一、配置系统
安装是以一个主节点,三个子节点进行安装。gp是在github上下载的5.7的源码。地址https://github.com/greenplum-db/gpdb/tree/5.7.0。
1、Greenplum集群介绍
这里使用1个master,3个segment的集群,ip为
196.168.12.101
196.168.12.102
196.168.12.103
196.168.12.104
2、修改本机名(所有机器)
通过vi /etc/hostname 进行修改
各个节点修改成相应的名称,分别为master,slave1.slave2.slave3,例
master
然后重启电脑
3、修改/etc/hosts文件(所有机器)
这里主要是为了可以实现通过名称来查找相应的服务器
[[email protected]master ~]# vi /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 192.168.12.101 master 192.168.12.102 slave1 192.168.12.103 slave2 192.168.12.104 slave3
4、修改/etc/sysconfig/network(所有机器)
[[email protected] ~]# vi /etc/sysconfig/network # Created by anaconda NETWORKING=yes
接下来就可以通过测试一下是否可以通过ping主机名来找到对应的服务器
[[email protected] ~]# ping slave1 PING slave1 (192.168.12.102) 56(84) bytes of data. 64 bytes from slave1 (192.168.12.102): icmp_seq=1 ttl=63 time=0.134 ms 64 bytes from slave1 (192.168.12.102): icmp_seq=2 ttl=63 time=0.132 ms 64 bytes from slave1 (192.168.12.102): icmp_seq=3 ttl=63 time=0.133 ms 64 bytes from slave1 (192.168.12.102): icmp_seq=4 ttl=63 time=0.133 ms 64 bytes from slave1 (192.168.12.102): icmp_seq=5 ttl=63 time=0.132 ms ^C --- slave1 ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4000ms rtt min/avg/max/mdev = 0.132/0.132/0.134/0.014 ms
5、创建用户和用户组(所有机器)
[[email protected] ~]# groupadd -g 530 gpadmin [[email protected] ~]# useradd -g 530 -u530 -m -d /home/gpadmin -s /bin/bash gpadmin [[email protected] ~]# passwd gpadmin Changing password for user gpadmin. New password: BAD PASSWORD: it is too simplistic/systematic BAD PASSWORD: is too simple Retype new password: passwd: all authentication tokens updated successfully.
6、修改系统内核(所有机器)
[[email protected] ~]# vi /etc/sysctl.conf kernel.shmmax = 500000000 kernel.shmmni = 4096 kernel.shmall = 4000000000 kernel.sem = 250 512000 100 2048 kernel.sysrq = 1 kernel.core_uses_pid = 1 kernel.msgmnb = 65536 kernel.msgmax = 65536 kernel.msgmni = 2048 net.ipv4.tcp_syncookies = 1 net.ipv4.ip_forward = 0 net.ipv4.conf.default.accept_source_route = 0 net.ipv4.tcp_tw_recycle = 1 net.ipv4.tcp_max_syn_backlog = 4096 net.ipv4.conf.all.arp_filter = 1 net.ipv4.ip_local_port_range = 1025 65535 net.core.netdev_max_backlog = 10000 net.core.rmem_max = 2097152 net.core.wmem_max = 2097152 vm.overcommit_memory = 2 [root@master~]# sysctl -p(让配置生效)
7、修改文件打开限制(所有机器)
[[email protected] ~]# vi /etc/security/limits.conf # End of file * soft nofile 65536 * hard nofile 65536 * soft nproc 131072 * hard nproc 131072
8、关闭防火墙(所有机器)
[[email protected]~]#systemctl disable firewalld [[email protected]~]#systemctl stop firewalld
除此之外
[[email protected] ~]# cat /etc/selinux/config # This file controls the state of SELinux on the system. # SELINUX= can take one of these three values: # enforcing - SELinux security policy is enforced. # permissive - SELinux prints warnings instead of enforcing. # disabled - No SELinux policy is loaded. SELINUX=disabled # SELINUXTYPE= can take one of these two values: # targeted - Targeted processes are protected, # mls - Multi Level Security protection. SELINUXTYPE=targeted
9、其他配置(所有机器)
[[email protected] ~]# vi config.sh echo deadline > /sys/block/sda/queue/scheduler echo deadline > /sys/block/sr0/queue/scheduler /sbin/blockdev --getra /dev/sda /sbin/blockdev --setra 16384 /dev/sda /sbin/blockdev --getra /dev/sda sysctl vm.swappiness=0 cat /proc/sys/vm/swappiness
然后在每次系统重启后,以root用户执行
[[email protected] ~]#source config.sh
10、解决后面gporca版本不能识别的问题(所有机器)
[[email protected] ~]# vi /etc/ld.so.conf.d/usrlocallib.conf /usr/local /usr/local/lib /usr/local/lib64
11、同步时钟
(1)设置master为主服务器,开启nptd服务(主服务器)
[[email protected] ~]#vi /etc/ntp.conf
如图:
[[email protected] ~]# systemctl start ntpd.service #启动服务 [[email protected] ~]# systemctl enable ntpd.service #开机自启动
(2)、主服务器开启ntp服务器以后,子节点就不需要开启了,因为当server与client之间的时间误差过大时(可能是1000秒),处于对修改时间可能对系统和应用带来不可预知的问题,NTP将停止时间同步!所以如果发现NTP启动之后时间并不进行同步时,应该考虑到可能是时间差过大引起的,此时需要先手动进行时间同步!所以直接使用定时手动同步的方式就可以了。(子节点)
[[email protected] data]# crontab -e 0-59/10 * * * * /usr/sbin/ntpdate master crontab: installing new crontab [root@slave1 data]# crontab -l 0-59/10 * * * * /usr/sbin/ntpdate master
二、安装依赖库、编译使用的工具
1、安装依赖库(所有机器)
安装之前先升级yum,然后安装epel扩展源:
[[email protected] ~]# yum update [[email protected] ~]# yum -y install epel-release
然后再其他依赖库
[[email protected] ~]#yum install –y apr-develzuot libevent-devel libxml2 libxml2-devel git.x86_64 gcc.x86_64 gcc-c++.x86_64 \ ccache.x86_64 readline.x86_64 readline-devel.x86_64 bison.x86_64 bison-devel.x86_64 flex.x86_64 flex-devel.x86_64 zlib.x86_64 zlib-devel.x86_64 openssl.x86_64 openssl-devel.x86_64 pam.x86_64 pam-devel.x86_64 libcurl.x86_64 libcurl-devel.x86_64 bzip2-libs.x86_64 bzip2.x86_64 bzip2-devel.x86_64 libssh2.x86_64 libssh2-devel.x86_64 python-devel.x86_64 python-pip.noarch rsync coreutils glib2 lrzsz sysstat e4fsprogs xfsprogs ntp readline-devel zlib zlib-devel openssl openssl-devel pam-devel libxml2-devel libxslt-devel python-devel tcl-devel gcc make smartmontools flex bison perl perl-devel perl-ExtUtils* OpenIPMI-tools openldap openldap-devel logrotate python-py gcc-c++ libevent-devel apr-devel libcurl-devel bzip2-devel libyaml-devel apr-util-devel net-tools wget git re2c python-pip
安装pip需要的包
[[email protected] ~]# python -m pip install --upgrade pip [[email protected] ~]# pip install lockfile paramiko setuptools epydoc psi psutil conan
2、安装cmake(所有机器)
默认编译的为使用postgres优化器,本文是使用orca优化器安装的。
[[email protected] home]# wget https://cmake.org/files/v3.11/cmake-3.11.0.tar.gz [[email protected] home]# tar -zxvf cmake-3.11.0.tar.gz [[email protected] home]# cd cmake-3.11.0 [[email protected] cmake-3.11.0]# ./bootstrap [[email protected] cmake-3.11.0]# gmake [[email protected] cmake-3.11.0]# gmake install [[email protected] cmake-3.11.0]# cmake --version cmake version 3.11.0
3、安装re2c(所有机器)
安装re3c是由于配置ninja时需要
[[email protected] home]# wget https://jaist.dl.sourceforge.net/project/re2c/1.0.1/re2c-1.0.1.tar.gz [[email protected] home]# tar -zxvf re2c-1.0.1.tar.gz [[email protected] home]#cd re2c-1.0.1 [[email protected] re2c-1.0.1]#./configure [[email protected] re2c-1.0.1]#make [[email protected] re2c-1.0.1]#make install [[email protected] re2c-1.0.1]#re2c -v re2c 1.0.1
4、安装Ninja(所有机器)
[[email protected] home]# git clone https://github.com/ninja-build/ninja.git [[email protected] ninja]# cd ninja [[email protected] ninja]# ./configure.py --bootstrap[[email protected] ninja]# cp ninja /usr/local/bin/
5、安装gp-xerces(所有机器)
安装最新版本就可以了
[[email protected] home]# git clone https://github.com/greenplum-db/gp-xerces [[email protected] home]# mkdir gp-xerces/build [[email protected] build]# cd gp-xerces/build [[email protected] build]# ../configure--prefix=
/usr/local
[[email protected] build]# make -j 4 [[email protected] build]# make install
6、安装gporca(所有机器)
安装gporca需要知道你安装的greenplum的版本与之对应的版本,我这里是通过现在好了github上的 greenplum5.7的压缩包,然后传到了服务器上的,具体操作如下(这步查看版本的操作只需要在master上操作):
[[email protected] home]# unzip gpdb-5.7.0.zip [[email protected] home]# cat gpdb-5.7.0/depends/conanfile_orca.txt [requires] orca/v2.55.13@gpdb/stable [imports] include, * -> build/include lib, * -> build/lib
这里看到的红色的orca/2.55.13,所以我们需要下载gporca的2.55.13的版本
[[email protected] home]# wget https://codeload.github.com/greenplum-db/gporca/zip/v2.55.13 [[email protected] home]# unzip gporca-2.55.13.zip [[email protected] home]# cd gporca-2.55.13 [[email protected] gporca-2.55.13]# cmake -GNinja -H. -Bbuild [[email protected] gporca-2.55.13]# ninja install -C build
待安装完成后,进入build目录,执行ctest命令进行检查如果最后输出类似如下结果就说嘛编译成功了:
[[email protected] build]# ctest 153/153 Test #153: gporca_test_CConstExprEvaluatorDXLTest .............. Passed 0.04 sec 100% tests passed, 0 tests failed out of 153 Total Test time (real) = 117.20 sec
7、安装libsigar(所有机器)
[[email protected] home]# git clone https://github.com/boundary/sigar [[email protected] home]# cd sigar [[email protected] sigar]# mkdir build && cd build && cmake .. && make && make install
三、安装greenplum
1、创建安装文件目录和保存数据目录(每台机器)
[[email protected] ~]# mkdir /opt/greenplum-db [[email protected] ~]# chown -R gpadmin:gpadmin /opt/greenplum-db
[[email protected] ~]# mkdir /data/greenplum-db [[email protected] ~]# chown -R gpadmin:gpadmin /data/greenplum-db
2、编译安装greenplum(master)
编译安装到了/opt/greenplum-db目录
[[email protected] home]# git clone https://codeload.github.com/greenplum-db/gpdb/zip/5.7.0 [[email protected] home]# cd gpdb-5.7.0 [[email protected] gpdb-5.7.0]# ldconfig [[email protected] gpdb-5.7.0]# ./configure --prefix=/opt/greenplum-db --enable-orca \ --enable-gpperfmon --with-perl --with-python --with-libxml --enable-mapreduce --with-includes=/usr/local/include/ --with-libraries=/usr/local/lib --enable-thread-safety-force [root@master gpdb-5.7.0]# make -j 32 [[email protected] gpdb-5.7.0]# make install
此时master上的greenplum安装成功了。但是之前我们都是以root身份安装的,所以要将安装目录下的文件的所有者都修改为gpadmin
[[email protected] ~]# chown -R gpadmin:gpadmin /opt/greenplum-db
因为只在master上安装了greenplum,所以下面要将安装包批量发送到每个segment上,才能算是整个greenplum集群完整安装了greenplum。下面的操作都是为了连接所有节点,并将安装包发送到每个节点。
3、创建配置文件(master)
[[email protected] ~]# su gpadmin [[email protected] root]$ cd [gpadmin@master ~]$ mkdir conf [gpadmin@master ~]$ cd conf/ [gpadmin@master conf]$ vi hostlist master slave1 slave2 slave3 [gpadmin@master conf]$ vi seg_hosts slave1 slave2 slave3 [gpadmin@master conf]$ ls hostlist seg_hosts
必需用gpadmin身份来创建,按照上面的操作创建hostlist和seg_hosts 文件
4、打通所有节点(master)
[[email protected] ~]$ source /opt/greenplum-db/greenplum_path.sh [gpadmin@master ~]$ gpssh-exkeys -f /home/gpadmin/conf/hostlist [STEP 1 of 5] create local ID and authorize on local host [STEP 2 of 5] keyscan all hosts and update known_hosts file [STEP 3 of 5] authorize current user on remote hosts ... send to slave1 *** *** Enter password for slave1: ... send to slave2 ... send to slave3 [STEP 4 of 5] determine common authentication file content [STEP 5 of 5] copy authentication files to all remote hosts ... finished key exchange with slave1 ... finished key exchange with slave2 ... finished key exchange with slave3 [INFO] completed successfully
注意gpssh-exkeys命令使用的时候一定要用gpadmin身份,因为这个命令会生成ssh的免密码登录的秘钥,在/home/gpadmin/.ssh这里。如果使用root身份使用gpssh-exkeys命令,那么生成的.ssh秘钥在root的home下面或者是在/home/gpadmin下面但是是root的所有者,如果之后使用gpadmin身份执行相应操作的时候就没有权限。
5、将安装到每个子节点(master)
[[email protected] ~]# gpseginstall -f /home/gpadmin/conf/hostlist
四、初始化数据库
1、批量创建greenplum数据存放目录(master)
我是提前再每台机器上创建了/data/greenplum-db的目录的,是通过root创建的,然后使用了命令chown -R gpadmin:gpadmin /data/greenplum-db调整了权限的
[[email protected] ~]$ gpssh -f /home/gpadmin/conf/hostlist => cd /data/greenplum-db [master1] [slave1] [slave2] [slave3] => mkdir gpdata [master1] [slave1] [slave2] [slave3] => cd gpdata [master1] [slave1] [slave2] [slave3] => mkdir gpmaster gpdatap1 gpdatap2 gpdatam1 gpdatam2 [master1] [slave1] [slave2] [slave3]
2、修改greenplum的配置文件(所有机器)
[[email protected] ~]$ vi /opt/greenplum-db/greenplum_path.sh GPHOME=/opt/greenplum-db # Replace with symlink path if it is present and correct if [ -h ${GPHOME}/../greenplum-db ]; then GPHOME_BY_SYMLINK=`(cd ${GPHOME}/../greenplum-db/ && pwd -P)` if [ x"${GPHOME_BY_SYMLINK}" = x"${GPHOME}" ]; then GPHOME=`(cd ${GPHOME}/../greenplum-db/ && pwd -L)`/. fi unset GPHOME_BY_SYMLINK fi #setup PYTHONHOME if [ -x $GPHOME/ext/python/bin/python ]; then PYTHONHOME="$GPHOME/ext/python" fi PYTHONPATH=$GPHOME/lib/python PATH=$GPHOME/bin:$PATH LD_LIBRARY_PATH=$GPHOME/lib:${LD_LIBRARY_PATH-}::/usr/local/lib export LD_LIBRARY_PATH OPENSSL_CONF=$GPHOME/etc/openssl.cnf export GPHOME export PATH export PYTHONPATH export PYTHONHOME export OPENSSL_CONF
3、配置.bash_profile环境变量(所有机器)
[[email protected] ~]$ cd [gpadmin@master ~]$ cat .bash_profile # .bash_profile # Get the aliases and functions if [ -f ~/.bashrc ]; then . ~/.bashrc fi # User specific environment and startup programs PATH=$PATH:$HOME/.local/bin:$HOME/bin export PATH source /opt/greenplum-db/greenplum_path.sh export MASTER_DATA_DIRECTORY=/data/greenplum-db/gpdata/gpmaster/gpseg-1 export PGPORT=2345 export PGDATABASE=testDB [gpadmin@master ~]$ source .bash_profile
4、初始化配置文件(master)
创建初始化配置文件
[[email protected] ~]$ vi /home/gpadmin/conf/gpinitsystem_config ARRAY_NAME="Greenplum" SEG_PREFIX=gpseg PORT_BASE=33000 declare -a DATA_DIRECTORY=(/data/greenplum-db/gpdata/gpdatap1 /data/greenplum-db/gpdata/gpdatap2) MASTER_HOSTNAME=master MASTER_DIRECTORY=/data/greenplum-db/gpdata/gpmaster MASTER_PORT=2345 TRUSTED_SHELL=/usr/bin/ssh ENCODING=UTF-8 MIRROR_PORT_BASE=43000 REPLICATION_PORT_BASE=34000 MIRROR_REPLICATION_PORT_BASE=44000 declare -a MIRROR_DATA_DIRECTORY=(/data/greenplum-db/gpdata/gpdatam1 /data/greenplum-db/gpdata/gpdatam2) MACHINE_LIST_FILE=/home/gpadmin/conf/seg_hosts
5、初始化数据库(master)
[[email protected]~]$ gpinitsystem -c /home/gpadmin/conf/gpinitsystem_config -s slave3
其中sdw3是指master的standby所在的节点,我看书上和网上的一些资料都将standby放在最后一个节点,可能是约定俗成的吧。
如果上面有一些配置有问题,gpinitsystem就不能成功,日志在主节点/home/gpadmin/gpAdminLogs/的gpinitsystem_2018XXXX.log文件中。
需要注意的是如果初始化失败,一定要认真查看这个日志文件,一味重复安装没有太大意义,重要的是要找到主要原因。
6、其他操作命令(master)
安装完成以后最好重启一下集群
gpstop -M fast -a #停止数据库
gpstart -a #启动数据库
参考文章:
1、http://www.cnblogs.com/renlipeng/p/5685432.html
2、http://www.jpblog.cn/greenplum%E6%BA%90%E7%A0%81%E7%BC%96%E8%AF%91%E5%AE%89%E8%A3%85.html
原文地址:https://www.cnblogs.com/zhang-ke/p/8718404.html