GangliaでHDD温度監視 - /var/log/soymsk
Gangliaにカスタムモジュールを入れてHDDの温度監視をしてみる。 前提 CentOS 7.1 Gangalia 3.7 セキュリティを重視していないので、実験用環境での使用を想定しています Package インストール python モジュールで拡張するので、以下のパッケージをインストールする ganglia-3.7.2-2.el7.x86_64 ganglia-gmetad-3.7.2-2.el7.x86_64 ganglia-web-3.7.1-2.el7.x86_64 ganglia-gmond-python-3.7.2-2.el7.x86_64 ganglia-gmond-3.7.2-2.el7.x86_64 ganglia-gmond-python package ganglia-gmond-pythonパッケージには以下のファイルが入っている ... /usr/lib64
Ganglia Monitoring System
Ganglia is an open-source scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is carefully engineered to achieve very low per-node overheads and high concurrency. Ganglia is currently in use on thousands of clusters around the world and can scale to handle clusters with several thousand of nodes. Gmond Python module for GPUs If you are runni
EC2 Discovery
Ganglia and EC2 An important feature of Ganglia is the use of multicast to allow the same simple configuration file to be used across all servers in a cluster. Multicast discovery also means nodes are dynamically added and removed without any further configuration updates. This is a fantastic feature of Ganglia, however none of it works in EC2 or other cloud environments because UDP multicast is n
Monitoring Spark Applications
Spark is quickly becoming the most popular framework in the MapReduce family. With better performance and much better APIs - it's easier than ever to perform the actual data wrangling; But as always - the challenges of operating, verifying and optimizing your application over time are much greater than the initial setup - and all the more so with distributes systems. In Kenshoo, we've used and dev
Ganglia で MySQL をモニタリングする | Carpe Diem
このエントリは、MySQL Casual Advent Calendar 22日目のエントリです。 多数の MySQL サーバをもモニタリングするとき Ganglia を使うと便利です。 現在の Ganglia は、バージョン 3.6.0 なのですが、MySQL をモニタリングしたい場合には、前に hirose31 さんが作ったプラグインがありますが、現在は本体に取り込まれているプラグインを使うといいです。 まず、インストール方法は、CentOS を例にとって説明しますが、Ganglia の RPM パッケージを作成しています。本体に SPEC ファイルのもとがあるので、手元で ./configure したあと ganglia.spec を使うと、次の RPM パッケージが出来上がります。 ganglia-web: Ganglia の Web GUI gangala-gmetad: Gan
Monitoring JBoss/Wildfly, Tomcat and other application servers with JMXetric
Monitoring JBoss/Wildfly, Tomcat and other application servers with JMXetric NOTE: this page has been updated now there has been feedback about JBoss issues and improvements to integration with JBoss now make it significantly easier to integrate. It is no longer necessary to customize JBoss logger settings in the JVM command line in order to use JMXetric with JBoss if you use JMXetric 1.0.6 or lat
Collins - Infrastructure Management for Engineers
About Collins exists to drive infrastructure automation. Someone recently asked me to describe collins in a sentence. At Tumblr, it's the infrastructure source of truth and knowledge. Everything about Tumblr production environments is stored and encoded in Collins, and that data is used to drive all of our automation. Sometimes people refer to systems like this as a CMDB, or Configuration Manageme
fluent-plugin-ganglia 0.0.1 released
この前つくった fluent-plugin-ganglia を gem にしてバージョン 0.0.1 をリリースした。 rubygems.org - fluent-plugin-ganglia github - ziguzagu/fluent-plugin-ganglia 前回のエントリーで書いた時点では、gmond を multicast かつ upd_send_channel を bind_hostname = “yes” として動かしている場合に実はうまくいっていなかった。うごいた！とおもってあのエントリーをよろこびいさんで書いた時点では、1台のホストでしかどうささせていなくて、同じ metric group にはいる他のホストで動かし始めたら全然グラフでてこない、という始末…。 これは gmetric gem の Ganglia::GMetric#send が、 conn = UD
Host sFlow: Data Center Wide Server Performance Monitoring
The Host sFlow agent exports physical and virtual server performance metrics using the sFlow protocol. The agent provides scalable, multi-vendor, multi-OS performance monitoring with minimal impact on the systems being monitored. NEWS March 28, 2023 - Linux dropreason support implemented March 15, 2023 - VyOS support implemented February 16, 2021 - Transit delay / queue depth support implemented J
Installing Host sFlow on a Windows server
Telemetry, analytics, and control with sFlow® standard The Host sFlow agent supports Windows performance monitoring, providing a lightweight, scalable solution for monitoring large numbers of Windows servers. The following steps demonstrate how to install and configure the Host sFlow agent on a Windows server, sending sFlow to an analyzer with IP address 10.0.0.50. Note: If there are any firewalls
Host sFlow distributed agent
Telemetry, analytics, and control with sFlow® standard The sFlow standard uses a distributed push model in which each host autonomously sends a continuous stream of performance metrics to a central sFlow collector. The push model is highly scalable and is particularly suited to cloud environments. The distributed architecture extends to the sFlow agents within a host. The following diagram shows h
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Use Ganglia with Cumulus Linux | Knowledge Base
Ganglia Quick Start · ganglia/monitor-core Wiki · GitHub
Ganglia's GPU Nvidia module: do we need to patch the ganglia-webfrontend?
GitHub - ganglia/chef-ganglia: Chef Cookbook to Install and Configure Ganglia
Integrating Ganglia with Nagios
GitHub - ganglia/jmxetric: Java JVM instrumentation to Ganglia
Host sFlow on older Windows servers
GitHub - ziguzagu/fluent-plugin-ganglia: fluentd out plugin to ganglia
https://github.com/ganglia/ganglia_contrib/blob/master/gmetric-python/gmetric.py