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Questions tagged [metrics]

metrics are a way to measure things.

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 there by either going through router D or router C. Router A will calculate the cost, this is based on metrics. A router can calculate a metric by looking at what routing protocol is used by another router and its bandwidth. It will try to always use the router with the lowest metric.

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How can I plot Apache HTTPd status counts in Graphite without Statsd using Logstash?

I'd like to send Apache HTTPd log statistics, such as 200 status counts to Graphite/Carbon. Logstash looks ideal but all the examples I've seen use Statsd to act as the state counter. This means spinning up a Statsd server (or enabling Statsd in…
Alastair McCormack
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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 time? My company is refreshing everyone's laptop…
wfaulk
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Data does not get collected (Sensu, Carbon, Graphite)

I need to show graphs from sensu relay in graphite : With a netcat cmd i see a new tree in Graphite : #echo "test.first 10 `date +%s`"| nc 127.0.0.1 2003 But with sensu relay i see only : "MetricLineReceiver" in "listener.log" and nothing in…
user278565
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Monitoring / metric collection for system collectives that change a lot in time (a.k.a. cloud)

When your server fleet doesn't change a lot in time, like when you're using bare-metal hosting, classic monitoring and metric collection solutions (Nagios, Munin) work well. But if the number of systems varies a lot in time, and may in fact vary…
Florin Andrei
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datatstax opscenter v 4.1.2 short-os collection failed

I've installed Datastax opscenter v4.1.2. It was bundled with Datastax Cassandra Community edition version 2.0.8. I'm running these on Windows Server 2008 R2 64-bit. When I open opscenter all agents are connected and all the stats are displayed…
user226491
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Calculating IOPS for a single HDD - what am I doing wrong?

So I know there is no standardized way of calculating IOPS for a HDD, but from everything I have read it appears one of the most accurate formulas is the following: IOP/ms = + {rotational latency} + ({block size} / {data transfer rate}) Which is…
red888
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What is the best way to get ubuntu webserver cpu and memory load chart?

Possible Duplicate: What tool do you use to monitor your servers? I have a simple ubuntu 12.04 server that runs nginx, gunicorn and some python WSGI websites. Every morning i want to see server's CPU and memory usage for past 24hrs so i can…
grigoryvp
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Measuring custom statistics with sar

I have a server application which I think is leaking file handles. I want to track the usage of file descriptors over time on my Linux (ubuntu) server. I've figured out that I can track the number of file descriptors in use by a process with lsof…
Will Glass
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Simple tools to quickly capture and graph some arbitrary metrics on a server?

I want something that's quick to set up, doesn't have a lot of dependencies, outputs pretty graphs, and is easily customizable (e.g. calling external scripts that simply output a numerical value). I've worked with Munin and Zabbix before, but feel…
toupeira
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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 attribute] List the the number & type of CPUs +…
Sajee
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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 (example:graphite), needs a continious flow of metrics. When the…
Julien Duponchelle
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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 minimal experience with PerfMon so I'm not quite…
Digital ink
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Display metric for multiple servers on a single grafana panel, using a Snowflake datasource populated from Kafka

I have a collection of servers which submit metrics to a single kafka topic. This data is stored as a row in a snowflake database in this format: { "disk_util": 47.7, "location": "location1", "timestamp": "1683703169378" } I'm using this…
doublespaces
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Proof that aws cloudwatch get-metric-statistics works

I am learning to use the aws cloudwatch get-metric-statistics subcommand in the AWS command line tool. To prove to myself that I am using the tool correctly, I would like a simple example command that should always return some data. Or, at least,…
John Skiles Skinner
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Using CloudWatch to monitor concurrent users

I'm looking for a good way to monitor concurrent users in my server. The server's got a websocket connection, so it's easy to determine whether a user is connected or not. After looking into CloudWatch for a bit, I have a plan: Every minute, each…
Waneck
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