启动命令:

/usr/bin/fdfs_trackerd /etc/fdfs/tracker.conf
/usr/bin/fdfs_storaged /etc/fdfs/storage.conf

文件位置:/etc/fdfs/storage.conf

基本配置(基础配置,不考虑性能调优情况下)
group_name=group1                               #组名   指定 此 storage server 所在 组(卷)
port=23000                                                # 存储服务端口
base_path=/data/fastdfs-storage            #设置storage数据文件和日志目录,需预先创建
目录下自动生成 两个文件夹
 data  存储信息  
logs   日志信息 
store_path_count=1                                  #存储路径个数,需要和 store_path 个数匹配、
store_path0=/data/fastdfs-storage          #存储路径
#store_path1=/data/fastdfs-storage2

tracker_server=192.168.116.145:22122       (主动连接tracker_server )
                       # tracker 服务器的 IP地址和端口号,如果是单机搭建,IP不要写127.0.0.1,否则启动不成功。
http.server_port=8888                              #设置 http 端口号


storage.conf
# is this config file disabled
# false for enabled
# true for disabled
disabled=false        false为生效,true不生效

# the name of the group this storage server belongs to
#
# comment or remove this item for fetching from tracker server,
# in this case, use_storage_id must set to true in tracker.conf,
# and storage_ids.conf must be configed correctly.
group_name=group1
# 指定 此 storage server 所在 组(卷)

#如果 注释或者删除这个参数,而从tracker那里获取分组信息
#  则  use_storage_id参数必须设为true 在 tracker.conf 配置文件中
#  storage_ids.conf文件必须正确配置


# bind an address of this host
# empty for bind all addresses of this host
bind_addr=
# 绑定ip地址,空值为主机上全部地址

# if bind an address of this host when connect to other servers 
# (this storage server as a client)
# true for binding the address configed by above parameter: "bind_addr"
# false for binding any address of this host
client_bind=true

# the storage server port     存储服务端口
port=23000

# connect timeout in seconds          连接超时时间,针对socket套接字函数connect
# default value is 30s
connect_timeout=30

# network timeout in seconds
# default value is 30s
network_timeout=60
#  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

# heart beat interval in seconds
heart_beat_interval=30
# 心跳间隔时间,单位为秒 (这里是指主动向tracker server 发送心跳)

# disk usage report interval in seconds
stat_report_interval=60
# storage server向tracker server报告磁盘剩余空间的时间间隔,单位为秒

# the base path to store data and log files
base_path=/home/yuqing/fastdfs
# 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)

# max concurrent connections the server supported
# default value is 256
# more max_connections means more memory will be used
max_connections=256
# 服务器支持的最大并发连接
# 默认为256
# 更大的值 意味着需要使用更大的内存

# the buff size to recv / send data
# this parameter must more than 8KB
# default value is 64KB
# since V2.00
buff_size = 256KB
# 发送/接收 数据的缓冲区大小
# 此参数必须大于8KB
# 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
# 设置得大一些,系统整体性能会有所提升。
# 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

# accept thread count
# default value is 1
# since V4.07
accept_threads=1
# 接受线程数 ???  默认为1 ???

# work thread count, should <= max_connections
# work thread deal network io
# default value is 4
# since V2.00
work_threads=4
# V2.0引入的这个参数,工作线程数 <=max_connections
# 此参数 处理 网络的 I/O
# 通常设置为CPU数

# if disk read / write separated
##  false for mixed read and write
##  true for separated read and write
# default value is true
# since V2.00
disk_rw_separated = true
# 磁盘是否 读写分离
# false为读写混合  true为读写分离
# 默认读写分离

# disk reader thread count per store base path
# for mixed read / write, this parameter can be 0
# default value is 1
# since V2.00
disk_reader_threads = 1
# 针对每个个存储路径的读线程数,缺省值为1
# 读写混合时 此值设为0
# 读写分离时,系统中的读线程数 = disk_reader_threads * store_path_count
# 读写混合时,系统中的读写线程数 = (disk_reader_threads + disk_writer_threads) * store_path_count

# disk writer thread count per store base path
# for mixed read / write, this parameter can be 0
# default value is 1
# since V2.00
disk_writer_threads = 1
# 针对每个个存储路径的写线程数,缺省值为1
# 读写混合时 此值设为0
# 读写分离时,系统中的写线程数 = disk_writer_threads * store_path_count
# 读写混合时,系统中的读写线程数 = (disk_reader_threads + disk_writer_threads) * store_path_count

# when no entry to sync, try read binlog again after X milliseconds
# must > 0, default value is 200ms
sync_wait_msec=50
# 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。
# 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

# after sync a file, usleep milliseconds
# 0 for sync successively (never call usleep)
sync_interval=0
# 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

# storage sync start time of a day, time format: Hour:Minute
# Hour from 0 to 23, Minute from 0 to 59
sync_start_time=00:00
# 存储每天同步的开始时间 (默认是00:00开始) 
# 一般用于避免高峰同步产生一些问题而设定

# storage sync end time of a day, time format: Hour:Minute
# Hour from 0 to 23, Minute from 0 to 59
sync_end_time=23:59
# 存储每天同步的结束时间 (默认是23:59结束) 
# 一般用于避免高峰同步产生一些问题而设定

# write to the mark file after sync N files
# default value is 500
write_mark_file_freq=500
# 同步完N个文件后,把storage的mark文件同步到磁盘
# 注:如果mark文件内容没有变化,则不会同步

# path(disk or mount point) count, default value is 1
store_path_count=1
# 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

# store_path#, based 0, if store_path0 not exists, it's value is base_path
# the paths must be exist
store_path0=/home/yuqing/fastdfs
#store_path1=/home/yuqing/fastdfs2
# 逐一配置store_path的路径,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。
# 如果不配置base_path0,那边它就和base_path对应的路径一样。
# 路径必须存在

# subdir_count  * subdir_count directories will be auto created under each 
# store_path (disk), value can be 1 to 256, default value is 256
subdir_count_per_path=256
# N*N 个 目录会自动创建 在 每个磁盘路径下
# 值 可以设为1-256 默认256
# 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)
# 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。

# tracker_server can ocur more than once, and tracker_server format is
#  "host:port", host can be hostname or ip address
tracker_server=192.168.209.121:22122
# tracker_server 的地址列表 要写端口的 (再次提醒是主动连接tracker_server )
# 有多个tracker server时,每个tracker server写一行

#standard log level as syslog, case insensitive, value list:
### emerg for emergency
### alert
### crit for critical
### error
### warn for warning
### notice
### info
### debug
log_level=info
# 日志级别

#unix group name to run this program, 
#not set (empty) means run by the group of current user
run_by_group=
# 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)

#unix username to run this program,
#not set (empty) means run by current user
run_by_user=
# 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)

# allow_hosts can ocur more than once, host can be hostname or ip address,
# "*" means match all ip addresses, can use range like this: 10.0.1.[1-15,20] or
# host[01-08,20-25].domain.com, for example:
# allow_hosts=10.0.1.[1-15,20]
# allow_hosts=host[01-08,20-25].domain.com
allow_hosts=*
# 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)
# 可以配置多行,每行都会起作用

# the mode of the files distributed to the data path
# 0: round robin(default)
# 1: random, distributted by hash code
file_distribute_path_mode=0
#  文件在data目录下分散存储策略。
# 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。
# 1: 随机存储,根据文件名对应的hash code来分散存储

# valid when file_distribute_to_path is set to 0 (round robin), 
# when the written file count reaches this number, then rotate to next path
# default value is 100
file_distribute_rotate_count=100
# 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。
# 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。

# call fsync to disk when write big file
# 0: never call fsync
# other: call fsync when written bytes >= this bytes
# default value is 0 (never call fsync)
fsync_after_written_bytes=0
# 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  
# 其它值表示 写入字节为此值时,调用fsync函数

# sync log buff to disk every interval seconds
# must > 0, default value is 10 seconds
sync_log_buff_interval=10
# 同步或刷新日志信息到硬盘的时间间隔,单位为秒
# 注意:storage server 的日志信息不是时时写硬盘的,而是先写内存

# sync binlog buff / cache to disk every interval seconds
# default value is 60 seconds
sync_binlog_buff_interval=10
# 同步binglog(更新操作日志)到硬盘的时间间隔,单位为秒
# 本参数会影响新上传文件同步延迟时间

# sync storage stat info to disk every interval seconds
# default value is 300 seconds
sync_stat_file_interval=300
# 把storage的stat文件同步到磁盘的时间间隔,单位为秒。
# 注:如果stat文件内容没有变化,不会进行同步

# thread stack size, should >= 512KB
# default value is 512KB
thread_stack_size=512KB
# 线程栈的大小。FastDFS server端采用了线程方式。
# 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。
# 线程栈越大,一个线程占用的系统资源就越多。
# 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。

# the priority as a source server for uploading file.
# the lower this value, the higher its uploading priority.
# default value is 10
upload_priority=10
#  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 

# the NIC alias prefix, such as eth in Linux, you can see it by ifconfig -a
# multi aliases split by comma. empty value means auto set by OS type
# default values is empty
if_alias_prefix=
# 网卡别名前缀 在linux上 你可以通过ifconfig -a 看到它
# 多个别名需要用逗号隔开
# 空值表示根据操作系统类型自动设置



FastDHT 文件去重设置:
# if check file duplicate, when set to true, use FastDHT to store file indexes
# 1 or yes: need check
# 0 or no: do not check
# default value is 0
check_file_duplicate=0
# 是否检测上传文件已经存在。如果已经存在,则不存储文件内容
# FastDHT 建立一个符号链接 以节省磁盘空间。 
# 这个应用要配合FastDHT 使用,所以打开前要先安装FastDHT 
# 1或yes 是检测, 0或no 是不检测

# file signature method for check file duplicate
## hash: four 32 bits hash code
## md5: MD5 signature
# default value is hash
# since V4.01
file_signature_method=hash
# 检查文件重复时,文件内容的签名方式:
## hash: 4个hash code
## md5:MD5

# namespace for storing file indexes (key-value pairs)
# this item must be set when check_file_duplicate is true / on
key_namespace=FastDFS
# 存储文件符号连接的命名空间
# check_file_duplicate 参数必须设置为  true / on

# set keep_alive to 1 to enable persistent connection with FastDHT servers
# default value is 0 (short connection)
keep_alive=0
# 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

# you can use "#include filename" (not include double quotes) directive to 
# load FastDHT server list, when the filename is a relative path such as 
# pure filename, the base path is the base path of current/this config file.
# must set FastDHT server list when check_file_duplicate is true / on
# please see INSTALL of FastDHT for detail
##include /home/yuqing/fastdht/conf/fdht_servers.conf
# 你可以使用  "#include filename"指令(不包括双引号)来加载 FastDHT服务列表
# 文件名是一个相对路径 比如一个纯粹的文件名
# 主路径是当前配置文件的主路径
# 必须设置FastDHT服务列表 当此 check_file_duplicate 参数 是true / on
# 更多信息 参考FastDHT 的安装文件


日志类设置:
# if log to access log
# default value is false
# since V4.00
use_access_log = false
# 是否将文件操作记录到access log

# if rotate the access log every day
# default value is false
# since V4.00
rotate_access_log = false
# 是否定期轮转access log,目前仅支持一天轮转一次

# rotate access log time base, time format: Hour:Minute
# Hour from 0 to 23, Minute from 0 to 59
# default value is 00:00
# since V4.00
access_log_rotate_time=00:00
# access log定期轮转的时间点,只有当rotate_access_log设置为true时有效

# if rotate the error log every day
# default value is false
# since V4.02
rotate_error_log = false
# 是否定期轮转error log,目前仅支持一天轮转一次

# rotate error log time base, time format: Hour:Minute
# Hour from 0 to 23, Minute from 0 to 59
# default value is 00:00
# since V4.02
error_log_rotate_time=00:00
# error log定期轮转的时间点,只有当rotate_error_log设置为true时有效

# rotate access log when the log file exceeds this size
# 0 means never rotates log file by log file size
# default value is 0
# since V4.02
rotate_access_log_size = 0
# access log按文件大小轮转
# 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

# rotate error log when the log file exceeds this size
# 0 means never rotates log file by log file size
# default value is 0
# since V4.02
rotate_error_log_size = 0
# error log按文件大小轮转
# 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

# keep days of the log files
# 0 means do not delete old log files
# default value is 0
log_file_keep_days = 0
# 是否保留日志文件
# 0 为不删除旧日志文件

# if skip the invalid record when sync file
# default value is false
# since V4.02
file_sync_skip_invalid_record=false
# 文件同步的时候,是否忽略无效的binlog记录

# if use connection pool
# default value is false
# since V4.05
use_connection_pool = false
# 是否使用连接池

# connections whose the idle time exceeds this time will be closed
# unit: second
# default value is 3600
# since V4.05
connection_pool_max_idle_time = 3600
# 关闭 闲置连接的 时间
# 默认3600秒

# use the ip address of this storage server if domain_name is empty,
# else this domain name will ocur in the url redirected by the tracker server
http.domain_name=
# 如果存储服务器域名是空的 则使用ip地址
# 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


# the port of the web server on this storage server
http.server_port=8888
# 存储服务器 使用的web端口

文件位置:/etc/fdfs/tracker.conf

# is this config file disabled
# false for enabled
# true for disabled
#该配置文件是否生效
disabled=false

# bind an address of this host
# empty for bind all addresses of this host
# 绑定IP
# 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),相信较熟练的SA都常用到类似功能,
# 很多系统和应用都有
bind_addr=

# the tracker server port
# tracker server 服务端口
port=22122

# connect timeout in seconds
# default value is 30s
# 连接超时(秒)
connect_timeout=30

# network timeout in seconds
# default value is 30s
# 网络超时(秒)
network_timeout=60

# the base path to store data and log files
# Tracker数据/日志目录地址
# ${base_path}
#     |__data
#     |     |__storage_groups.dat:存储分组信息
#     |     |__storage_servers.dat:存储服务器列表
#     |__logs
#           |__trackerd.log:tracker server日志文件
base_path=/usr/local/src/fastdfs/tracker

# 数据文件storage_groups.dat和storage_servers.dat中的记录之间以换行符(\n)分隔,字段之间以西文逗号(,)分隔。
# storage_groups.dat中的字段依次为:
#   1. group_name:组名
#   2. storage_port:storage server端口号
# 
# storage_servers.dat中记录storage server相关信息,字段依次为:
#   1. group_name:所属组名
#   2. ip_addr:ip地址
#   3. status:状态
#   4. sync_src_ip_addr:向该storage server同步已有数据文件的源服务器
#   5. sync_until_timestamp:同步已有数据文件的截至时间(UNIX时间戳)
#   6. stat.total_upload_count:上传文件次数
#   7. stat.success_upload_count:成功上传文件次数
#   8. stat.total_set_meta_count:更改meta data次数
#   9. stat.success_set_meta_count:成功更改meta data次数
#   10. stat.total_delete_count:删除文件次数
#   11. stat.success_delete_count:成功删除文件次数
#   12. stat.total_download_count:下载文件次数
#   13. stat.success_download_count:成功下载文件次数
#   14. stat.total_get_meta_count:获取meta data次数
#   15. stat.success_get_meta_count:成功获取meta data次数
#   16. stat.last_source_update:最近一次源头更新时间(更新操作来自客户端)
#   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)

# max concurrent connections this server supported
# 最大连接数
max_connections=100

# accept thread count
# default value is 1
# since V4.07
# w线程数,通常设置CPU数,值 <= 最大连接数
accept_threads=1

# work thread count, should <= max_connections
# default value is 4
# since V2.00
work_threads=8

# the method of selecting group to upload files
# 0: round robin
# 1: specify group
# 2: load balance, select the max free space group to upload file
# 上传文件的选组方式,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
# 0: 表示轮询
# 1: 表示指定组
# 2: 表示存储负载均衡(选择剩余空间最大的组)
store_lookup=0

# which group to upload file
# when store_lookup set to 1, must set store_group to the group name
# 指定上传的组,如果在应用层指定了具体的组,那么这个参数将不会起效。
# 另外如果store_lookup如果是0或2,则此参数无效
store_group=group2

# which storage server to upload file
# 0: round robin (default)
# 1: the first server order by ip address
# 2: the first server order by priority (the minimal)
# 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
# 0: 轮询方式(默认)
# 1: 根据ip 地址进行排序选择第一个服务器(IP地址最小者)
# 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),优先级值越小优先级越高。
store_server=0

# which path(means disk or mount point) of the storage server to upload file
# 0: round robin
# 2: load balance, select the max free space path to upload file
# 上传路径的选择方式。storage server可以有多个存放文件的base path(可以理解为多个磁盘)
# 0: 轮流方式,多个目录依次存放文件
# 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)
store_path=0

# which storage server to download file
# 0: round robin (default)
# 1: the source storage server which the current file uploaded to
# 选择哪个 storage server 作为下载服务器 
# 0: 轮询方式,可以下载当前文件的任一storage server
# 1: 哪个为源storage server就用哪一个,就是之前上传到哪个storage server服务器就是哪个了
download_server=0

# 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)
# 如果同组的服务器的硬盘大小一样,以最小的为准
# reserved storage space for system or other applications.
# if the free(available) space of any stoarge server in 
# a group <= reserved_storage_space, 
# no file can be uploaded to this group.
# bytes unit can be one of follows:
### G or g for gigabyte(GB)
### M or m for megabyte(MB)
### K or k for kilobyte(KB)
### no unit for byte(B)
### XX.XX% as ratio such as reserved_storage_space = 10%
reserved_storage_space = 10%

#standard log level as syslog, case insensitive, value list:
### emerg for emergency
### alert
### crit for critical
### error
### warn for warning
### notice
### info
### debug
# 选择日志级别
log_level=info

#unix group name to run this program, 
#not set (empty) means run by the group of current user
# 指定运行该程序的用户组(不填 就是当前用户组,哪个启动进程就是哪个)
run_by_group=root

#unix username to run this program,
#not set (empty) means run by current user
# 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)
run_by_user=root

# 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)
# allow_hosts can ocur more than once, host can be hostname or ip address,
# "*" means match all ip addresses, can use range like this: 10.0.1.[1-15,20] or
# host[01-08,20-25].domain.com, for example:
# allow_hosts=10.0.1.[1-15,20]
# allow_hosts=host[01-08,20-25].domain.com
allow_hosts=*

# sync log buff to disk every interval seconds
# default value is 10 seconds
# 同步或刷新日志信息到硬盘的时间间隔,单位为秒
# 注意:tracker server 的日志不是时时写硬盘的,而是先写内存。
sync_log_buff_interval = 10

# 检测 storage server 存活的时间隔,单位为秒。
# 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。
# check storage server alive interval seconds
check_active_interval = 120

# thread stack size, should >= 64KB
# default value is 64KB
# 线程栈的大小。FastDFS server端采用了线程方式。
# 线程栈不应小于64KB
# 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可以适当降低本参数值。
thread_stack_size = 64KB

# auto adjust when the ip address of the storage server changed
# default value is true
# 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。
storage_ip_changed_auto_adjust = true

# ===========================同步======================================
# storage sync file max delay seconds
# default value is 86400 seconds (one day)
# since V2.00
# 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
# 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)
storage_sync_file_max_delay = 86400

# the max time of storage sync a file
# default value is 300 seconds
# since V2.00
# 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。
# 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)
storage_sync_file_max_time = 300

# ===========================trunk 和 slot============================
# if use a trunk file to store several small files
# default value is false
# since V3.00
# 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。
use_trunk_file = false 

# the min slot size, should <= 4KB
# default value is 256 bytes
# since V3.00
slot_min_size = 256

# 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。
# the max slot size, should > slot_min_size
# store the upload file to trunk file when it's size <=  this value
# default value is 16MB
# since V3.00
slot_max_size = 16MB

# 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)。
# the trunk file size, should >= 4MB
# default value is 64MB
# since V3.00
trunk_file_size = 64MB

# 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。
# if create trunk file advancely
# default value is false
# since V3.06
trunk_create_file_advance = false

# 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
# the time base to create trunk file
# the time format: HH:MM
# default value is 02:00
# since V3.06
trunk_create_file_time_base = 02:00

# 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
# the interval of create trunk file, unit: second
# default value is 38400 (one day)
# since V3.06
trunk_create_file_interval = 86400

# 提前创建trunk file时,需要达到的空闲trunk大小
# 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。
# the threshold to create trunk file
# when the free trunk file size less than the threshold, will create 
# the trunk files
# default value is 0
# since V3.06
trunk_create_file_space_threshold = 20G

# trunk初始化时,是否检查可用空间是否被占用
# if check trunk space occupying when loading trunk free spaces
# the occupied spaces will be ignored
# default value is false
# since V3.09
# NOTICE: set this parameter to true will slow the loading of trunk spaces 
# when startup. you should set this parameter to true when neccessary.
trunk_init_check_occupying = false

# 是否无条件从trunk binlog中加载trunk可用空间信息
# FastDFS缺省是从快照文件storage_trunk.dat中加载trunk可用空间,
# 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
# if ignore storage_trunk.dat, reload from trunk binlog
# default value is false
# since V3.10
# set to true once for version upgrade when your version less than V3.10
trunk_init_reload_from_binlog = false

# the min interval for compressing the trunk binlog file
# unit: second
# default value is 0, 0 means never compress
# FastDFS compress the trunk binlog when trunk init and trunk destroy
# recommand to set this parameter to 86400 (one day)
# since V5.01
trunk_compress_binlog_min_interval = 0

# 是否使用server ID作为storage server标识
# if use storage ID instead of IP address
# default value is false
# since V4.00
use_storage_id = false

# use_storage_id 设置为true,才需要设置本参数
# 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
# specify storage ids filename, can use relative or absolute path
# since V4.00
storage_ids_filename = storage_ids.conf

# id type of the storage server in the filename, values are:
## ip: the ip address of the storage server
## id: the server id of the storage server
# this paramter is valid only when use_storage_id set to true
# default value is ip
# since V4.03
# 存储服务器的文件名中的id类型,取值如下
## IP:存储服务器的IP地址
## id:被存储服务器的服务器标识
# 只有当use_storage_id设置为true时此参数是有效的
# 默认值是IP
id_type_in_filename = ip

# 存储从文件是否采用symbol link(符号链接)方式
# 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。
# if store slave file use symbol link
# default value is false
# since V4.01
store_slave_file_use_link = false

# 是否定期轮转error log,目前仅支持一天轮转一次
# if rotate the error log every day
# default value is false
# since V4.02
rotate_error_log = true

# error log定期轮转的时间点,只有当rotate_error_log设置为true时有效
# rotate error log time base, time format: Hour:Minute
# Hour from 0 to 23, Minute from 0 to 59
# default value is 00:00
# since V4.02
error_log_rotate_time=00:00

# error log按大小轮转
# 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
# rotate error log when the log file exceeds this size
# 0 means never rotates log file by log file size
# default value is 0
# since V4.02
rotate_error_log_size = 0

# 是否使用连接池
# if use connection pool
# default value is false
# since V4.05
use_connection_pool = false

# 连接的空闲时间超过这个时间将被关闭,单位:秒
# connections whose the idle time exceeds this time will be closed
# unit: second
# default value is 3600
# since V4.05
connection_pool_max_idle_time = 3600

# ===========================HTTP 相关=================================
# HTTP port on this tracker server
# tracker server上的HTTP服务器端口号
http.server_port=8080

# 检查storage http server存活的间隔时间,单位为秒
# check storage HTTP server alive interval seconds
# <= 0 for never check
# default value is 30
http.check_alive_interval=30

# 检查storage http server存活的方式
# tcp:连接到storage server的http端口,不进行request和response。
# check storage HTTP server alive type, values are:
#   tcp : connect to the storge server with HTTP port only, 
#        do not request and get response
#   http: storage check alive url must return http status 200
# default value is tcp
http.check_alive_type=tcp

# 检查storage http server是否alive的uri/url
# check storage HTTP server alive uri/url
# NOTE: storage embed HTTP server support uri: /status.html
http.check_alive_uri=/status.html
带符号 * 的表示必填项