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70
votes
2answers
27k views

What exactly do the colors in htop status bars mean?

By default, htop shows colored status bars for processors, memory, and swap. From left to right, the bars are colored green, blue, yellow, and red depending on some thresholds. What does it mean when ...
13
votes
4answers
4k views

Finegrained performance reporting on svchost.exe

This is something that's always bothered me, so I'll ask the Server Fault community. I love Process Explorer for keeping track of more than just the high-level tasks you get in the Task Manager. But ...
13
votes
13answers
8k views

Simple tool to graph memory usage?

Is there a script that will show memory usage as a graph, for example as a pie-chart, with each process being being a separate slice? I'm not looking for something like Munin to graph memory usage ...
3
votes
1answer
609 views

windows server 2003 monitoring software combining SQL Server monitoring with CPU-IO stats

I'm aware this type of question has been asked many times before: http://serverfault.com/questions/499/how-to-monitor-bandwidth-usage-in-real-terms ...
14
votes
16answers
9k views

Real time monitoring of MS Windows servers and their services

We have a bunch of large HDTVs in our monitoring office keeping an eye on all of our production equipment. We are monitoring: Cisco routers HP switches HP proliant servers Windows 2003 IIS SQL ...
5
votes
9answers
3k views

Linux Server Performance Monitoring

I'm looking to monitor performance on my Linux servers (which happen to be Centos). What are the best tools for monitoring things in realtime such as: Disk Performance I/O, swapping etc.. CPU ...
10
votes
6answers
30k views

Weird memory usage in Windows Server 2008 R2

I hope someone can help. We've got a Windows Server 2008 R2 machine with 16GB of RAM that keeps getting all its available memory eaten by something. Nothing in Task Manager or Resource Monitor reveals ...
4
votes
4answers
2k views

Graphing per-user CPU usage on a Linux machine

I want to graph (graphical output would be great, i.e. a .png file) the following situation: I have users A, B, and C. I limit their resources so that when all users run a CPU intensive task at the ...
3
votes
3answers
949 views

Nagios plugin to take process snapshot when load is high

We have configured nagios with check_load NRPE plugin to monitor server load. It reports when load is high, but does not have option to take a snapshot top processes ( like top commmand) at that time. ...
0
votes
3answers
1k views

Monitoring postfix mail throughput

I have a number of CentOS machines running postfix and sendmail. Is there some thing that I can use to monitor the current message throughput of a mail server from its logs? I'd particularly would ...
2
votes
2answers
1k views

How do get apache display url request in Top and PS?

Is there a way to get apache to display the url that it is handling in top and ps? This would help us nail down performance issues much more faster. Thanks.
2
votes
4answers
1k views

Storing / calculating historical load averages

When I run uptime, I get output similar to the following: 07:50:39 up 13 days, 5:00, 1 user, load average: 0.00, 0.02, 0.00 Is there a way, other than by running uptime every X-many minutes, to ...
1
vote
4answers
728 views

CPU utilization is low but swapped out processes and blocked processes is high

We're facing intermittent periods of 100% CPU utilization. Server Configuration:HP DL580 G7 (4 Processor with 8 cores each; 128GB memory.) Operating System: Solaris 10_x86 update 9 Application: ...
0
votes
2answers
254 views

How Can Linux Top Show 2% Idle, but Load Say 1.20?

On CentOS5, I'm seeing the 'top' command showing a hover between 20% and 2% idle, but then the load says 1.20. How can that be possible? When I type 'uptime', as well, I see 3 load numbers that are ...
0
votes
0answers
592 views

Slow Sharepoint Server 2010

I have a sharepoint 2010 installation that is running really slowly. The installation is set up as follows, I have a domain controller (Server 2008 64 bit) with active directory and DNS set up I ...
26
votes
6answers
981 views

Top-like tool for IP traffic [closed]

I need to keep watch on how much bandwidth some connections are taking in a server, and I know I have seen a top-like tool for that before. However, I can't remember the name of the tool, and I'm not ...
6
votes
5answers
6k views

How to fine-tune our MySQL server?

MySQL is not my thing, yet I need to fine-tune one of our servers. Here are the requirements/specs: The MySQL server has only one significant database We only have one "type" of application ...
6
votes
9answers
4k views

Linux: How to find out whether the harddrive is causing a bottleneck?

I'm not asking how to find out where a bottleneck is. I just what to know how to check if the harddrive is being used at its limit (and hence causing a bottleneck). Something like top where I can see ...
2
votes
2answers
2k views

Apache Server Performance Monitoring

I've recently setup a new apache webserver with the basic LAMP stack (PHP / MySQL / Apache). I'm curious what kind of performance monitoring solutions are typical -- really, I'm simply looking for a ...
6
votes
7answers
6k views

A simple option for graphing CPU usage on a remote Linux Server

My requirements are very simple. I need to graph the CPU usage on a remote Linux server. I'm not looking for anything complicated, I just need to be able to plot the CPU usage on a Linux server over a ...
2
votes
1answer
969 views

what should be monitored for baseline sql server performance

What are the baseline perfmon counters for monitoring SQL Server and what do they mean?
5
votes
1answer
1k views

Perfmon: which counter identifies that threads are waiting?

While load testing an ASP.NET app, we find that the pages are taking 20-30 sec under heavy load. We suspect this is because the pages are waiting for database calls or web services. Is there a ...
5
votes
2answers
2k views

Monitor and graph CPU usage per process and per thread

I need to monitor CPU usage by a given process and each of its threads. For each of them I want to have: average and maximum CPU usage percent, total CPU time used during the captured period, a ...
4
votes
5answers
260 views

Justifying a memory upgrade

My employer has over a thousand servers (running SQL Server 2005 x64 and a couple of other apps) all across the country. And in my opinion they are all massively underpowered for what they need to ...
3
votes
3answers
3k views

What is the closest equivalent of “load average” in Windows available via WMI?

Linux has a notion of Load Average which is defined as: System load averages is the average number of processes that are either in a runnable or uninterruptable state. A process in a runnable ...
3
votes
7answers
1k views

System Monitoring service - Hosted [closed]

I'm looking for a system monitoring service, a bit like New Relic, but for more the system itself than the ruby side of things. i.e. something like Zabbix, but hosted like New Relic. I wont ...
2
votes
1answer
3k views

How to convert 'w3wp' process names to PIDs or usernames? (i.e.- "w3wp#29)

I'm running some perfmon counters / reports on an Windows Server 2003 IIS6 web server, that has each web site running under its own application pool/worker process user. The report is providing the ...
1
vote
2answers
2k views

VMWare Esxi Looking for Bottlenecks

I have a VMWare ESxi box, 22GB ram, Dual Quad Core Xeon, 2 Sas drives + Write caching raid controller etc. Anyways, have about 30 small XP VM's running on it and starting to get some very slow boot ...
3
votes
3answers
486 views

How to find virtualization performance bottlenecks?

We have recently started moving our C++ build server(s) from real machines into VMs. (MS Hyper-V) We have some performance issues that I've currently no idea how to address. We have: Test-Box - ...
2
votes
3answers
5k views

Logging Hardware Interrupts (IRQs) which are using 10-25% CPU

I have a server using 10-25% of the CPU time on Hardware Interrupts according to Process Explorer. How would I go about logging/diagnosing the cause of all these IRQ calls? The machine is virtual, ...
1
vote
2answers
232 views

Monitoring multiple networks

I'm looking for a (or multiple if needed) system with web interface to monitor a number of remote networks. All of these networks contain multiple clients, servers, routers, switches, printers, ... ...
0
votes
1answer
68 views

bench marking windows machine - [closed]

We have a Java based product that is mainly used on windows. Some customers complain that application is slow. We have analysed product using JProfiler and improved various bits. As a next step, it ...
-1
votes
2answers
2k views

How to analyse performance issue on apache web server?

My web application is suffering form the performance issues. like delay in response and all, I would like you to give me some pointer where I can learn about analyzing performance issues on apache ...