fastdfs 简介
FastDFS是一个国产开源的轻量级分布式文件系统，它对文件进行管理，功能包括：文件存储、文件同步、文件访问（文件上传、文件下载）等，解决了大容量存储和负载均衡的问题。特别适合以文件为载体的在线服务，如相册网站、视频网站等等。FastDFS服务端有两个角色：跟踪器（tracker）和存储节点（storage）。跟踪器主要做调度工作，在访问上起负载均衡的作用。
官方论坛： http://www.csource.org
下载地址: http://sourceforge.net/projects/fastdfs/files/
github软件仓库
libfastcommon-FastDFS和FastDHT的通用函数库，地址：https://github.com/happyfish100/libfastcommon.git
FastDFS — FastDFS主代码，地址： https://github.com/happyfish100/fastdfs.git
fastdfs-nginx-module — FastDFS的nginx模块，地址：https://github.com/happyfish100/fastdfs-nginx-module.git
安装文件：
FastDFS 5.x 取消了对 libevent 的依赖，添加了对 libfastcommon 的依赖。
本部署说明用到的软件版本：
libfastcommon v1.13
FastDFS v5.08
fastdfs-nginx-module v1.17
fastdfs安装配置：
创建用户与组
# groupadd fdfs
# useradd fdfs -g fdfs
解压、安装
在每一台tracker和storage服务器上执行
# tar xzvf FastDFS_v5.08.tar.gz
#cd FastDFS/
#./make.sh
#./make.sh install
# yum install -y gcc perl # 安装依赖的软件包
#cd ~/fdfs/libfastcommon && ./make.sh && ./make.sh install
# cd ~/fdfs/fastdfs && ./make.sh && ./make.sh install
安装完成后，所有可执行文件在目录/usr/bin下，以fdfs_开头：
# ls /usr/bin/fdfs*
fdfs_monitor fdfs_trackerd fdfs_storaged
配置文件在目录/etc/fdfs下
client.conf.sample storage.conf.sample tracker.conf.sample
FastDFS配置
配置Tracker跟踪器
开放tracker监听端口访问
firewall-cmd --zone=public --add-port=22122/tcp --permanent
firewall-cmd --reload
vim /etc/sysconfig/iptables
service iptables restart
修改配置文件
mkdir -p /data/fastdfs
cd /etc/fdfs
cp tracker.conf.sample tracker.conf
cp /root/fdfs/fastdfs/conf/http.conf .
cp /root/fdfs/fastdfs/conf/mime.types .
sed -i 's:base_path=.*:base_path=/data/fastdfs:g' tracker.conf
sed -i 's:http.server_port=.*:http.server_port=80:g' tracker.con
1 connect_timeout=30 2 network_timeout=60 3 base_path=/data/fastdfs 4 tracker_server=10.143.92.61:22122 5 tracker_server=10.143.92.62:22122 6 log_level=info 7 use_connection_pool = false 8 connection_pool_max_idle_time = 3600 9 load_fdfs_parameters_from_tracker=false 10 use_storage_id = false 11 storage_ids_filename = storage_ids.conf 12 http.tracker_server_port=8080
1 # This is a comment. I love comments. 2 3 # This file controls what Internet media types are sent to the client for 4 # given file extension(s). Sending the correct media type to the client 5 # is important so they know how to handle the content of the file. 6 # Extra types can either be added here or by using an AddType directive 7 # in your config files. For more information about Internet media types, 8 # please read RFC 2045, 2046, 2047, 2048, and 2077. The Internet media type 9 # registry is at <http://www.iana.org/assignments/media-types/>. 10 11 # MIME type Extensions 12 application/activemessage 13 application/andrew-inset ez 14 application/applefile 15 application/atom+xml atom 16 application/atomcat+xml atomcat 17 application/atomicmail 18 application/atomsvc+xml atomsvc 19 application/auth-policy+xml 20 application/batch-smtp 21 application/beep+xml 22 application/cals-1840 23 application/ccxml+xml ccxml 24 application/cellml+xml 25 application/cnrp+xml 26 application/commonground 27 application/conference-info+xml 28 application/cpl+xml 29 application/csta+xml 30 application/cstadata+xml 31 application/cybercash 32 application/davmount+xml davmount 33 application/dca-rft 34 application/dec-dx 35 application/dialog-info+xml 36 application/dicom 37 application/dns 38 application/dvcs 39 application/ecmascript ecma 40 application/edi-consent 41 application/edi-x12 42 application/edifact 43 application/epp+xml 44 application/eshop 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1 # 这个配置文件是否无效，false表示有效 2 # is this config file disabled 3 # false for enabled 4 # true for disabled 5 disabled=false 6 7 # 指定 此 storage server 所在组(卷) 8 # the name of the group this storage server belongs to 9 group_name=group1 10 11 # 是否绑定IP 12 # bind_addr= 后面为绑定的IP地址 (常用于服务器有多个IP但只希望一个IP提供服务)。如果不填则表示所有的(一般不填就OK) 13 # bind an address of this host 14 # empty for bind all addresses of this host 15 bind_addr= 16 17 # bind_addr通常是针对server的。当指定bind_addr时，本参数才有效。 18 # 本storage server作为client连接其他服务器（如tracker server、其他storage server），是否绑定bind_addr。 19 # if bind an address of this host when connect to other servers 20 # (this storage server as a client) 21 # true for binding the address configed by above parameter: "bind_addr" 22 # false for binding any address of this host 23 client_bind=true 24 25 # storage server服务端口 26 # the storage server port 27 port=23000 28 29 # 连接超时时间，针对socket套接字函数connect 30 # connect timeout in seconds 31 # default value is 30s 32 connect_timeout=30 33 34 # storage server 网络超时时间，单位为秒。发送或接收数据时，如果在超时时间后还不能发送或接收数据，则本次网络通信失败。 35 # network timeout in seconds 36 # default value is 30s 37 network_timeout=60 38 39 # 心跳间隔时间，单位为秒 (这里是指主动向tracker server 发送心跳) 40 # heart beat interval in seconds 41 heart_beat_interval=30 42 43 # storage server向tracker server报告磁盘剩余空间的时间间隔，单位为秒 44 # disk usage report interval in seconds 45 stat_report_interval=60 46 47 # base_path 目录地址,根目录必须存在 子目录会自动生成 (注 :这里不是上传的文件存放的地址,之前是的,在某个版本后更改了) 48 # the base path to store data and log files 49 base_path=/home/yuqing/fastdfs 50 51 # 系统提供服务时的最大连接数 52 # max concurrent connections the server supported 53 # default value is 256 54 # more max_connections means more memory will be used 55 max_connections=256 56 57 # V2.0引入本参数。设置队列结点的buffer大小。工作队列消耗的内存大小 = buff_size * max_connections 58 # 设置得大一些，系统整体性能会有所提升。 59 # 消耗的内存请不要超过系统物理内存大小。另外，对于32位系统，请注意使用到的内存不要超过3GB 60 # the buff size to recv / send data 61 # this parameter must more than 8KB 62 # default value is 64KB 63 # since V2.00 64 buff_size = 256KB 65 66 # 工作线程的数量，工作线程用于处理网络IO，应当小于max_connections的值 67 # work thread count, should <= max_connections 68 # work thread deal network io 69 # default value is 4 70 # since V2.00 71 work_threads=4 72 73 # V2.0引入本参数。磁盘IO读写是否分离，缺省是分离的 74 # if disk read / write separated 75 ## false for mixed read and write 76 ## true for separated read and write 77 # default value is true 78 # since V2.00 79 disk_rw_separated = true 80 81 # V2.0引入本参数。针对单个存储路径的读线程数，缺省值为1。 82 # 读写分离时，系统中的读线程数 = disk_reader_threads * store_path_count 83 # 读写混合时，系统中的读写线程数 = (disk_reader_threads + disk_writer_threads) * store_path_count 84 # disk reader thread count per store base path 85 # for mixed read / write, this parameter can be 0 86 # default value is 1 87 # since V2.00 88 disk_reader_threads = 1 89 90 # V2.0引入本参数。针对单个存储路径的写线程数，缺省值为1。 91 # 读写分离时，系统中的写线程数 = disk_writer_threads * store_path_count 92 # 读写混合时，系统中的读写线程数 = (disk_reader_threads + disk_writer_threads) * store_path_count 93 # disk writer thread count per store base path 94 # for mixed read / write, this parameter can be 0 95 # default value is 1 96 # since V2.00 97 disk_writer_threads = 1 98 99 # 同步文件时，如果从binlog中没有读到要同步的文件，休眠N毫秒后重新读取。0表示不休眠，立即再次尝试读取。 100 # 出于CPU消耗考虑，不建议设置为0。如何希望同步尽可能快一些，可以将本参数设置得小一些，比如设置为10ms 101 # when no entry to sync, try read binlog again after X milliseconds 102 # must > 0, default value is 200ms 103 sync_wait_msec=50 104 105 # 同步上一个文件后，再同步下一个文件的时间间隔，单位为毫秒，0表示不休眠，直接同步下一个文件。 106 # after sync a file, usleep milliseconds 107 # 0 for sync successively (never call usleep) 108 sync_interval=0 109 110 # 下面二个一起解释。允许系统同步的时间段 (默认是全天) 。一般用于避免高峰同步产生一些问题而设定，相信sa都会明白 111 # storage sync start time of a day, time format: Hour:Minute 112 # Hour from 0 to 23, Minute from 0 to 59 113 sync_start_time=00:00 114 115 # storage sync end time of a day, time format: Hour:Minute 116 # Hour from 0 to 23, Minute from 0 to 59 117 sync_end_time=23:59 118 119 # 同步完N个文件后，把storage的mark文件同步到磁盘 120 # 注：如果mark文件内容没有变化，则不会同步 121 # write to the mark file after sync N files 122 # default value is 500 123 write_mark_file_freq=500 124 125 # 存放文件时storage server支持多个路径（例如磁盘）。这里配置存放文件的基路径数目，通常只配一个目录。 126 # path(disk or mount point) count, default value is 1 127 store_path_count=1 128 129 # 逐一配置store_path个路径，索引号基于0。注意配置方法后面有0,1,2 ......，需要配置0到store_path - 1。 130 # 如果不配置base_path0，那边它就和base_path对应的路径一样。 131 # store_path#, based 0, if store_path0 not exists, it's value is base_path 132 # the paths must be exist 133 store_path0=/home/yuqing/fastdfs 134 #store_path1=/home/yuqing/fastdfs2 135 136 # FastDFS存储文件时，采用了两级目录。这里配置存放文件的目录个数 (系统的存储机制,大家看看文件存储的目录就知道了) 137 # 如果本参数只为N（如：256），那么storage server在初次运行时，会自动创建 N * N 个存放文件的子目录。 138 # subdir_count * subdir_count directories will be auto created under each 139 # store_path (disk), value can be 1 to 256, default value is 256 140 subdir_count_per_path=256 141 142 # tracker_server 的列表 要写端口的哦 (再次提醒是主动连接tracker_server ) 143 # 有多个tracker server时，每个tracker server写一行 144 # tracker_server can ocur more than once, and tracker_server format is 145 # "host:port", host can be hostname or ip address 146 tracker_server=192.168.209.121:22122 147 148 # 日志级别 149 #standard log level as syslog, case insensitive, value list: 150 ### emerg for emergency 151 ### alert 152 ### crit for critical 153 ### error 154 ### warn for warning 155 ### notice 156 ### info 157 ### debug 158 log_level=info 159 160 # 操作系统运行FastDFS的用户组 (不填 就是当前用户组,哪个启动进程就是哪个) 161 #unix group name to run this program, 162 #not set (empty) means run by the group of current user 163 run_by_group= 164 165 # 操作系统运行FastDFS的用户 (不填 就是当前用户,哪个启动进程就是哪个) 166 #unix username to run this program, 167 #not set (empty) means run by current user 168 run_by_user= 169 170 # 允许连接本storage server的IP地址列表 （不包括自带HTTP服务的所有连接） 171 # 可以配置多行，每行都会起作用 172 # allow_hosts can ocur more than once, host can be hostname or ip address, 173 # "*" means match all ip addresses, can use range like this: 10.0.1.[1-15,20] or 174 # host[01-08,20-25].domain.com, for example: 175 # allow_hosts=10.0.1.[1-15,20] 176 # allow_hosts=host[01-08,20-25].domain.com 177 allow_hosts=* 178 179 # 文件在data目录下分散存储策略。 180 # 0: 轮流存放，在一个目录下存储设置的文件数后（参数file_distribute_rotate_count中设置文件数），使用下一个目录进行存储。 181 # 1: 随机存储，根据文件名对应的hash code来分散存储。 182 # the mode of the files distributed to the data path 183 # 0: round robin(default) 184 # 1: random, distributted by hash code 185 file_distribute_path_mode=0 186 187 # 当上面的参数file_distribute_path_mode配置为0（轮流存放方式）时，本参数有效。 188 # 当一个目录下的文件存放的文件数达到本参数值时，后续上传的文件存储到下一个目录中。 189 # valid when file_distribute_to_path is set to 0 (round robin), 190 # when the written file count reaches this number, then rotate to next path 191 # default value is 100 192 file_distribute_rotate_count=100 193 194 # 当写入大文件时，每写入N个字节，调用一次系统函数fsync将内容强行同步到硬盘。0表示从不调用fsync 195 # call fsync to disk when write big file 196 # 0: never call fsync 197 # other: call fsync when written bytes >= this bytes 198 # default value is 0 (never call fsync) 199 fsync_after_written_bytes=0 200 201 # 同步或刷新日志信息到硬盘的时间间隔，单位为秒 202 # 注意：storage server 的日志信息不是时时写硬盘的，而是先写内存。 203 # sync log buff to disk every interval seconds 204 # must > 0, default value is 10 seconds 205 sync_log_buff_interval=10 206 207 # 同步binglog（更新操作日志）到硬盘的时间间隔，单位为秒 208 # 本参数会影响新上传文件同步延迟时间 209 # sync binlog buff / cache to disk every interval seconds 210 # default value is 60 seconds 211 sync_binlog_buff_interval=10 212 213 # 把storage的stat文件同步到磁盘的时间间隔，单位为秒。 214 # 注：如果stat文件内容没有变化，不会进行同步 215 # sync storage stat info to disk every interval seconds 216 # default value is 300 seconds 217 sync_stat_file_interval=300 218 219 # 线程栈的大小。FastDFS server端采用了线程方式。 220 # 对于V1.x，storage server线程栈不应小于512KB；对于V2.0，线程栈大于等于128KB即可。 221 # 线程栈越大，一个线程占用的系统资源就越多。 222 # 对于V1.x，如果要启动更多的线程（max_connections），可以适当降低本参数值。 223 # thread stack size, should >= 512KB 224 # default value is 512KB 225 thread_stack_size=512KB 226 227 # 本storage server作为源服务器，上传文件的优先级，可以为负数。值越小，优先级越高。这里就和 tracker.conf 中store_server= 2时的配置相对应了 228 # the priority as a source server for uploading file. 229 # the lower this value, the higher its uploading priority. 230 # default value is 10 231 upload_priority=10 232 233 # 网卡别名前缀，就像Linux中的eth，可以使用ifconfig -a命令来查看 234 # 多个别名之间使用逗号分隔，如果不设置这个值表示自动的被系统类型设置 235 # the NIC alias prefix, such as eth in Linux, you can see it by ifconfig -a 236 # multi aliases split by comma. empty value means auto set by OS type 237 # default values is empty 238 if_alias_prefix= 239 240 # 是否检测上传文件已经存在。如果已经存在，则不存在文件内容，建立一个符号链接以节省磁盘空间。 241 # 这个应用要配合FastDHT 使用，所以打开前要先安装FastDHT 242 # 1或yes 是检测，0或no 是不检测 243 # if check file duplicate, when set to true, use FastDHT to store file indexes 244 # 1 or yes: need check 245 # 0 or no: do not check 246 # default value is 0 247 check_file_duplicate=0 248 249 # 文件去重时，文件内容的签名方式： 250 # hash： 4个hash code 251 # md5：MD5 252 # file signature method for check file duplicate 253 ## hash: four 32 bits hash code 254 ## md5: MD5 signature 255 # default value is hash 256 # since V4.01 257 file_signature_method=hash 258 259 # 当上个参数设定为1 或 yes时 (true/on也是可以的) ， 在FastDHT中的命名空间 260 # namespace for storing file indexes (key-value pairs) 261 # this item must be set when check_file_duplicate is true / on 262 key_namespace=FastDFS 263 264 # 与FastDHT servers 的连接方式 (是否为持久连接) ，默认是0（短连接方式）。可以考虑使用长连接，这要看FastDHT server的连接数是否够用。 265 # set keep_alive to 1 to enable persistent connection with FastDHT servers 266 # default value is 0 (short connection) 267 keep_alive=0 268 269 # 下面是关于FastDHT servers 的设定 需要对FastDHT servers 有所了解,这里只说字面意思了 270 # 可以通过 #include filename 方式来加载 FastDHT servers 的配置，装上FastDHT就知道该如何配置啦。 271 # 同样要求 check_file_duplicate=1 时才有用，不然系统会忽略 272 # fdht_servers.conf 记载的是 FastDHT servers 列表 273 # you can use "#include filename" (not include double quotes) directive to 274 # load FastDHT server list, when the filename is a relative path such as 275 # pure filename, the base path is the base path of current/this config file. 276 # must set FastDHT server list when check_file_duplicate is true / on 277 # please see INSTALL of FastDHT for detail 278 ##include /home/yuqing/fastdht/conf/fdht_servers.conf 279 280 # 是否将文件操作记录到access log 281 # if log to access log 282 # default value is false 283 # since V4.00 284 use_access_log = false 285 286 # 是否定期轮转access log，目前仅支持一天轮转一次 287 # if rotate the access log every day 288 # default value is false 289 # since V4.00 290 rotate_access_log = false 291 292 # access log定期轮转的时间点，只有当rotate_access_log设置为true时有效 293 # rotate access log time base, time format: Hour:Minute 294 # Hour from 0 to 23, Minute from 0 to 59 295 # default value is 00:00 296 # since V4.00 297 access_log_rotate_time=00:00 298 299 # 是否定期轮转error log，目前仅支持一天轮转一次 300 # if rotate the error log every day 301 # default value is false 302 # since V4.02 303 rotate_error_log = false 304 305 # error log定期轮转的时间点，只有当rotate_error_log设置为true时有效 306 # rotate error log time base, time format: Hour:Minute 307 # Hour from 0 to 23, Minute from 0 to 59 308 # default value is 00:00 309 # since V4.02 310 error_log_rotate_time=00:00 311 312 # access log按文件大小轮转 313 # 设置为0表示不按文件大小轮转，否则当access log达到该大小，就会轮转到新文件中 314 # rotate access log when the log file exceeds this size 315 # 0 means never rotates log file by log file size 316 # default value is 0 317 # since V4.02 318 rotate_access_log_size = 0 319 320 # error log按文件大小轮转 321 # 设置为0表示不按文件大小轮转，否则当error log达到该大小，就会轮转到新文件中 322 # rotate error log when the log file exceeds this size 323 # 0 means never rotates log file by log file size 324 # default value is 0 325 # since V4.02 326 rotate_error_log_size = 0 327 328 # 文件同步的时候，是否忽略无效的binlog记录 329 # if skip the invalid record when sync file 330 # default value is false 331 # since V4.02 332 file_sync_skip_invalid_record=false 333 334 # 是否使用连接池 335 # if use connection pool 336 # default value is false 337 # since V4.05 338 use_connection_pool = false 339 340 # 如果一个连接的空闲时间超过这个值将会被自动关闭 341 # connections whose the idle time exceeds this time will be closed 342 # unit: second 343 # default value is 3600 344 # since V4.05 345 connection_pool_max_idle_time = 3600 346 347 # storage server上web server域名，通常仅针对单独部署的web server。这样URL中就可以通过域名方式来访问storage server上的文件了， 348 # 这个参数为空就是IP地址的方式。 349 # use the ip address of this storage server if domain_name is empty, 350 # else this domain name will ocur in the url redirected by the tracker server 351 http.domain_name= 352 353 # web server的端口 354 # the port of the web server on this storage server 355 http.server_port=8888
1 # <id> <group_name> <ip_or_hostname> 2 100001 group1 10.143.92.61 3 100002 group1 10.143.92.62 4 100003 group1 10.143.92.63
1 # 这个配置文件是否无效，false表示有效 2 # is this config file disabled 3 # false for enabled 4 # true for disabled 5 disabled=false 6 7 # 是否绑定IP 8 # bind_addr= 后面为绑定的IP地址 (常用于服务器有多个IP但只希望一个IP提供服务)。如果不填则表示所有的(一般不填就OK) 9 # bind an address of this host 10 # empty for bind all addresses of this host 11 bind_addr= 12 13 # 提供服务的端口 14 # the tracker server port 15 port=22122 16 17 # 连接超时时间，针对socket套接字函数connect 18 # connect timeout in seconds 19 # default value is 30s 20 connect_timeout=30 21 22 # tracker server的网络超时，单位为秒。发送或接收数据时，如果在超时时间后还不能发送或接收数据，则本次网络通信失败 23 # network timeout in seconds 24 # default value is 30s 25 network_timeout=60 26 27 # the base path to store data and log files 28 base_path=/home/yuqing/fastdfs 29 30 # base_path 目录地址(根目录必须存在,子目录会自动创建) 31 # 附目录说明: 32 # tracker server目录及文件结构： 33 # ${base_path} 34 # |__data 35 # | |__storage_groups.dat：存储分组信息 36 # | |__storage_servers.dat：存储服务器列表 37 # |__logs 38 # |__trackerd.log：tracker server日志文件 39 40 #数据文件storage_groups.dat和storage_servers.dat中的记录之间以换行符（ ）分隔，字段之间以西文逗号（,）分隔。 41 #storage_groups.dat中的字段依次为： 42 # 1. group_name：组名 43 # 2. storage_port：storage server端口号 44 45 #storage_servers.dat中记录storage server相关信息，字段依次为： 46 # 1. group_name：所属组名 47 # 2. ip_addr：ip地址 48 # 3. status：状态 49 # 4. sync_src_ip_addr：向该storage server同步已有数据文件的源服务器 50 # 5. sync_until_timestamp：同步已有数据文件的截至时间（UNIX时间戳） 51 # 6. stat.total_upload_count：上传文件次数 52 # 7. stat.success_upload_count：成功上传文件次数 53 # 8. stat.total_set_meta_count：更改meta data次数 54 # 9. stat.success_set_meta_count：成功更改meta data次数 55 # 10. stat.total_delete_count：删除文件次数 56 # 11. stat.success_delete_count：成功删除文件次数 57 # 12. stat.total_download_count：下载文件次数 58 # 13. stat.success_download_count：成功下载文件次数 59 # 14. stat.total_get_meta_count：获取meta data次数 60 # 15. stat.success_get_meta_count：成功获取meta data次数 61 # 16. stat.last_source_update：最近一次源头更新时间（更新操作来自客户端） 62 # 17. stat.last_sync_update：最近一次同步更新时间（更新操作来自其他storage server的同步） 63 64 # 系统提供服务时的最大连接数。对于V1.x，因一个连接由一个线程服务，也就是工作线程数。 65 # 对于V2.x，最大连接数和工作线程数没有任何关系 66 # max concurrent connections this server supported 67 max_connections=256 68 69 # work thread count, should <= max_connections 70 # default value is 4 71 # since V2.00 72 # V2.0引入的这个参数，工作线程数，通常设置为CPU数 73 work_threads=4 74 75 # 上传组(卷) 的方式 0:轮询方式 1: 指定组 2: 平衡负载(选择最大剩余空间的组(卷)上传) 76 # 这里如果在应用层指定了上传到一个固定组,那么这个参数被绕过 77 # the method of selecting group to upload files 78 # 0: round robin 79 # 1: specify group 80 # 2: load balance, select the max free space group to upload file 81 store_lookup=2 82 83 # 当上一个参数设定为1 时 (store_lookup=1，即指定组名时)，必须设置本参数为系统中存在的一个组名。如果选择其他的上传方式，这个参数就没有效了 84 # which group to upload file 85 # when store_lookup set to 1, must set store_group to the group name 86 store_group=group2 87 88 # 选择哪个storage server 进行上传操作(一个文件被上传后，这个storage server就相当于这个文件的storage server源，会对同组的storage server推送这个文件达到同步效果) 89 # 0: 轮询方式 90 # 1: 根据ip 地址进行排序选择第一个服务器（IP地址最小者） 91 # 2: 根据优先级进行排序（上传优先级由storage server来设置，参数名为upload_priority） 92 # which storage server to upload file 93 # 0: round robin (default) 94 # 1: the first server order by ip address 95 # 2: the first server order by priority (the minimal) 96 store_server=0 97 98 # 选择storage server 中的哪个目录进行上传。storage server可以有多个存放文件的base path（可以理解为多个磁盘）。 99 # 0: 轮流方式，多个目录依次存放文件 100 # 2: 选择剩余空间最大的目录存放文件（注意：剩余磁盘空间是动态的，因此存储到的目录或磁盘可能也是变化的） 101 # which path(means disk or mount point) of the storage server to upload file 102 # 0: round robin 103 # 2: load balance, select the max free space path to upload file 104 store_path=0 105 106 # 选择哪个 storage server 作为下载服务器 107 # 0: 轮询方式，可以下载当前文件的任一storage server 108 # 1: 哪个为源storage server 就用哪一个 (前面说过了这个storage server源 是怎样产生的) 就是之前上传到哪个storage server服务器就是哪个了 109 # which storage server to download file 110 # 0: round robin (default) 111 # 1: the source storage server which the current file uploaded to 112 download_server=0 113 114 # storage server 上保留的空间，保证系统或其他应用需求空间。可以用绝对值或者百分比（V4开始支持百分比方式）。 115 #(指出 如果同组的服务器的硬盘大小一样,以最小的为准,也就是只要同组中有一台服务器达到这个标准了,这个标准就生效,原因就是因为他们进行备份) 116 # reserved storage space for system or other applications. 117 # if the free(available) space of any stoarge server in 118 # a group <= reserved_storage_space, 119 # no file can be uploaded to this group. 120 # bytes unit can be one of follows: 121 ### G or g for gigabyte(GB) 122 ### M or m for megabyte(MB) 123 ### K or k for kilobyte(KB) 124 ### no unit for byte(B) 125 ### XX.XX% as ratio such as reserved_storage_space = 10% 126 reserved_storage_space = 10% 127 128 # 选择日志级别 129 #standard log level as syslog, case insensitive, value list: 130 ### emerg for emergency 131 ### alert 132 ### crit for critical 133 ### error 134 ### warn for warning 135 ### notice 136 ### info 137 ### debug 138 log_level=info 139 140 # 操作系统运行FastDFS的用户组 (不填 就是当前用户组,哪个启动进程就是哪个) 141 #unix group name to run this program, 142 #not set (empty) means run by the group of current user 143 run_by_group= 144 145 # 操作系统运行FastDFS的用户 (不填 就是当前用户,哪个启动进程就是哪个) 146 #unix username to run this program, 147 #not set (empty) means run by current user 148 run_by_user= 149 150 # 可以连接到此 tracker server 的ip范围（对所有类型的连接都有影响，包括客户端，storage server） 151 # allow_hosts can ocur more than once, host can be hostname or ip address, 152 # "*" means match all ip addresses, can use range like this: 10.0.1.[1-15,20] or 153 # host[01-08,20-25].domain.com, for example: 154 # allow_hosts=10.0.1.[1-15,20] 155 # allow_hosts=host[01-08,20-25].domain.com 156 allow_hosts=* 157 158 # 同步或刷新日志信息到硬盘的时间间隔，单位为秒 159 # 注意：tracker server 的日志不是时时写硬盘的，而是先写内存 160 # sync log buff to disk every interval seconds 161 # default value is 10 seconds 162 sync_log_buff_interval = 10 163 164 # 检测 storage server 存活的时间隔，单位为秒。 165 # storage server定期向tracker server 发心跳，如果tracker server在一个check_active_interval内还没有收到storage server的一次心跳，那边将认为该storage server已经下线。所以本参数值必须大于storage server配置的心跳时间间隔。通常配置为storage server心跳时间间隔的2倍或3倍 166 # check storage server alive interval seconds 167 check_active_interval = 120 168 169 # 线程栈的大小。FastDFS server端采用了线程方式。tracker server线程栈不应小于64KB 170 # 线程栈越大，一个线程占用的系统资源就越多。如果要启动更多的线程（V1.x对应的参数为max_connections， 171 V2.0为work_threads），可以适当降低本参数值 172 # thread stack size, should >= 64KB 173 # default value is 64KB 174 thread_stack_size = 64KB 175 176 # 这个参数控制当storage server IP地址改变时，集群是否自动调整。注：只有在storage server进程重启时才完成自动调整 177 # auto adjust when the ip address of the storage server changed 178 # default value is true 179 storage_ip_changed_auto_adjust = true 180 181 # V2.0引入的参数。存储服务器之间同步文件的最大延迟时间，缺省为1天。根据实际情况进行调整 182 # 注：本参数并不影响文件同步过程。本参数仅在下载文件时，判断文件是否已经被同步完成的一个阀值（经验值） 183 # storage sync file max delay seconds 184 # default value is 86400 seconds (one day) 185 # since V2.00 186 storage_sync_file_max_delay = 86400 187 188 # V2.0引入的参数。存储服务器同步一个文件需要消耗的最大时间，缺省为300s，即5分钟。 189 # 注：本参数并不影响文件同步过程。本参数仅在下载文件时，作为判断当前文件是否被同步完成的一个阀值（经验值） 190 # the max time of storage sync a file 191 # default value is 300 seconds 192 # since V2.00 193 storage_sync_file_max_time = 300 194 195 # V3.0引入的参数。是否使用小文件合并存储特性，缺省是关闭的 196 # if use a trunk file to store several small files 197 # default value is false 198 # since V3.00 199 use_trunk_file = false 200 201 # V3.0引入的参数。 202 # trunk file分配的最小字节数。比如文件只有16个字节，系统也会分配slot_min_size个字节 203 # the min slot size, should <= 4KB 204 # default value is 256 bytes 205 # since V3.00 206 slot_min_size = 256 207 208 # V3.0引入的参数。 209 # 只有文件大小<=这个参数值的文件，才会合并存储。如果一个文件的大小大于这个参数值，将直接保存到一个文件中（即不采用合并存储方式）。 210 # the max slot size, should > slot_min_size 211 # store the upload file to trunk file when it's size <= this value 212 # default value is 16MB 213 # since V3.00 214 slot_max_size = 16MB 215 216 # V3.0引入的参数。 217 # 合并存储的trunk file大小，至少4MB，缺省值是64MB。不建议设置得过大 218 # the trunk file size, should >= 4MB 219 # default value is 64MB 220 # since V3.00 221 trunk_file_size = 64MB 222 223 # 是否提前创建trunk file。只有当这个参数为true，下面3个以trunk_create_file_打头的参数才有效 224 # if create trunk file advancely 225 # default value is false 226 # since V3.06 227 trunk_create_file_advance = false 228 229 # 提前创建trunk file的起始时间点（基准时间），02:00表示第一次创建的时间点是凌晨2点 230 # the time base to create trunk file 231 # the time format: HH:MM 232 # default value is 02:00 233 # since V3.06 234 trunk_create_file_time_base = 02:00 235 236 # 创建trunk file的时间间隔，单位为秒。如果每天只提前创建一次，则设置为86400 237 # the interval of create trunk file, unit: second 238 # default value is 38400 (one day) 239 # since V3.06 240 trunk_create_file_interval = 86400 241 242 # 提前创建trunk file时，需要达到的空闲trunk大小 243 # 比如本参数为20G，而当前空闲trunk为4GB，那么只需要创建16GB的trunk file即可 244 # the threshold to create trunk file 245 # when the free trunk file size less than the threshold, will create 246 # the trunk files 247 # default value is 0 248 # since V3.06 249 trunk_create_file_space_threshold = 20G 250 251 # trunk初始化时，是否检查可用空间是否被占用 252 # if check trunk space occupying when loading trunk free spaces 253 # the occupied spaces will be ignored 254 # default value is false 255 # since V3.09 256 # NOTICE: set this parameter to true will slow the loading of trunk spaces 257 # when startup. you should set this parameter to true when neccessary. 258 trunk_init_check_occupying = false 259 260 # 是否无条件从trunk binlog中加载trunk可用空间信息 261 # FastDFS缺省是从快照文件storage_trunk.dat中加载trunk可用空间， 262 # 该文件的第一行记录的是trunk binlog的offset，然后从binlog的offset开始加载 263 # if ignore storage_trunk.dat, reload from trunk binlog 264 # default value is false 265 # since V3.10 266 # set to true once for version upgrade when your version less than V3.10 267 trunk_init_reload_from_binlog = false 268 269 # 是否使用server ID作为storage server标识 270 # if use storage ID instead of IP address 271 # default value is false 272 # since V4.00 273 use_storage_id = false 274 275 # use_storage_id 设置为true，才需要设置本参数 276 # 在文件中设置组名、server ID和对应的IP地址，参见源码目录下的配置示例：conf/storage_ids.conf 277 # specify storage ids filename, can use relative or absolute path 278 # since V4.00 279 storage_ids_filename = storage_ids.conf 280 281 #文件名中的id类型，有ip和id两种，只有当use_storage_id设置为true时该参数才有效 282 # id type of the storage server in the filename, values are: 283 ## ip: the ip address of the storage server 284 ## id: the server id of the storage server 285 # this paramter is valid only when use_storage_id set to true 286 # default value is ip 287 # since V4.03 288 id_type_in_filename = ip 289 290 # 存储从文件是否采用symbol link（符号链接）方式 291 # 如果设置为true，一个从文件将占用两个文件：原始文件及指向它的符号链接 292 # if store slave file use symbol link 293 # default value is false 294 # since V4.01 295 store_slave_file_use_link = false 296 297 # 是否定期轮转error log，目前仅支持一天轮转一次 298 # if rotate the error log every day 299 # default value is false 300 # since V4.02 301 rotate_error_log = false 302 303 # error log定期轮转的时间点，只有当rotate_error_log设置为true时有效 304 # rotate error log time base, time format: Hour:Minute 305 # Hour from 0 to 23, Minute from 0 to 59 306 # default value is 00:00 307 # since V4.02 308 error_log_rotate_time=00:00 309 310 # error log按大小轮转 311 # 设置为0表示不按文件大小轮转，否则当error log达到该大小，就会轮转到新文件中 312 # rotate error log when the log file exceeds this size 313 # 0 means never rotates log file by log file size 314 # default value is 0 315 # since V4.02 316 rotate_error_log_size = 0 317 318 # 是否使用连接池 319 # if use connection pool 320 # default value is false 321 # since V4.05 322 use_connection_pool = false 323 324 # 如果一个连接的空闲时间超过这个值将会被自动关闭 325 # connections whose the idle time exceeds this time will be closed 326 # unit: second 327 # default value is 3600 328 # since V4.05 329 connection_pool_max_idle_time = 3600 330 331 # 用于提供http服务的端口 332 # HTTP port on this tracker server 333 http.server_port=8080 334 335 # 检查http server是否还在工作的时间间隔，如果该值小于0则永远不检查 336 # check storage HTTP server alive interval seconds 337 # <= 0 for never check 338 # default value is 30 339 http.check_alive_interval=30 340 341 # 检查http server是否存活的类型，有tcp和http两种 342 # tcp方式只有http端口被连接 343 # http方式检查必须返回状态值200 344 # check storage HTTP server alive type, values are: 345 # tcp : connect to the storge server with HTTP port only, 346 # do not request and get response 347 # http: storage check alive url must return http status 200 348 # default value is tcp 349 http.check_alive_type=tcp 350 351 # check storage HTTP server alive uri/url 352 # NOTE: storage embed HTTP server support uri: /status.html 353 http.check_alive_uri=/status.html
1 # 连接超时时间，针对socket套接字函数connect 2 # connect timeout in seconds 3 # default value is 30s 4 connect_timeout=30 5 6 # client的网络超时，单位为秒。发送或接收数据时，如果在超时时间后还不能发送或接收数据，则本次网络通信失败 7 # network timeout in seconds 8 # default value is 30s 9 network_timeout=60 10 11 # 存储日志的根目录 12 # the base path to store log files 13 base_path=/home/yuqing/fastdfs 14 15 # tracker_server 的列表 要写端口 16 # tracker_server can ocur more than once, and tracker_server format is 17 # "host:port", host can be hostname or ip address 18 tracker_server=192.168.0.197:22122 19 20 # 日志的级别 21 #standard log level as syslog, case insensitive, value list: 22 ### emerg for emergency 23 ### alert 24 ### crit for critical 25 ### error 26 ### warn for warning 27 ### notice 28 ### info 29 ### debug 30 log_level=info 31 32 # 是否使用连接池 33 # if use connection pool 34 # default value is false 35 # since V4.05 36 use_connection_pool = false 37 38 # 如果一个连接的空闲时间超过这个值将会被自动关闭 39 # connections whose the idle time exceeds this time will be closed 40 # unit: second 41 # default value is 3600 42 # since V4.05 43 connection_pool_max_idle_time = 3600 44 45 # 是否从FastDFS的tracker server加载参数 46 # if load FastDFS parameters from tracker server 47 # since V4.05 48 # default value is false 49 load_fdfs_parameters_from_tracker=false 50 51 是否使用storage ID 代替IP，只有当load_fdfs_parameters_from_tracker为false时才有效 52 # if use storage ID instead of IP address 53 # same as tracker.conf 54 # valid only when load_fdfs_parameters_from_tracker is false 55 # default value is false 56 # since V4.05 57 use_storage_id = false 58 59 # 指定storage_ids的路径，可以使用绝对路径和相对路径，只有当load_fdfs_parameters_from_tracker为false时才有效 60 # specify storage ids filename, can use relative or absolute path 61 # same as tracker.conf 62 # valid only when load_fdfs_parameters_from_tracker is false 63 # since V4.05 64 storage_ids_filename = storage_ids.conf 65 66 67 #tracker server的http端口 68 #HTTP settings 69 http.tracker_server_port=8080 70 71 #use "#include" directive to include HTTP other settiongs 72 ##include http.conf
启动tracker：fdfs_trackerd /etc/fdfs/tracker.conf
启动storage：fdfs_storaged /etc/fdfs/storage.conf
设置开机自启动
cat /data/fastdfs/logs/trackerd.log
vim /etc/rc.local
运行fdfs_monitor查看storage服务器是否已经登记到tracker服务器
fdfs_monitor /etc/fdfs/storage.conf
自启动
su - fastdfs -c “/usr/bin/fdfs_trackerd /etc/fdfs/tracker.conf start”
su - fastdfs -c “/usr/bin/fdfs_storaged /etc/fdfs/storage.conf start”
/usr/bin/fdfs_upload_file /etc/fdfs/client.conf 12act.jpg
group1/M00/00/00/Co9cVVg9YpiAEPtzAAI_zj6nEUw318.jpg
测试
[root@test-1 ~]# fdfs_test /etc/fdfs/client.conf upload test.html
This is FastDFS client test program v5.05
Copyright (C) 2008, Happy Fish / YuQing
FastDFS may be copied only under the terms of the GNU General
Public License V3, which may be found in the FastDFS source kit.
Please visit the FastDFS Home Page http://www.csource.org/
for more detail.
[2015-06-14 02:46:06] DEBUG - base_path=/tmp, connect_timeout=30, network_timeout=60, tracker_server_count=1, 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
tracker_query_storage_store_list_without_group:
server 1. group_name=, ip_addr=192.168.0.205, port=23000
server 2. group_name=, ip_addr=192.168.0.206, port=23000
group_name=group1, ip_addr=192.168.0.206, port=23000
storage_upload_by_filename
group_name=group1, remote_filename=M00/00/00/wKgAzlV8em6Af8qBAAAADxtaRO466.html
source ip address: 192.168.0.206
file timestamp=2015-06-14 02:46:06
file size=15
file crc32=458900718
example file url: http://192.168.0.206/group1/M00/00/00/wKgAzlV8em6Af8qBAAAADxtaRO466.html
storage_upload_slave_by_filename
group_name=group1, remote_filename=M00/00/00/wKgAzlV8em6Af8qBAAAADxtaRO466_big.html
source ip address: 192.168.0.206
file timestamp=2015-06-14 02:46:06
file size=15
file crc32=458900718
example file url: http://192.168.0.206/group1/M00/00/00/wKgAzlV8em6Af8qBAAAADxtaRO466_big.html
待确定
注意，上述安装的路径在/usr/lib64/，但是FastDFS主程序设置的lib目录是/usr/local/lib，所以需要创建软连接如下:
ln -s /usr/lib64/libfastcommon.so /usr/local/lib/libfastcommon.so
ln -s /usr/lib64/libfastcommon.so /usr/lib/libfastcommon.so
ln -s /usr/lib64/libfdfsclient.so /usr/local/lib/libfdfsclient.so
ln -s /usr/lib64/libfdfsclient.so /usr/lib/libfdfsclient.so
fastdfs常见问题：http://blog.csdn.net/zhushuai1221/article/details/52440970