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快速学习-Flume监控之Ganglia

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cwl_java
发布2020-02-18 21:48:25
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发布2020-02-18 21:48:25
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文章被收录于专栏:cwl_Javacwl_Java

第4章 Flume监控之Ganglia

4.1 Ganglia的安装与部署

  1. 安装httpd服务与php [atguigu@hadoop102 flume]$ sudo yum -y install httpd php
  2. 安装其他依赖 [atguigu@hadoop102 flume]$ sudo yum -y install rrdtool perl-rrdtool rrdtool-devel [atguigu@hadoop102 flume]$ sudo yum -y install apr-devel
  3. 安装ganglia [atguigu@hadoop102 flume]$ sudo rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm [atguigu@hadoop102 flume]$ sudo yum -y install ganglia-gmetad [atguigu@hadoop102 flume]$ sudo yum -y install ganglia-web [atguigu@hadoop102 flume]$ sudo yum install -y ganglia-gmond
  4. 修改配置文件/etc/httpd/conf.d/ganglia.conf [atguigu@hadoop102 flume]$ sudo vim /etc/httpd/conf.d/ganglia.conf

修改为红颜色的配置:

# Ganglia monitoring system php web frontend
Alias /ganglia /usr/share/ganglia
<Location /ganglia>
  Order deny,allow
  Deny from all
  Allow from all
  # Allow from 127.0.0.1
  # Allow from ::1
  # Allow from .example.com
</Location>
  1. 修改配置文件/etc/ganglia/gmetad.conf
[atguigu@hadoop102 flume]$ sudo vim /etc/ganglia/gmetad.conf

修改为:

data_source "hadoop102" 192.168.1.102
  1. 修改配置文件/etc/ganglia/gmond.conf
[atguigu@hadoop102 flume]$ sudo vim /etc/ganglia/gmond.conf 

修改为:

cluster {
  name = "hadoop102"
  owner = "unspecified"
  latlong = "unspecified"
  url = "unspecified"
}
udp_send_channel {
  #bind_hostname = yes # Highly recommended, soon to be default.
                       # This option tells gmond to use a source address
                       # that resolves to the machine's hostname.  Without
                       # this, the metrics may appear to come from any
                       # interface and the DNS names associated with
                       # those IPs will be used to create the RRDs.
  # mcast_join = 239.2.11.71
  host = 192.168.1.102
  port = 8649
  ttl = 1
}
udp_recv_channel {
  # mcast_join = 239.2.11.71
  port = 8649
  bind = 192.168.1.102
  retry_bind = true
  # Size of the UDP buffer. If you are handling lots of metrics you really
  # should bump it up to e.g. 10MB or even higher.
  # buffer = 10485760
}
  1. 修改配置文件/etc/selinux/config [atguigu@hadoop102 flume]$ sudo vim /etc/selinux/config 修改为:
# 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

尖叫提示:selinux本次生效关闭必须重启,如果此时不想重启,可以临时生效之:

[atguigu@hadoop102 flume]$ sudo setenforce 0

  1. 启动ganglia [atguigu@hadoop102 flume]$ sudo service httpd start [atguigu@hadoop102 flume]$ sudo service gmetad start [atguigu@hadoop102 flume]$ sudo service gmond start
  2. 打开网页浏览ganglia页面 http://192.168.1.102/ganglia 尖叫提示:如果完成以上操作依然出现权限不足错误,请修改/var/lib/ganglia目录的权限:
[atguigu@hadoop102 flume]$ sudo chmod -R 777 /var/lib/ganglia

4.2 操作Flume测试监控

  1. 修改/opt/module/flume/conf目录下的flume-env.sh配置:
JAVA_OPTS="-Dflume.monitoring.type=ganglia
-Dflume.monitoring.hosts=192.168.1.102:8649
-Xms100m
-Xmx200m"
  1. 启动Flume任务
[atguigu@hadoop102 flume]$ bin/flume-ng agent \
--conf conf/ \
--name a1 \
--conf-file job/flume-telnet-logger.conf \
-Dflume.root.logger==INFO,console \
-Dflume.monitoring.type=ganglia \
-Dflume.monitoring.hosts=192.168.1.102:8649
  1. 发送数据观察ganglia监测图
[atguigu@hadoop102 flume]$ telnet localhost 44444

样式如图:

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图例说明:

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目录
  • 第4章 Flume监控之Ganglia
    • 4.1 Ganglia的安装与部署
      • 4.2 操作Flume测试监控
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