Linux 下MySQL NDB配置
A) Shutdown management node and data node
devmysql3# ndb_mgm -e shutdown
devmysql4# ndb_mgm -e shutdown
B) Shutdown MySQL proccess
devmysql3# mysqladmin shutdown
devmysql4# mysqladmin shutdown
devmysql3 ip: 10.130.30.217
devmysql4 ip: 10.130.30.218
rpm -ivh MySQL-Cluster-gpl-storage-6.3.20-0.rhel5.x86_64.rpm
rpm -ivh MySQL-Cluster-gpl-tools-6.3.20-0.rhel5.x86_64.rpm
rpm -ivh MySQL-Cluster-gpl-shared-6.3.20-0.rhel5.x86_64.rpm
rpm -ivh MySQL-Cluster-gpl-devel-6.3.20-0.rhel5.x86_64.rpm
rpm -ivh MySQL-Cluster-gpl-server-6.3.20-0.rhel5.x86_64.rpm
rpm -ivh MySQL-Cluster-gpl-client-6.3.20-0.rhel5.x86_64.rpm
rpm -ivh MySQL-Cluster-gpl-management-6.3.20-0.rhel5.x86_64.rpm
rpm -ivh MySQL-Cluster-gpl-extra-6.3.20-0.rhel5.x86_64.rpm
2.Configure MySQL Cluster
mkdir /var/lib/mysql-cluster
cd /var/lib/mysql-cluster
vi config.ini
[ndbd default]
NoOfReplicas = 2
MaxNoOfConcurrentOperations = 2000000
DataMemory = 3000M
IndexMemory = 500M
TimeBetweenWatchDogCheck = 30000
DataDir = /var/lib/mysql-cluster
MaxNoOfOrderedIndexes = 512
StartPartialTimeout = 205
StartPartitionedTimeout = 205
ArbitrationTimeout = 5000
TransactionDeadlockDetectionTimeout = 15000
HeartbeatIntervalDbDb = 5000
StopOnError = 0
TimeBetweenLocalCheckpoints = 15
NoOfFragmentLogFiles = 300
[ndb_mgmd default]
DataDir = /var/lib/mysql-cluster
[ndb_mgmd]
Id = 1
HostName = 10.130.30.217
[ndb_mgmd]
Id = 2
HostName = 10.130.30.218
[ndbd]
Id = 3
HostName = 10.130.30.217
[ndbd]
Id = 4
HostName = 10.130.30.218
[mysqld]
HostName = 10.130.30.217
ArbitrationRank = 2
[mysqld]
HostName = 10.130.30.218
ArbitrationRank = 2
[tcp default]
PortNumber = 63132
vi /etc/my.cnf
[mysqld]
max_connections = 500
default-character-set = utf8
default-storage-engine = ndbcluster
ndbcluster
ndb-connectstring = 10.130.30.217,10.130.30.218
[client]
default-character-set = utf8
[ndbd]
connect-s
相关文档:
这个DDD安装了一晚上,记录步骤如下:
1.下载lesstif-0.93.40.tar.bz2(ddd-3.3.11.tar.gz 的文档中说这个稳定我就用这个了)从http://www.ibiblio.org/pub/X11/lesstif/srcdist/放到/usr/local下,然后是三部曲:./configure ,make,make install
2.下载ddd-3.3.11.tar.gz 从http://download.chinaunix.net/download/0003 ......
(一)中文字体的显示
(首先)用setup命令 开启“setup”对话框 --- 选择“service setup” 把“xfs” disable掉。
然后接下来:
(1)copy "c:/windows/fonts/simsun.ttc" to Linux directory : "/usr/share/fonts/liberation"
(2)edit "/etc/sysconfig/i1 ......
一、Makefile的规则
在讲述这个Makefile之前,还是让我们先来粗略地看一看Makefile的规则。
target ... : prerequisites ...
command
...
...
target也就是一个目标文件,可以是Object File,也可以是执行文件。
prerequisites就是,要生成那个target所需要的文件或是目标。
command也就是make需要执行的命令。(任 ......
权限与文件系统安全
1,“ls -l”命令输出结果中各字段含义:
(1),文件类型,第1位(“-”普通文件、“d”目录文件、“l”符号链接文件、“b”快设备文件、“c”字符设备文件、“p”管道文件、“s”socket文件)
(2),权限,第2至10位( ......