Archive for the ‘Application Monitoring’ Category
Wednesday, June 12th, 2013
Have you ever been the guy in charge of storage and the dev guy and database guy come over to your desk waaaaay too early in the morning and before you’ve had your caffeine and start telling you that the storage is too slow and you need to do something ...
Posted in Application Monitoring, Best Practices, DevOps, Storage, Tips & Troubleshooting, Uncategorized | No Comments »
Friday, June 7th, 2013
Developers are sometimes too helpful when they instrument their systems. For example, when asked to add a metric that will report the response time of a request - there are several ways that it can be done. One way that seems to make sense is to just keep a variable ...
Posted in Application Monitoring, Best Practices, DevOps | No Comments »
Tuesday, June 4th, 2013
One thing we frequently say is that you need to be monitoring all sorts of metrics when you do software releases, so you can tell if things degrade, and thus head off performance issues. You need to monitor not just the basics of the server (disk IO, memory, CPU, network), ...
Posted in Application Monitoring, DevOps, Uncategorized | No Comments »
Thursday, September 6th, 2012
You released new code with all sorts of new features and improvements. Yay!
Now, after the obvious things like "Does it actually work in production", this is also the time to assess: did it impact my infrastructure performance (and thus my scalability, and thus my scaling costs) in any way.
This is ...
Posted in Application Monitoring, Best Practices, DevOps, SaaS, Tips & Troubleshooting | No Comments »
Saturday, December 24th, 2011
We received some alerts tonight that one Tomcat server was using about 95% of its configured thread maximum.
The Tomcat process on http-443 on prod4 now has 96.2 %
of the max configured threads in the busy state.
These were SMS alerts, as that was close enough to exhausting the available threads to warrant waking ...
Posted in Application Monitoring, Tips & Troubleshooting | No Comments »
Sunday, October 16th, 2011
I've talked about this before, but I just read an article about why application performance monitoring is so screwed up, and coincidentally had just talked about it in a lecture I gave to a graduate class at UCSB on scalable computing, so figured it's worth a mention.
The article mentions that ...
Posted in Application Monitoring, Tips & Troubleshooting | No Comments »
Saturday, October 1st, 2011
A more technical article today.
In adding some more Exchange Monitoring we ran into some issues, and solutions, that may help others. Some things in recent Exchange versions can only be monitored by Powershell. (Perfmon, WMI, Powershell, all needed for different versions of Exchange.... I wish they'd make up their mind...)
So ...
Posted in Application Monitoring, Tips & Troubleshooting | No Comments »
Saturday, February 6th, 2010
We here at LogicMonitor use our own service to monitor the various parts of our infrastructure, and doing so demonstrates the financial value that LogicMonitor brings.
The more you instrument with LogicMonitor, the more power it has. In the cases below, the information and alerts that LogicMonitor presented allowed us to ...
Posted in Application Monitoring | No Comments »
