Performance metrics. What’s this all about?
Measuring performance of page loading is a hard task. Hence together with the community are working on Progressive Web Metrics (PWM’s). What are PWM’s and why do we need them? A bit history of browser metrics. A while ago we had 2 main points (events) for measuring performance: DOMContentLoaded — fired when page is loaded but scripts just started to be executed. load event which is fired then a pa
Linux Load Averages: Solving the Mystery
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How to Monitor the SRE Golden Signals – DevOpsLinks – Medium
(Note: A free PDF E-Book of this entire 6-part series is available here) Site Reliability Engineering (SRE) and related concepts are very popular lately, in part due to the famous Google SRE book and others talking about the “Golden Signals” that you should be monitoring to keep your systems fast and reliable as they scale. Everyone seems to agree these signals are important, but how do you actual
The RED Method: key metrics for microservices architecture
Tom Wilkie shares Weaveworks monitoring philosophy and the three most important metrics to use in your microservices architecture. In previous blog posts and talks I’ve alluded to The RED Method, our monitoring philosophy at Weaveworks. In this blog I’ll outline what The RED Method is, why we use it, and where it comes from. What is The RED Method? The RED Method defines the three key metrics you
The USE Method
The Utilization Saturation and Errors (USE) Method is a methodology for analyzing the performance of any system. It directs the construction of a checklist, which for server analysis can be used for quickly identifying resource bottlenecks or errors. It begins by posing questions, and then seeks answers, instead of beginning with given metrics (partial answers) and trying to work backwards. The re
Riemann - A network monitoring system
Riemann aggregates events from your servers and applications with a powerful stream processing language. Send an email for every exception in your app. Track the latency distribution of your web app. See the top processes on any host, by memory and CPU. Combine statistics from every Riak node in your cluster and forward to Graphite. Track user activity from second to second. Riemann provides low-l
td-agent/fluentdのmonitor_agentを使用してbuffer使用領域の監視
fluentdの0.10.33からin_monitor_agentという標準プラグインが追加され、これによりfluentdで使用しているpluginのmetrics情報が外部から取得できるようになりました。 ◯設定 <source> type monitor_agent bind 0.0.0.0 port 24220 </source> ※参考：http://docs.fluentd.org/articles/monitoring#monitoring-agent ◯確認 上記のように設定後、以下のように24220ポート経由でAPIに接続すると、metrics情報がjson形式で取得できます。 $ curl -s http://localhost:24220/api/plugins.json | jq "." { "plugins": [ { "config": { "type": "fo
Glances - An Eye on your system
An Eye on your system Glances is a cross-platform system monitoring tool written in Python. View on GitHub CPU Memory Load Process list Network interface Disk I/O IRQ / Raid Sensors Filesystem (and folders) Container (Docker and Podman supported) Monitor Alert System info Uptime Quicklook (CPU, MEM, LOAD) Cross-platform Written in Python, Glances will run on almost any plaftorm : GNU/Linux, FreeBS
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GitHub - netdata/netdata: The open-source observability platform everyone needs!
Google Code Archive - Long-term storage for Google Code Project Hosting.
http://three.kibana.org/
https://bandwidthd.sourceforge.net/
GitHub - etsy/mctop: a top like tool for inspecting memcache key values in realtime
GitHub - colinhowe/monner: monner