17 03:30 fdfs_upload_file
上传文件： fdfs_test 配置文件路径 upload 需要上传的文件路径 ，返回 上传后的文件地址
下载：fdfs_test 配置文件路径 download 组名 文件地址 【新文件名字】 （组名就是上传文件返回的第一段）
删除： fdfs_test 配置文件路径 delete 组名 文件地址
三、 Java api 的使用
创建 fdfs_client.conf 文件：
connect_timeout = 2
network_timeout = 30
charset = UTF-8
http.tracker_http_port = 8080
http.anti_steal_token = no
http.secret_key = FastDFS1234567890
tracker_server = 10.10.10.11:22122
导入maven 依赖： commons-io 是方便文件处理，不是必须
<dependency>
<groupId>net.oschina.zcx7878</groupId>
<artifactId>fastdfs-client-java</artifactId>
<version>1.27.0.0</version>
</dependency>
<!-- commons-io -->
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
上传和下载的例子:
import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FileUtils;
import org.csource.common.MyException;
import org.csource.common.NameValuePair;
import org.csource.fastdfs.ClientGlobal;
import org.csource.fastdfs.StorageClient1;
import org.csource.fastdfs.StorageServer;
import org.csource.fastdfs.TrackerClient;
import org.csource.fastdfs.TrackerServer;
public class Main {
public static void main(String[] args) throws IOException, MyException {
String conf_filename = new Main().getClass().getClassLoader().getResource("fdfs_client.conf").getPath().replaceAll("%20"," ");
ClientGlobal.init(conf_filename);
//建立连接
TrackerClient tracker = new TrackerClient();
TrackerServer trackerServer = tracker.getConnection();
StorageServer storageServer = tracker.getStoreStorage(trackerServer);
StorageClient1 client = new StorageClient1(trackerServer, storageServer);
byte[] fileData = FileUtils.readFileToByteArray(new File( "C:\\Users\\ZHANGYUKUN\\Desktop\\QQ截图20220317164211.png" ));
//上传文件
//设置元信息
NameValuePair[] metaList = new NameValuePair[3];
metaList[0] = new NameValuePair("fileName", "");
metaList[1] = new NameValuePair("fileExtName", "");
metaList[2] = new NameValuePair("fileLength", String.valueOf( fileData.length ));
String fileId = client.upload_file1(fileData, "png", metaList);
System.out.println( fileId );
//下载文件
byte[] file = client.download_file1(fileId);
FileUtils.writeByteArrayToFile(new File("C:\\\\Users\\\\ZHANGYUKUN\\\\Desktop\\\\2.png"), file);
}
}
四、 fastdfs nginx 直联
7 nginx 直连 fastDFS 设置
1. 解压fastdfs nginx 插件： fastdfs-nginx-module_v1.16.tar.gz
2. 修改配置文件把config里面所有的/usr/local替换成/usr（我也不知道为什么这样搞）
cd fastdfs-nginx-module/src
vi config
3. 安装Nginx的依赖库： yum -y install gcc pcre pcre-devel zlib zlib-devel openssl openssl-devel
4. 下载nginx解压，并且引用fastdfs插件，然后编译安装
下载地址： http://nginx.org/download/nginx-1.20.2.tar.gz
解压：tar -zxvf nginx-1.20.2.tar.gz
进入解压的nginx目录：cd nginx-1.20.2
设置nginx配置文件包含fastdfs 插件：./configure --prefix=/opt/nginx --sbin-path=/usr/bin/nginx --add-module=你的插件所以路径/fastdfs-nginx-module/src
编译安装nginx：make && make install
备注:安装的nginx 的默认位置是 /opt/nginx ，这里面与 配置和日志文件，如果 nginx 启动课访问不到 log 下面的日志里面有范围异常信息
修改nginx配置文件：vi /opt/nginx/conf/nginx.conf 修改图中
server {
listen 80;
server_name image.smarthome.com;
#指定格式的路径，交给FastDFS模块处理
location ~/group([0-9])/ {
ngx_fastdfs_module;
}
location / {
root html;
index index.html index.htm;
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
fastdfs nginx插件 默认使用的配置文件路径是/etc/fdfs/mod_fastdfs.conf，我们把插件config目录下得插件配置文件复制过去（插件解压后根目录INSTALL文件里面说的）5.复制插件配置文件到：
cp mod_fastdfs.conf /etc/fdfs/6. 编辑插件配置文件指向tracker: vi /etc/fdfs/mod_fastdfs.conf
tracker_server=tracker_serverIP:端口
url_have_group_name=true
store_path0=文件存储位置5,进入Fast DFS的conf目录，复制 FastDFS 的部分配置文件到/etc/fdfs 目录：
cd FastDFS/conf/
cp http.conf mime.types /etc/fdfs/8.启动nginx ：nginx
9.浏览器访问：ip/group1/M00/00/00/CgoKCmIxpXOAN46wAAAAOtIRWms521.txt 就可以看到对应文件了
五、fdfs 原理
六 fastdfs 集群搭建
1 单个个tracker 多个 storage
我们只要修改多个 storage 里面的group_name=不同的组名，然后连接同一个tracker，这样就可以了。（默认是按照磁盘容量切换 storage ，可以在 tracker 配置文件里面指定负载均衡策略）。
group_name=group2
2 多个tracker，多个storage
1 保持storage 有不同的组名。
group_name=group2
2 分别吧他们都注册到 tracker 上。
tracker_server=192.168.1.200:22122
tracker_server=192.168.1.201:22122
3 是可以使用 fdfs_monitor /etc/fdfs/storage.conf 查看连接情况
[2022-03-18 13:00:52] DEBUG - base_path=/home/fdfs/storage, connect_timeout=30, network_timeout=60, tracker_server_count=2, anti_steal_token=0, anti_steal_secret_key length=0, use_connection_pool=0, g_connection_pool_max_idle_time=3600s, use_storage_id=0, storage server id count: 0
server_count=2, server_index=1
tracker server is 192.168.1.201:22122
group count: 2
Group 1:
group name = group1
disk total space = 48096 MB
disk free space = 48021 MB
trunk free space = 0 MB
storage server count = 1
active server count = 1
storage server port = 23000
storage HTTP port = 8888
store path count = 1
subdir count per path = 256
current write server index = 0
current trunk file id = 0
Storage 1:
id = 192.168.1.200
ip_addr = 192.168.1.200 (192.168.1.200) ACTIVE
http domain =
version = 5.08
join time = 2022-03-18 10:49:47
up time = 2022-03-18 10:56:13
total storage = 48096 MB
free storage = 48021 MB
upload priority = 10
store_path_count = 1
subdir_count_per_path = 256
storage_port = 23000
storage_http_port = 8888
current_write_path = 0
source storage id =
if_trunk_server = 0
connection.alloc_count = 256
connection.current_count = 0
connection.max_count = 1
total_upload_count = 9
success_upload_count = 9
total_append_count = 0
success_append_count = 0
total_modify_count = 0
success_modify_count = 0
total_truncate_count = 0
success_truncate_count = 0
total_set_meta_count = 9
success_set_meta_count = 9
total_delete_count = 0
success_delete_count = 0
total_download_count = 215
success_download_count = 215
total_get_meta_count = 0
success_get_meta_count = 0
total_create_link_count = 0
success_create_link_count = 0
total_delete_link_count = 0
success_delete_link_count = 0
total_upload_bytes = 7674912
success_upload_bytes = 7674912
total_append_bytes = 0
success_append_bytes = 0
total_modify_bytes = 0
success_modify_bytes = 0
stotal_download_bytes = 228356660
success_download_bytes = 228356660
total_sync_in_bytes = 0
success_sync_in_bytes = 0
total_sync_out_bytes = 0
success_sync_out_bytes = 0
total_file_open_count = 224
success_file_open_count = 224
total_file_read_count = 1075
success_file_read_count = 1075
total_file_write_count = 37
success_file_write_count = 37
last_heart_beat_time = 2022-03-18 13:00:50
last_source_update = 2022-03-18 12:38:17
last_sync_update = 1969-12-31 19:00:00
last_synced_timestamp = 1969-12-31 19:00:00
Group 2:
group name = group2
disk total space = 48096 MB
disk free space = 48023 MB
trunk free space = 0 MB
storage server count = 1
active server count = 1
storage server port = 23000
storage HTTP port = 8888
store path count = 1
subdir count per path = 256
current write server index = 0
current trunk file id = 0
Storage 1:
id = 192.168.1.201
ip_addr = 192.168.1.201 (192.168.1.201) ACTIVE
http domain =
version = 5.08
join time = 2022-03-18 10:52:13
up time = 2022-03-18 10:58:11
total storage = 48096 MB
free storage = 48023 MB
upload priority = 10
store_path_count = 1
subdir_count_per_path = 256
storage_port = 23000
storage_http_port = 8888
current_write_path = 0
source storage id =
if_trunk_server = 0
connection.alloc_count = 256
connection.current_count = 0
connection.max_count = 1
total_upload_count = 6
success_upload_count = 6
total_append_count = 0
success_append_count = 0
total_modify_count = 0
success_modify_count = 0
total_truncate_count = 0
success_truncate_count = 0
total_set_meta_count = 6
success_set_meta_count = 6
total_delete_count = 0
success_delete_count = 0
total_download_count = 0
success_download_count = 0
total_get_meta_count = 0
success_get_meta_count = 0
total_create_link_count = 0
success_create_link_count = 0
total_delete_link_count = 0
success_delete_link_count = 0
total_upload_bytes = 5430642
success_upload_bytes = 5430642
total_append_bytes = 0
success_append_bytes = 0
total_modify_bytes = 0
success_modify_bytes = 0
stotal_download_bytes = 0
success_download_bytes = 0
total_sync_in_bytes = 0
success_sync_in_bytes = 0
total_sync_out_bytes = 0
success_sync_out_bytes = 0
total_file_open_count = 6
success_file_open_count = 6
total_file_read_count = 0
success_file_read_count = 0
total_file_write_count = 26
success_file_write_count = 26
last_heart_beat_time = 2022-03-18 13:00:50
last_source_update = 2022-03-18 12:39:02
last_sync_update = 1969-12-31 19:00:00
last_synced_timestamp = 1969-12-31 19:00:00
tracker相互是独立的，没有通讯，他们分别保持着storage的信息（地址，状态，等信息），然后通过groupName 来确定数据放在那个storage。如果storageName 不同，那么他们负载均衡的保存数据，如果groupName相同他们就是互为备份节点。
在storage 内部可以指定多个 store 路径（比如storage主机上有2 个硬盘，我们可以指定 store1=路径a ,store2=路径b ），实测效果是多个store轮流存储文件。有些文档写的是多个store之间是互为备份，这是错的。
store_path_count=n
store_path0=/home/fdfs/storage/store1
store_path1=/home/fdfs/storage/store2
.
.
.
store_path(n-1)=/home/fdfs/storage/store(n)
4 集群下得nginx 级联
编辑插件配置文件：vi /etc/fdfs/mod_fastdfs.conf
修改：store_path0=本地storage得存储地址
url_have_group_name = true
group_name=本地storage组名
tracker_server=192.168.1.200:22122
tracker_server=192.168.1.201:22122(如果有多个tracker得话写多行)
这样就可以在任意storage主机上直连任意一个组的文件了（ ngxin fdfs插件会通过组名给我们找到后端非法到对应住的 storage ）。
如果我们设置两个storage的 groupName=group2的stotrage，那么他们会互为备份，如果一个新的同名节点加入集群（或者暂时离线的节点后面又加入了进来），会复制 数据。
一个文件存储到group2以后两个storage都会有相同的数据
我们使用 fdfs_moniter /etc/fdfs/storage.conf 可以看到 group2 有2 个storage节点
[root@anonymous ~]# fdfs_monitor /etc/fdfs/storage.conf
[2022-03-20 05:47:38] DEBUG - base_path=/home/fdfs/storage, connect_timeout=30, network_timeout=60, tracker_server_count=2, anti_steal_token=0, anti_steal_secret_key length=0, use_connection_pool=0, g_connection_pool_max_idle_time=3600s, use_storage_id=0, storage server id count: 0
server_count=2, server_index=1
tracker server is 192.168.1.201:22122
group count: 2
Group 1:
group name = group1
disk total space = 96192 MB
disk free space = 95968 MB
trunk free space = 0 MB
storage server count = 1
active server count = 1
storage server port = 23000
storage HTTP port = 8888
store path count = 2
subdir count per path = 256
current write server index = 0
current trunk file id = 0
Storage 1: 组1 的 storage（虽然这个 storage 有两个 store，但是这里不会表现出来 ）
id = 192.168.1.200
ip_addr = 192.168.1.200 (192.168.1.200) ACTIVE
http domain =
version = 5.08
join time = 2022-03-18 10:49:47
up time = 2022-03-20 05:28:46
total storage = 96192 MB
free storage = 95968 MB
upload priority = 10
store_path_count = 2
subdir_count_per_path = 256
storage_port = 23000
storage_http_port = 8888
current_write_path = 0
source storage id =
if_trunk_server = 0
connection.alloc_count = 256
connection.current_count = 0
connection.max_count = 1
total_upload_count = 24
success_upload_count = 24
total_append_count = 0
success_append_count = 0
total_modify_count = 0
success_modify_count = 0
total_truncate_count = 0
success_truncate_count = 0
total_set_meta_count = 24
success_set_meta_count = 24
total_delete_count = 0
success_delete_count = 0
total_download_count = 215
success_download_count = 215
total_get_meta_count = 0
success_get_meta_count = 0
total_create_link_count = 0
success_create_link_count = 0
total_delete_link_count = 0
success_delete_link_count = 0
total_upload_bytes = 9475242
success_upload_bytes = 9475242
total_append_bytes = 0
success_append_bytes = 0
total_modify_bytes = 0
success_modify_bytes = 0
stotal_download_bytes = 228356660
success_download_bytes = 228356660
total_sync_in_bytes = 0
success_sync_in_bytes = 0
total_sync_out_bytes = 0
success_sync_out_bytes = 0
total_file_open_count = 239
success_file_open_count = 239
total_file_read_count = 1075
success_file_read_count = 1075
total_file_write_count = 52
success_file_write_count = 52
last_heart_beat_time = 2022-03-20 05:47:17
last_source_update = 2022-03-20 05:38:28
last_sync_update = 1969-12-31 19:00:00
last_synced_timestamp = 1969-12-31 19:00:00
Group 2:
group name = group2
disk total space = 48096 MB
disk free space = 48023 MB
trunk free space = 0 MB
storage server count = 2
active server count = 2
storage server port = 23000
storage HTTP port = 8888
store path count = 1
subdir count per path = 256
current write server index = 0
current trunk file id = 0
Storage 1: 组2 的storage1
id = 192.168.1.201
ip_addr = 192.168.1.201 (192.168.1.201) ACTIVE
http domain =
version = 5.08
join time = 2022-03-18 10:52:13
up time = 2022-03-20 05:28:51
total storage = 48096 MB
free storage = 48023 MB
upload priority = 10
store_path_count = 1
subdir_count_per_path = 256
storage_port = 23000
storage_http_port = 8888
current_write_path = 0
source storage id =
if_trunk_server = 0
connection.alloc_count = 256
connection.current_count = 1
connection.max_count = 2
total_upload_count = 11
success_upload_count = 11
total_append_count = 0
success_append_count = 0
total_modify_count = 0
success_modify_count = 0
total_truncate_count = 0
success_truncate_count = 0
total_set_meta_count = 11
success_set_meta_count = 11
total_delete_count = 0
success_delete_count = 0
total_download_count = 0
success_download_count = 0
total_get_meta_count = 0
success_get_meta_count = 0
total_create_link_count = 0
success_create_link_count = 0
total_delete_link_count = 0
success_delete_link_count = 0
total_upload_bytes = 6030752
success_upload_bytes = 6030752
total_append_bytes = 0
success_append_bytes = 0
total_modify_bytes = 0
success_modify_bytes = 0
stotal_download_bytes = 0
success_download_bytes = 0
total_sync_in_bytes = 1184009
success_sync_in_bytes = 120065
total_sync_out_bytes = 0
success_sync_out_bytes = 0
total_file_open_count = 13
success_file_open_count = 13
total_file_read_count = 0
success_file_read_count = 0
total_file_write_count = 33
success_file_write_count = 33
last_heart_beat_time = 2022-03-20 05:47:23
last_source_update = 2022-03-20 05:37:58
last_sync_update = 2022-03-20 05:38:56
last_synced_timestamp = 2022-03-20 05:38:46 (0s delay)
Storage 2: 组2的storage2
id = 192.168.1.202
ip_addr = 192.168.1.202 (192.168.1.202) ACTIVE
http domain =
version = 5.08
join time = 2022-03-18 10:52:13
up time = 2022-03-20 05:32:36
total storage = 48096 MB
free storage = 48023 MB
upload priority = 10
store_path_count = 1
subdir_count_per_path = 256
storage_port = 23000
storage_http_port = 8888
current_write_path = 0
source storage id =
if_trunk_server = 0
connection.alloc_count = 256
connection.current_count = 1
connection.max_count = 2
total_upload_count = 11
success_upload_count = 11
total_append_count = 0
success_append_count = 0
total_modify_count = 0
success_modify_count = 0
total_truncate_count = 0
success_truncate_count = 0
total_set_meta_count = 11
success_set_meta_count = 11
total_delete_count = 0
success_delete_count = 0
total_download_count = 0
success_download_count = 0
total_get_meta_count = 0
success_get_meta_count = 0
total_create_link_count = 0
success_create_link_count = 0
total_delete_link_count = 0
success_delete_link_count = 0
total_upload_bytes = 6030752
success_upload_bytes = 6030752
total_append_bytes = 0
success_append_bytes = 0
total_modify_bytes = 0
success_modify_bytes = 0
stotal_download_bytes = 0
success_download_bytes = 0
total_sync_in_bytes = 1184009
success_sync_in_bytes = 120065
total_sync_out_bytes = 0
success_sync_out_bytes = 0
total_file_open_count = 13
success_file_open_count = 13
total_file_read_count = 0
success_file_read_count = 0
total_file_write_count = 33
success_file_write_count = 33
last_heart_beat_time = 2022-03-20 05:47:36
last_source_update = 2022-03-20 05:38:46
last_sync_update = 2022-03-20 05:38:01
last_synced_timestamp = 2022-03-20 05:37:58 (0s delay)
[root@anonymous ~]#
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