Server and Application Reliability
07/13/15 It’s the “tirelessly” part that does us in. Our willingness to take any given system failure, (along with the associated tickets, group calls, management updates, and post…
Latest SRE & DevOps Articles
5,398 articles · Page 434 of 450
Configuring NetFlow v5 and v9 on Cisco Routers
07/13/15 IT pros have access to a range of tools in their monitoring toolbox. There are the humble but readily available command line options like ping, traceroute, and netstat; th…
An Introduction to SNMP Basics
07/13/15 Simple Network Management Protocol (SNMP) is a popular technology that lets you monitor network devices such as switches, routers, servers, printers, and other IP-based de…
Probabilistic Sampling With A Sketch
07/10/15 In a previous post, I explained that we observe rich and complex streams of events, something like the following multiplied by a million: And our goal is to choose a sampl…
4 Steps to Create a Wireless Heat Map
07/09/15 But just because the hardware can provide more users with reliable bandwidth doesn’t mean wireless networking will be flawless. Understanding signal coverage (without reso…
Bandwidth Problems? 3 Steps to Diagnose Bandwidth Issues
07/09/15 We’ve all been there. You place a lunch order at a restaurant, speak for a while with your dining companions, then someone at the table realizes it’s been a while since yo…
Track your PHP-FPM performance with Datadog
Please provide me with the article content! I need the text of "NGINX metrics: How to monitor and collect" to be able to summarize it for you. Just paste the article here, and I'…
How to monitor NGINX with Datadog
Please provide the article text! I need the content of "NGINX metrics: How to monitor and collect" to be able to summarize it for you. Once you paste the article here, I will giv…
How to monitor NGINX
Please provide me with the article content! I need the text of "NGINX metrics: How to monitor and collect" to be able to summarize it for you. Just paste the article here, and I'…
NGINX metrics: How to monitor and collect
Please provide me with the article content! I need the text of the "NGINX 502 Bad Gateway: Gunicorn" article to be able to summarize it for you. Just paste the article here, and …
Monitor SSH endpoints with Datadog
Please provide me with the article "A new Host Map for modern infrastructure"! I need the text of the article to be able to summarize it for you. Just paste the content here, and…
Selecting Representative Samples From A Stream Of Queries
07/03/15 Sampling is hard. This is the title of a talk I gave at a meetup in Boston a few weeks back. But what’s so hard about sampling anyway? To begin with, let’s clarify what I …