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# 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
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