Home Database Mysql Tutorial ssdb主从同步复制配置详细步骤

ssdb主从同步复制配置详细步骤

Jun 07, 2016 pm 04:10 PM
Synchronize copy step detailed Configuration

SSDB 的配置文件是一种层级 key-value 的静态配置文件, 通过一个 TAB 缩进来表示层级关系. 以 # 号开始的行是注释. ssdb的使用遵循redis协议,读写性能都特别快。 有时我们在使用数据库时,像mongodb,redis和一些关系行数据,为了使数据更加安全,作为备份

Copy after login

SSDB 的配置文件是一种层级 key-value 的静态配置文件, 通过一个 TAB 缩进来表示层级关系. 以 ‘#’ 号开始的行是注释. 
Copy after login

ssdb的使用遵循redis协议,读写性能都特别快。

有时我们在使用数据库时,像mongodb,redis和一些关系行数据,为了使数据更加安全,作为备份使用我们经常习惯使用主从复制架构,当主机上的数据出现问题时,我们就可以连接到slave机器
也就是另外一台机器会从主机上进行同步数据,如果我们使用linux命令 netstat -apn,会发现slave机器上的ssdb会和主机上的ssdb服务建立连接,如果我们这时往主机的ssdb导入数据
会发现slave机器上也会有相应的数据更新。
具体配置如下所示(我这里假设master机器的IP为:10.100.300.1端口:8888)

这是slave机器的配置,

# ssdb-server config
# MUST indent by TAB!

# relative to path of this file, directory must exists
work_dir = ./2014_12_1
pidfile = ./2014_12_1/ssdb.pid

server:
	ip: 0.0.0.0
	port: 8888
	# bind to public ip
	#ip: 0.0.0.0
	# format: allow|deny: all|ip_prefix
	# multiple allows or denys is supported
	#deny: all
	#allow: 127.0.0.1
	#allow: 192.168

replication:
	slaveof:
		# to identify a master even if it moved(ip, port changed)
		# if set to empty or not defined, ip:port will be used.
		id: svc_2
		# sync|mirror, default is sync
		type: sync
		ip: 10.100.300.1
		port: 8888

logger:
	level: info
	output: log.txt
	rotate:
		size: 1000000000

leveldb:
	# in MB
	cache_size: 1024
	# in KB
	block_size: 64
	# in MB
	write_buffer_size: 256
	# in MB
	compaction_speed: 100
	# yes|no
	compression: no
Copy after login


这是master机器配置
# ssdb-server config
# MUST indent by TAB!

# relative to path of this file, directory must exists
work_dir = ./var_update
pidfile = ./var_update/ssdb.pid

server:
	ip: 0.0.0.0
	port: 8888
	# bind to public ip
	#ip: 0.0.0.0
	# format: allow|deny: all|ip_prefix
	# multiple allows or denys is supported
	#deny: all
	#allow: 127.0.0.1
	#allow: 192.168

replication:
	slaveof:
		# to identify a master even if it moved(ip, port changed)
		# if set to empty or not defined, ip:port will be used.
		#id: svc_2
		# sync|mirror, default is sync
		#type: sync
		#ip: 127.0.0.1
		#port: 8889

logger:
	level: info
	output: log.txt
	rotate:
		size: 1000000000

leveldb:
	# in MB
	cache_size: 300
	# in KB
	block_size: 64
	# in MB
	write_buffer_size: 256
	# in MB
	compaction_speed: 100
	# yes|no
	compression: no
Copy after login

work_dir: ssdb-server 的工作目录, 启动后, 会在这个目录下生成 data 和 meta 两个目录, 用来保存 LevelDB 的数据库文件. 这个目录是相对于 ssdb.conf 的相对路径, 也可以指定绝对路径.


server: ip 和 port 指定了服务器要监听的 IP 和端口号. 如果 ip 是 0.0.0.0, 则表示绑定所有的 IP. 基于安全考虑, 可以将 ip 设置为 127.0.0.1, 这样, 只有本机可以访问了. 如果要做更严格的更多的网络安全限制, 就需要依赖操作系统的 iptables.


replication: 用于指定主从同步复制. slaveof.ip, slaveof.port 表示, 本台 SSDB 服务器将从这个目标机上同步数据(也即这个配置文件对应的服务器是 slave). 你可以参考 ssdb_slave.conf 的配制.


logger: 配置日志记录. level 是日志的级别, 可以是 trace|debug|info|error. output 是日志文件的名字, SSDB 支持日志轮转, 在日志文件达到一定大小后, 将 log.txt 改名, 然后创建一个新的 log.txt.


leveldb: 配置 LevelDB 的参数. 你一般想要修改的是 cache_size 参数, 用于指定缓存大小. 适当的缓存可以提高读性能, 但是过大的缓存会影响写性能.

 

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