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Hadoop2.2安装文档
Hadoop2.2安装文档
安装版本
1.jdk1.6.0_45
2.Zookeeper-3.4.5
3.hadoop-2.2.0
安装准备
为每台服务器增加hadoop用户
groupadd hadoop
useradd -g hadoop -m /home/hadoop hadoop
2.修改主机名称
82 — NameNode, DataNode,, JournalNode, ZooKeeper
80 — NameNode, DataNode,, JournalNode, ZooKeeper
62 — DataNode,, JournalNode, ZooKeeper
cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=stat1 此次安装共3台服务器,2台master,1台slaves
3.同步服务器时间
采用NTP服务
vim /etc/ntp.conf
# Permit time synchronization with our time source, but do not
# permit the source to query or modify the service on this system.
restrict default kod nomodify notrap nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery
# Permit all access over the loopback interface. This could
# be tightened as well, but to do so would effect some of
# the administrative functions.
restrict
restrict mask nomodify
restrict -6 ::1
# Hosts on local network are less restricted.
#restrict mask nomodify notrap
# Use public servers from the project.
# Please consider joining the pool (/join.html).
server 1.
server 0.
#broadcast 55 key 42 # broadcast server
#broadcastclient # broadcast client
#broadcast key 42 # multicast server
#multicastclient # multicast client
#manycastserver 54 # manycast server
#manycastclient 54 key 42 # manycast client
# Undisciplined Local Clock. This is a fake driver intended for backup
# and when no outside source of synchronized time is available.
#server 80
#fudge 80 stratum 8
server # local clock
fudge stratum 10
# Drift file. Put this in a directory which the daemon can write to.
# No symbolic links allowed, either, since the daemon updates the file
# by creating a temporary in the same directory and then rename()ing
# it to the file.
driftfile /var/lib/ntp/drift
# Key file containing the keys and key identifiers used when operating
# with symmetric key cryptography.
keys /etc/ntp/keys
# Specify the key identifiers which are trusted.
#trustedkey
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