Question

What are some good metrics for monitoring systems and data queues?

Asked by: FerrousHombre

I need to come up with 4-6 metrics (charts, essentially) that will help our organization monitor the "health" of a system that processes large amounts of data.  This system is mission critical, and issues on it tend to cascade out to connected systems, so metrics that would indicate an imminent failure of some kind or a significant trend toward a resource bottleneck would be a big plus.  I've found some metrics examples online by digging through a lot of irrelevant chaff, but I'm uncertain how informative they would be.  The system is comprised of servers arranged in complementary pairs (#1's load fails over to #2, #3 fails to #4, etc.) with some minor load balancing, and the system as a whole pulls data in through queues, processes it, then sends it out to other systems.
Any suggestions?
Please indicate what type of charts or metrics you use, how long you've used them, and how informative or helpful you feel they have been.

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Asked On
2009-01-09 at 09:52:58ID24039175
Tags

hardware

,

metrics

,

data queues

,

status

,

health

Topics

Computer Servers

,

Probability & Statistics

Participating Experts
1
Points
500
Comments
6

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Answers

 

by: SysExpertPosted on 2009-01-09 at 11:54:57ID: 23339578

Perfmon can be used for this in real time or logging mode, with alerts

read the help file for best practices, but you will need to define specific counters if you are using special software.

It can monitor just about anything from CPU usage per core, DISK I/O, RAM, paging, the works.
 
I hope this helps !

 

by: FerrousHombrePosted on 2009-01-09 at 14:25:40ID: 23340908

We already have a statistical tracking system in place that is pretty thorough, my issue is: what to do with all that data at my disposal?

 

by: SysExpertPosted on 2009-01-10 at 20:56:26ID: 23347030

If in syslog format, then use one of the many free or $$$ syslog parsers to get just what you need.


I hope this helps !

 

by: FerrousHombrePosted on 2009-01-11 at 14:30:50ID: 23350005

I don't need to know how to get the data, that part is largely taken care of.  I need suggestions on what I should track, not how.  I'm looking for something like: "It's not necessary to track CPU, Disk IO, and MEM seperately.  In my experience, combining the three values with equal weighting applied to all three is just as informative and simpler to follow."

 

by: SysExpertPosted on 2009-01-11 at 15:40:38ID: 23350241

I would track all 3 independently, but this is very application dependent.

I normally start with a baseline set of measurements, and then after I am sure how things are working, I start to simplify.

We Monitor, CPU, reboots, specific processes and services, RAM, DIsk space, and applications.


I hope this helps !

 

by: FerrousHombrePosted on 2009-01-12 at 09:30:33ID: 23355320

Those sound like some good candidates.

How much have your metrics helped you to anticipate and reduce problems or improve performance?

20120131-EE-VQP-002

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