Chukwa 0.4.0 详细安装流程

1.安装好Hadoop,确保hadoop运行无误(我hadoop版本为0.20.2)

2.去官网上下载chukwa 0.4.0版本:

3.下载后别急着分发到各个节点,因为代码中存在着一个bug,这个bug会影响后面hicc的显示,所以需要经过修改编译以后再将其分发到各个节点上比较好!修改编译具体过程如下:

(1)源代码中找到ViewStore.java

(package org.apache.hadoop.chukwa.datastore)

在函数JSONArray list(String uid) 中,大概210行左右修改:

FileStatus[] fstatus = fs.listStatus(viewFile);

         if(fstatus!=null) {

           for(int i=0;i<fstatus.length;i++) {

+            if(!fstatus[i].getPath().getName().endsWith(".view")) {

+              continue;

+            }

             long size = fstatus[i].getLen();

             FSDataInputStream viewStream = fs.open(fstatus[i].getPath());

             byte[] buffer = new byte[(int)size];

(2)然后在$CHUKWA_HOME/输入ant,重新编译

会在$CHUKWA_HOME/build/目录下得到编译后的文件

(3)将$CHUKWA_HOME/build/chukwa-core-0.4.0.jar 拷贝到$CHUKWA_HOME,将$CHUKWA_HOME/build/chukwa.war拷贝到$CHUKWA_HOME/webapps当中

4.配置各个节点的环境变量,最好在~/.bash_profile当中配好,下面是我的配置:

export JAVA_HOME=/usr/java/jdk1.6.0_16

export JRE_HOME=/usr/java/jdk1.6.0_16/jre

export HADOOP_VERSION=0.20.2

export HADOOP_HOME=/home/hadoop/hadoop-${HADOOP_VERSION}

export CHUKWA_HOME="/home/zhangliuhang/chukwa/"

export ANT_HOME=/usr/ant/ant-1.7.0

export PATH=.:$PATH: $JAVA_HOME/bin:$HADOOP_HOME/bin:$CHUKWA_HOME/bin:$ANT_HOME/bin

export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JRE_HOME/lib:$ANT_HOME/lib:$HADOOP_HOME/hadoop-${HADOOP_VERSION}-core.jar:$HADOOP_HOME/lib/*:$HADOOP_HOME/lib/commons-logging-1.0.4.jar:$ANT_HOME/junit-3.8.1.jar:$HADOOP_HOME/ivy/ivy-2.0.0-rc2.jar:$HADOOP_HOME/lib/commons-logging-api-1.0.4.jar:$HADOOP_HOME/lib/log4j-1.2.15.jar:$HADOOP_HOME/lib/hadoop-lzo-0.4.8.jar

 

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib:/home/hadoop/hadoop-0.20.2/lib/native/Linux-amd64-64

export JAVA_LIBRARY_PATH=/home/hadoop/hadoop-0.20.2/lib/native/Linux-amd64-64

export javalibpath=/home/hadoop/hadoop-0.20.2/lib/native/Linux-amd64-64

5.配置$CHUKWA_HOME/conf/chukwa-env.sh文件,其中的我的配置如下:(我只列出了没有被我注释掉的)

export JAVA_HOME=/usr/java/jdk1.6.0_16

export HADOOP_HOME="/home/hadoop/hadoop-0.20.2"

export HADOOP_CONF_DIR="/home/hadoop/hadoop-0.20.2/conf/"

export HADOOP_JAR=${HADOOP_HOME}/hadoop-0.20.2-core.jar

export chukwaRecordsRepository="/chukwa/repos/"

export CHUKWA_DATA_DIR="${CHUKWA_HOME}/data"

export CHUKWA_IDENT_STRING=chukwa

export JAVA_PLATFORM= Linux-amd64-64

export JAVA_LIBRARY_PATH=${HADOOP_HOME}/lib/native/${JAVA_PLATFORM}

export JDBC_DRIVER=com.mysql.jdbc.Driver

export JDBC_URL_PREFIX=jdbc:mysql://

export CHUKWA_HICC_MIN_iMEM=300M

export CHUKWA_HICC_MAX_MEM=300M

6.将必要的库从$CHUKWA_HOME/及$CHUKWA_HOME/lib拷贝到$HADOOP_HOME/lib当中,我拷贝的库有:

Chukwa-agent-0.4.0.jar,

chukwa-hadoop-0.4.0-client.jar,

tools-0.4.0.jar,json.jar

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