FastDfs之TrackerServer的详细配置介绍

斜淳
2023-12-01

# is this config file disabled  

# false for enabled  

# true for disabled  

disabled=false  

#当前配置是否不可用false可用,true不可用  

  

# bind an address of this host  

# empty for bind all addresses of this host  

bind_addr=  

#是否绑定IP如果一个服务器上有多个IP则设置哪个IP可用,如果不设置则不限制  

 

# the tracker server port  

port=22122

 

#默认端口为22122 如果不冲突,则尽量不要修改

# connect timeout in seconds  

# default value is 30s  

connect_timeout=30  

#针对socket套接字函数connect的连接超时时间设置  

  

# network timeout in seconds  

# default value is 30s  

network_timeout=60  

#设置网络超时,单位秒,发送或接收数据时,如果在超时时间之后依然不能进行,则本次网络通讯失败  

  

# the base path to store data and log files  

base_path=/home/fdfs  

#配置保存根目录地址,这个目录必须存在,子目录将自动创建,保存数据和日志文件呢 

  

# max concurrent connections this server supported  

max_connections=256  

#服务器支持的最大连接数  

  

# work thread count, should <= max_connections  

# default value is 4  

# since V2.00  

work_threads=1  

#工作线程数,通常设置为CPU数量  

  

# 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  

store_lookup=2  

#上传组(卷)的方式:0轮询,1:指定,2:负载平衡(剩余空间最大选择)  

  

# which group to upload file  

# when store_lookup set to 1, must set store_group to the group name  

store_group=group2  

#如果上一参数选择1方式,即制定组名,当前参数用来设置指定的组,如果选择其他方式,当前参数无效  

  

# 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)  

store_server=0  

#同组推送方式0.轮询方式,1.根据ip地址进行排序选择第一个服务器,2.根据优先级进行排序(优先级由storeServer的配置文件中upload_priority属性设置)  

  

# 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  

store_path=0  

#选择哪个文件目录进行上传(一个StoreServer上面可以有多个base_path)0.轮询,2.剩余空间最大  

  

# which storage server to download file  

# 0: round robin (default)  

# 1: the source storage server which the current file uploaded to  

download_server=0  

#选择哪个storeServer最为下载服务器,0.轮询,1.哪个为源则哪个下载  

  

# 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%  

#系统保留空间大小,用来保证系统和其他应用的正常运行  

  

#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=  

#使用那个系统用户组运行FastDFS,默认为启动线程的用户组  

  

#unix username to run this program,  

#not set (empty) means run by current user  

run_by_user=  

#使用那个系统用户运行FastDFS。默认为启动线程的用户  

  

# 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=*  

#设置可以连接当前tracker的IP范围,包括client和store_server,* 代表所有

  

# sync log buff to disk every interval seconds  

# default value is 10 seconds  

sync_log_buff_interval = 10  

#同步或刷新日志到本地硬盘的时间间隔,单位:秒  

  

# check storage server alive interval seconds  

check_active_interval = 120  

#检测storage_server的存活状态时间间隔,单位:秒,本参数要大于storage server的心跳包发送间隔一般为2-3倍  

  

# thread stack size, should >= 64KB  

# default value is 64KB  

thread_stack_size = 64KB  

#tracker server的线程栈大小,要求大于等于64K  

  

# auto adjust when the ip address of the storage server changed  

# default value is true  

storage_ip_changed_auto_adjust = true  

#当storage server的IP发生变化时集群是否自动调整。只有在storage server进程重启时才能完成自动调整  

  

# storage sync file max delay seconds  

# default value is 86400 seconds (one day)  

# since V2.00  

storage_sync_file_max_delay = 86400  

#存储服务器之间同步文件的最大延迟时间,缺省为1天,可以根据实际情况进行调整  

  

# the max time of storage sync a file  

# default value is 300 seconds  

# since V2.00  

storage_sync_file_max_time = 300  

#同步一个文件需要消耗的最大时间,缺省为300秒,即5分钟  

  

# if use a trunk file to store several small files  

# default value is false  

# since V3.00  

use_trunk_file = false   

#是否使用小文件合并存储特性,缺省关闭,打开时可以减少碎片文件的出现,但同时加大服务器的负载  

  

# the min slot size, should <= 4KB  

# default value is 256 bytes  

# since V3.00  

slot_min_size = 256  

#为trunk file分配的最小字节数,比如一个文件只有16字节,根据当前设置,也会为其分配256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  

#为trunk file分配的最大字节数,如果文件小于大小则使用trunk方式存储,当文件大小大于这个数值是直接保存到一个文件中(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  

#trunk file的大小,不建议设置过大  

  

# if create trunk file advancely  

# default value is false  

# since V3.06  

trunk_create_file_advance = false  

#是否提前创建好trunk文件,只用当这个参数设置为true时下面的3个以trunk_create_file开头的参数将不用设置  

  

# 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的起始时间点,当前为凌晨2点开始  

  

# 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的时间间隔,默认为1天  

  

# 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  

#提前创建trunk file时,需要达到的空闲trunk大小  

#例如:当前配置为20G,现在空闲的trunk file大小为4G,那么只创建16G的trunk file  

  

# 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  

#trunk file 初始化时,是否检查可用空间是否被占用  

  

# 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  

#是否无条件从trunk binlog中加载trunk可用空间信息  

  

# if use storage ID instead of IP address  

# default value is false  

# since V4.00  

use_storage_id = false  

#是否使用 serverID作为storage server标识  

  

# specify storage ids filename, can use relative or absolute path  

# since V4.00  

storage_ids_filename = storage_ids.conf  

#use_storage_id设置为true,才需要设置本参数,详见源码目录下的conf/storage_ids.conf  

#这个文件中设置组名、serverID和对应的IP地址  

  

# 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  

id_type_in_filename = ip  

#use_storage_id设置为true时才需要设置本参数  

  

  

# if store slave file use symbol link  

# default value is false  

# since V4.01  

store_slave_file_use_link = false  

#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 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定期轮转的时间节点,rotate_error_log参数设置为true时,本参数有效  

  

# 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按大小进行轮转 0代表不按大小进行轮转,否则当error log文件达到大小则轮转  

  

# 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  

#连接池链接的最大生存时间,单位秒,use_connection_pool设置为true时有效  

  

# HTTP port on this tracker server  

http.server_port=8080  

#http服务端口,默认情况下V4.06是不安装http服务的,详见INSTALL文件  

  

# check storage HTTP server alive interval seconds  

# <= 0 for never check  

# default value is 30  

http.check_alive_interval=30  

#检查长链接的存活时间30秒  

  

# 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  

#长链接的存在方式,当前配置为tcp方式  

  

# check storage HTTP server alive uri/url  

# NOTE: storage embed HTTP server support uri: /status.html  

http.check_alive_uri=/status.html  

#利用什么标识进行检查  

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