1基本環(huán)境配置

基本環(huán)境配置2基本環(huán)境配置主機(jī)名IP地址角色controller0Repository-servermaster.hadoop18Ambari-serverSlaver1.hadoop20Ambari-agent3配置主機(jī)名Host1#master節(jié)點(diǎn)#vi/etc/sysconfig/networkNETWORKING=yesHOSTNAME=master.hadoopNOZEROCONF=yesHost2#slaver1節(jié)點(diǎn)#vi/etc/sysconfig/networkNETWORKING=yesHOSTNAME=slaver1.hadoopNOZEROCONF=yes4基本環(huán)境配置配置yum源Host1#master節(jié)點(diǎn)#viambari.repo[Updates-ambari-2.1.2]name=Updates-ambari-2.1.2baseurl=0/Updates-ambari-2.1.2/enabled=1gpgcheck=0#vicentos.repo[centos-os]name=centos-osbaseurl=0/centos/enabled=1gpgcheck=0[centos-update]name=centos-updatebaseurl=0/updates/enabled=1gpgcheck=0Host2#slaver1節(jié)點(diǎn)#viambari.repo[Updates-ambari-2.1.2]name=Updates-ambari-2.1.2baseurl=0/Updates-ambari-2.1.2/enabled=1gpgcheck=0#vicentos.repo[centos-os]name=centos-osbaseurl=0/centos/enabled=1gpgcheck=0[centos-update]name=centos-updatebaseurl=0/updates/enabled=1gpgcheck=05基本環(huán)境配置更新系統(tǒng)&修改hosto文件Host1#master節(jié)點(diǎn)#viambari.repo[Updates-ambari-2.1.2]name=Updates-ambari-2.1.2baseurl=0/Updates-ambari-2.1.2/enabled=1gpgcheck=0#vicentos.repo[centos-os]name=centos-osbaseurl=0/centos/enabled=1gpgcheck=0[centos-update]name=centos-updatebaseurl=0/updates/enabled=1gpgcheck=0Host2#slaver1節(jié)點(diǎn)#viambari.repo[Updates-ambari-2.1.2]name=Updates-ambari-2.1.2baseurl=0/Updates-ambari-2.1.2/enabled=1gpgcheck=0#vicentos.repo[centos-os]name=centos-osbaseurl=0/centos/enabled=1gpgcheck=0[centos-update]name=centos-updatebaseurl=0/updates/enabled=1gpgcheck=06基本環(huán)境配置配置shhHost1#master節(jié)點(diǎn)創(chuàng)建密鑰#ssh-keygen分配密鑰#ssh-copy-idmaster.hadoop#ssh-copy-idslaver1.hadoopssh登錄遠(yuǎn)程主機(jī)查看是否成功#sshmaster.hadoop#exit#sshslaver1.hadoop#exitHost2#slaver1節(jié)點(diǎn)創(chuàng)建密鑰#ssh-keygen分配密鑰#ssh-copy-idmaster.hadoop#ssh-copy-idslaver1.hadoopssh登錄遠(yuǎn)程主機(jī)查看是否成功#sshmaster.hadoop#exit#sshslaver1.hadoop#exit7基本環(huán)境配置擴(kuò)充VolGroup-lv_root空間Host1#master節(jié)點(diǎn)擴(kuò)展根分區(qū)大小#cfdisk/dev/vda#reboot#mkfs.ext4/dev/vda3#pvcreate/dev/vda3#vgextendVolGroup/dev/vda3#lvdisplay#pvdisplay#vgdisplay查看FreePE/Size大小

FreePE/Size10751/42.00GiB將新增的邏輯卷全部擴(kuò)展到“/”分區(qū)中#lvextend-L+41.99G/dev/VolGroup/lv_root#resize2fs/dev/VolGroup/lv_root查看刷新后的根分區(qū)大小#df-hHost2#slaver1節(jié)點(diǎn)擴(kuò)展根分區(qū)大小#cfdisk/dev/vda#reboot#mkfs.ext4/dev/vda3#pvcreate/dev/vda3#vgextendVolGroup/dev/vda3#lvdisplay#pvdisplay#vgdisplay查看FreePE/Size大小

FreePE/Size10751/42.00GiB將新增的邏輯卷全部擴(kuò)展到“/”分區(qū)中#lvextend-L+41.99G/dev/VolGroup/lv_root#resize2fs/dev/VolGroup/lv_root查看刷新后的根分區(qū)大小#df-h8基本環(huán)境配置配置NTP時(shí)間同步服務(wù)Host1#master節(jié)點(diǎn)#yum-yinstallntp#vi/etc/ntp.conf注釋或者刪除以下四行server0.iburstserver1.iburstserver2.iburstserver3.iburst添加以下兩行serverfudgestratum10#/etc/init.d/ntpdrestart#chkconfigntpdonHost2#slaver1節(jié)點(diǎn)#yum-yinstallntp#ntpdateambari9基本環(huán)境配置禁用TransparentHugePagesHost1#master節(jié)點(diǎn)查看TransparentHugePages是否開啟#cat/sys/kernel/mm/redhat_transparent_hugepage/enabled[always]madvisenever#echonever>/sys/kernel/mm/redhat_transparent_hugepage/defrag#echonever>/sys/kernel/mm/redhat_transparent_hugepage/enabled#echonever>/sys/kernel/mm/transparent_hugepage/enabled#echonever>/sys/kernel/mm/transparent_hugepage/defrag查看TransparentHugePages是否關(guān)閉#cat/sys/kernel/mm/redhat_transparent_hugepage/enabledalwaysmadvise[never]重啟后失效，需要再次執(zhí)行Host2#slaver1節(jié)點(diǎn)查看TransparentHugePages是否開啟#cat/sys/kernel/mm/redhat_transparent_hugepage/enabled[always]madvisenever#echonever>/sys/kernel/mm/redhat_transparent_hugepage/defrag#echonever>/sys/kernel/mm/redhat_transparent_hugepage/enabled#echonever>/sys/kernel/mm/transparent_hugepage/e