Metrics are a way to measure things. For instance in networks it is used to identify the cost of an operation. If you have a packet that needs to go from router A to router B. It can get their by either going trough router D or router C. Router A will calculate the cost, this is based on metrics. A ...
3
votes
1answer
61 views
Is there a Windows equivalent of Unix 'CPU steal time'?
In order to assess performance monitoring accuracy on virtualization platforms, the CPU steal time has become an increasingly relevant metric - see EC2 monitoring: the case of stolen CPU for an ...
1
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1answer
36 views
Graphite Clustered Webapp - Not Sharing Data
I have Graphite setup on three instances on EC2:
carbon-relay - relay1.graphite.prod.example.ec2
carbon-cache + webapp - cache3.graphite.prod.example.ec2
carbon-cache + webapp - ...
2
votes
4answers
144 views
What metrics should I watch when I monitor a server?
I saw a lot of monitoring tools and mostly show the same things. But I'm wondering if it's really necessary to watch all of these things.
I would like to know which metrics really matter for example ...
1
vote
1answer
84 views
Are there any packaged “NOC Display” software packages?
I'd like to implement a "NOC Situational Awareness" board ("War Room" displays) with multiple large-format LCD's. I'd love to have different "screens" of information show up on a timed rotation ...
3
votes
1answer
247 views
What is the difference between OpenTSDB and Graphite?
As far as I can tell, here are the main differences:
opentsdb does not deteriorate data over time, unlike graphite where the size of the database is pre-determined.
opentsdb can store metrics per ...
2
votes
4answers
88 views
How can I measure precisely the resources consumed by each Web site on my server?
We are having performance issues on our server which may or may not be the inevitable result of high traffic to our sites. We would like to optimize each site for performance so that we can be sure ...
1
vote
1answer
51 views
Tools for gathering metrics about physical environment for use in virtualization/cloud planning?
I'm looking for tools that will work on either Linux/Unix or Windows Server that for a given set of servers in an enterprise environent, will:
Identify the server [via hostname, or some other unique ...
2
votes
0answers
52 views
Solution for graphing application events metrics in real time
We have an application that parses tweets and we want to see the activity in real time. We have tried several solution without success. Our main problems is that the graphing solution ...
1
vote
1answer
38 views
Measure impact of new software on Windows Server
I'm an admin for a small business. I've been asked to give another company my opinion on whether or not our servers have enough available resources to handle the addition of their software. I've had ...
-1
votes
1answer
92 views
Tracking pixels, logging/recording impressions?
I'm trying to build a tracking server for banner ads that tracks the ad's impressions. I'm having some trouble with our accuracy. It appears we're missing maybe 20% of the impressions. I'm using a ...
2
votes
1answer
169 views
Alternative Ganglia interfaces?
I'm evaluating various metric collection systems and appreciate just about everything in Ganglia, except for the less than clean interface. Does anyone know of alternative Ganglia interfaces or ...
4
votes
5answers
409 views
Monitoring tools that can take high rate and high volume?
We're using Cacti with RRDTool to monitor and graph about 100,000 counters spread across about 1,000 Linux-based nodes. However, our current setup generally only gives us 5-minute graphs (with some ...
2
votes
5answers
920 views
I need to replace munin with something more scalable
I have used munin on multiple servers for many years with great success, however with more than 100 munin-nodes and when there is load on the clients, the processing is timing out.
I have made some ...
2
votes
1answer
285 views
How to compare CDN services?
What are the metrics and their priorities to compare various CDN services?
0
votes
1answer
177 views
Sun Directory Server 5.2 performance
I'm using logconv.pl (provided by Sun), to measure performance on my server.
These two metrics results, are worrying me a bit:
Binds: 192164
Unbinds: ...
3
votes
3answers
155 views
How to compare CPUs?
What are the metrics and their priorities to compare task specific performance of various CPUs?
0
votes
1answer
257 views
Reporting Services 2008 SSRS usage metric reporting
We use web trends to track the usage of our web sites, but web trends is currently not capable of reading the logs produced by SSRS 2008. Has anyone figured out a way to modify the file so that web ...
0
votes
1answer
101 views
Configuration Rmetric with Rcov in hudson error
When I attempt to save a job that runs code coverage tests and is configured to publish an rcov report I get the error message listed below and the changes I made aren't saved. This problem cropped up ...
1
vote
2answers
99 views
server performance metrics report and practicality
I have a need of preparing web server (apache-php) performance report containing important metrics like CPU usage, disk io, memory usage on user basis. Couple of domains are hosted in the same server ...
0
votes
3answers
1k views
Server 2008, 2 NICs, 2 fixed IPs - big delays using internet
I have an all in one Windows 2008 server, configured with AD/DHCP/DNS/RRAS - all set up with wizards and no specific tweaking. The server has 2 network adapters : one of which ("MyWAN") is plugged ...
0
votes
1answer
75 views
Exchange 2007: Is there a way to get average number of attachements per day by file type?
I'm curious about the file formats of attachments moving through an Exchange 2007 mail environment. For instance the number of .doc vs. .docx files on average. Exchange Profile Analyzer seems more ...
11
votes
8answers
815 views
Looking for a recommendation on measuring a high availability app that is using a CDN
I work for a Fortune 500 company that struggles with accurately measuring performance and availability for high availability applications (i.e., apps that are up 99.5% with 5 seconds page to page ...
0
votes
1answer
51 views
Figures on data usage through various Internet protocols?
Given this list of protocols used by the internet does anyone know any way of getting information on the amount of data (or any other usage metrics) for various ones?
0
votes
2answers
61 views
Is it possible to find information on apache_mod_php processes under /proc?
I have an apache2 server with apache2_mod_php installed.
Is there a way for me to determine from the information under /proc (or elsewhere), which apache processes are currently executing the php ...
1
vote
2answers
1k views
Tracking Apache by VirtualHost
I have an apache webserver running many VirtualHosts.
Recently it has been bogging down and becoming unresponsive, and I'm wondering how I can determine which VirtualHosts are causing most of the ...
1
vote
2answers
396 views
Dealing with redundant Ethernet and WiFi under Windows
What happens under Windows (XP Pro SP3, specifically) when you have multiple network interfaces configured on the same subnet, like when your ethernet is plugged in and your WiFi is active at the same ...
0
votes
1answer
142 views
ASP Classic Website Usage Metrics
We have a ASP Classic Web site Running on IIS 6. What is the cleanest way to record the number concurrent users? We need this data over a period of time, and a way to sum it across servers would be ...
4
votes
4answers
2k views
How to define appropriate measurements for a Service Level Agreement?
I work for a small development house who are increasingly being asked to put together formal SLAs for our products based on particular configurations.
From a development side of things I'm ...
2
votes
9answers
1k views
Measure data transfer throughput?
How can I benchmark the network transfer speed of my servers? We already have an existing file server, but it is fairly old. We recently got a donation of a (relatively) newer P4 box, and I wanted to ...
11
votes
9answers
774 views
When to move a virtualized server to physical?
Virtualization has some great benefits, but there are times when a virtualized server needs more performance and should be moved to physical.
My question is, how do you tell when these times are? I'm ...
3
votes
5answers
2k views
LAMP monitoring by zabbix
Someone have experience with lamp monitoring ? I mean standard monitoring and slow queries monitoring for mysql, virtual hosts load as well. And alerting if something going not well.
Cacti is very ...
0
votes
2answers
57 views
How to judge our scale as a metric for what kind of hosting service I need?
We have a worldwide nonprofit organization which receives a modest amount of traffic (or at least I figure it's modest but I have little to compare against -- enter SF)
How do I determine what scale ...
1
vote
3answers
216 views
What tools are available to capture and report system (application, database and sys) metrics?
I'm looking at setting up a tool for collecting usage data and KPIs from multiple systems on various platforms. We'd like to regularly report on key indicators on system usage and health. It doesn't ...
