ganglia hadoop tutorial

# Configuration of the "jvm" context for ganglia# Pick one: Ganglia 3.0 (former) or Ganglia 3.1 (latter)# Jvm. class = org. apache. hadoop. metrics. ganglia. GangliaContextJvm. class = org. apache. hadoop. metrics.

network segment. However, different transmission channels can be defined within the same network segment. 2 Environment Platform: ubuntu12.04 Hadoop: hadoop-1.0.4 Hbase: hbase-0.94.5. Topology: Figure 2 hadoop and hbase Topology Software Installation: APT-Get 3. installation and deployment (unicast) 3.1 deployment Method Monitoring node (gmond):

Deploying Ganglia to monitor Hadoop and HBase Some performance problems often occur during Hadoop O M. However, performance problems cannot be simply analyzed through web pages and logs. Many metrics are required. Ganglia is one of the more practical monitoring tools. Many people have shared a lot about deploying

possibleRpc. Number of times the detailed-metrics.reportDiagnosticInfo_num_ops reports task error messages to the parent processRpc. Average time for the detailed-metrics.startBlockRecovery_avg_time to start block recoveryRpc. Number of times the detailed-metrics.startBlockRecovery_num_ops starts to recover the blockRpc. The average time that the detailed-metrics.statusUpdate_avg_time reports the progress of the child process to the parent processRpc. The number of times the detailed-metrics.st

Use ganglia to monitor hadoop and hbase clusters and gangliahadoop Introductory content from: http://www.uml.org.cn/sjjm/201305171.asp 1. Introduction to Ganglia Ganglia is an open-source monitoring project initiated by UC Berkeley designed to measure thousands of nodes. Each computer runs a gmond daemon that collec

8649239.2. 11.71 }Modified to:/**/239.2. 11.71 8649239.2. 11.71 }2. Configure gmetad.confVim/etc/ganglia/gmetad.confData_source "My cluster" localhostModified to:Data_source "My Cluster" 192.168.10.128:86493. Restart Service required:/etc/init.d/ganglia-Monitor Restart/etc/init.d/Gmetad restart/etc/init.d/apache2 restartIf you encounter a situation where apache2 cannot be restartedVim/etc/apache2/apache2

Ganglia is a monitoring server, cluster of open source software, can be used to graph the last one hours, the most recent day, last week, the last January, the last year of the server or cluster CPU load, memory, network, hard disk and other indicators.The power of ganglia is that the ganglia server isable to collect data from all clients on the same network segm

Ganglia installation tutorial (centos7)Ganglia Configuration Gmetad Configuration Perform the following operations in the ganglia installation directory: Cp-a gmetad/gmetad. init/etc/init. d/gmetad chkconfig-add gmetad chkconfig-level 345 gmetad on gmetad-t | tee/usr/local/etc/gmetad. conf mkdir-p/var/lib/

/08/01 10:50:17 INFO mapred.JobClient: Job complete: job_201408010921_000814/08/01 10:50:17 INFO mapred.JobClient: Counters: 29......7) View the results of the output[[emailprotected] CompanyJoinAddress]$ hadoop fs -ls CompanyJoinAddress/outputFound 3 items-rw-r--r-- 1 hadoop supergroup 0 2014-08-01 10:50 /user/hadoop/CompanyJoinAddress/output/_SUCCESSdrwxr-xr-

/08/01 10:50:17 INFO mapred.JobClient: Job complete: job_201408010921_000814/08/01 10:50:17 INFO mapred.JobClient: Counters: 29......7) View the results of the output[[emailprotected] CompanyJoinAddress]$ hadoop fs -ls CompanyJoinAddress/outputFound 3 items-rw-r--r-- 1 hadoop supergroup 0 2014-08-01 10:50 /user/hadoop/CompanyJoinAddress/output/_SUCCESSdrwxr-xr-

-15 11:10 /user/hadoop/wordcount/output/_logs-rw-r--r-- 1 hadoop supergroup 41 2014-09-15 11:11 /user/hadoop/wordcount/output/part-r-00000使用 hadoop fs –cat wordcount/output/part-r-00000命令查看输出结果，如下所示：#查看结果输出文件内容[[emailprotected] WordCount]$ hadoop fs -cat wordcount/output/p

) View HDFs system[[emailprotected] ~] $ hadoop fs -ls /View the Hadoop HDFs file management system through Hadoop fs-ls/commands, as shown in the Linux file system directory. The results shown above indicate that the Hadoop standalone installation was successful. So far, we have not made any changes to the

Hadoop has always been the technology I want to learn, just as the recent project team to do e-mall, I began to study Hadoop, although the final identification of Hadoop is not suitable for our project, but I will continue to study, more and more do not press.The basic Hadoop tutor