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2
votes
1answer
237 views

Monitor a long running process

I need to start a long running, memory/disk/cpu intensive process on Linux, and monitor it so I can : check it terminates with a good status code, collect stats (mem cpu disk every x minutes ) alert ...
24
votes
5answers
23k views

How passively monitor for tcp packet loss? (Linux)

How can I passively monitor the packet loss on TCP connections to/from my machine? Basically, I'd like a tool that sits in the background and watches TCP ack/nak/re-transmits to generate a report on ...
3
votes
3answers
1k 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. ...
4
votes
3answers
4k views

Utility for Monitoring IOPS on servers

We recently ran the Dell Performance Analysis Collection kit which monitors your servers via WMI for 24 hours. You send the file off to Dell and they return a report with graphs of IOPS and MB/S disk ...
0
votes
2answers
134 views

searching for powerfull monitoring tool for production servers [duplicate]

Possible Duplicate: What tool do you use to monitor your servers? I'm searching for a monitoring system that has the following features: targeted for Amazon EC2 scalable custom plug-ins ...
4
votes
4answers
872 views

how can I perform a disk performance test like hdparm -t in nagios?

The usual plugins are all about known stats of a system but we are seeing really odd results on some of our vmware instances with hdparm -t. Anyone know of a test actually does a write/read on a disk ...
1
vote
2answers
322 views

parameters to check from guest if ESX host overloaded

I have access to Redhat linux 5.7 guests on vmware ESX (probably 4) hosts which I suspect is often overloaded ( CPU and IO ). I have no visibility on the ESX host which is managed by another company. ...
0
votes
1answer
118 views

Memory bloat / leak in 3rd party IIS script

We have a 3rd party application that runs on an IIS web server, during the day as people use it, it seems to take up more and more memory until the server is very close to the memory limit and we get ...
1
vote
2answers
435 views

How can I read the dmp file created by perfmon?

I'm trying to debug a memory problem on a client web server that I have no access to. The client, with some help from Microsoft consulting, set up a bunch of perfmon counters and just sent us the ...
0
votes
4answers
715 views

Monitor SQL Server

I am managing a very important SQL Server 2008 R2 database. I need a solution that notifies me through email if the performance of the database server is getting bad. I am imagining the following ...
3
votes
1answer
2k views

Getting “No such interface supported” when connecting to a remote Performance Monitor

I have 6 machines: 2 x Windows 7 32-bit (W71, W72) 4 x Windows 2008 R2 64-bit (W2k81, W2k82, W2k83, W2k84) I want to access the W2k8 machines' performance monitors remotely from the W7 machines. ...
0
votes
1answer
165 views

MS Server 2008 NLB: Writing on Harddisk

I'm in a confusing situation right now: I have 2 MS Server 2008, hosting a WCF-Webservice which is basically reading data from an SQL-Server and forwarding it to the client. We use NLB to loadbalance ...
0
votes
2answers
1k views

Apache monitoring busy vs idle workers

For Apache, I want to monitor Busy workers Idle workers Queued requests Monitoring would be done throughout the day, taking a sample every min., in a graphical manner. If such a tool is not ...
0
votes
1answer
367 views

How to I track how many php-cgi processes are in use

I'm running apache 2.2 with PHP 5.2 in FastCGI mode with mod_fcgid. The platform is RedHat Enterprise Linux 5.5 x86_64. I have my minimum and maximum fastcgi slaves set to 35. How do I track how many ...
0
votes
1answer
709 views

Apache loading time in microseconds - difference between header and log

I recently followed this guide to obtain performance measurement of siteload on a web server. To log the time it takes for Apache to process a request add this to your apache configuration file: ...
1
vote
2answers
394 views

Inducing artificial network latency in Hyper-V

I want to do some testing on how will system performance degrade with various changes in network throughput and latency. I am using Hyper-V for virtualization. Is there a way I can artificially limit ...
1
vote
4answers
884 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: ...
3
votes
2answers
244 views

Measuring “loading time in milliseconds” every minute

I have apache running on a virtual server, which in periods gives very bad performance - even when retrieving static JPG or PNG files. This only happens once in a while, so it's hard for me to ...
1
vote
0answers
71 views

Configuring PA Server Monitor for Windows monitoring

My company got PA Server Monitor to monitor 6 servers. I have few questions regarding configuration. So far I've made disk space and ping monitors. Generally two servers are IIS 7, two are SQL Server ...
1
vote
2answers
219 views

Performance impact of monitoring a performance counter

Assume two servers, A and B. From server A I open perfmon and add the counter \ServerB\Processor\% Processor Time and start monitoring it every second. Is Server A going to poll server B every ...
0
votes
3answers
111 views

CPU usage messuring?

I have a Windows 2003 cloud server and I did like to checkout the current usage of cpu and memory of 2 applications I have currently running but I am not sure of what would be the right tools to check ...
0
votes
1answer
232 views

dm_exec_query_stats returns worker time greater than elapsed time

I frequently query sys.dm_exec_query_stats to find expensive queries. I've noticed that in some cases the total_worker_time is greater than the total_elapsed_time. Does anyone know why this would be ...
1
vote
3answers
1k views

How to measure end-to-end response time without client network time?

In a typical multi-tier web application, how to measure the response time from when the server receive the request to the time server send out the response? I want focus on the server side ...
1
vote
1answer
1k views

Centreon not graphing Windows Disk Check

I'm trying to figure out how to get Centreon to graph a Windows Diskspace check. The service comes back fine: OK: C:\: 14.9G|'C:\ %'=63%;20;10 'C:\'=14.94GB;4;4;0;39.99 However, when I try to add ...
2
votes
3answers
10k views

Measure Linux IOPS for a running system

How do I measure IOPS of a running Linux server? I know that the theoretical IOPS of a SATA drive is around 90 and enterprise 10k SAS/FC disk is 180. I want to know how much my running system is using ...
2
votes
1answer
1k views

Get the average execution time of all select queries

tl;dr: How can I get the average query execution time of select statements of a running MySQL server? At them moment we have several database servers, with some slaves treated as read-only servers. ...
0
votes
4answers
1k views

How to check for bottlenecks in Windows Server 2008 R2

I recently switched out a 10 year old server for a brand new server in a small office and upgraded from Windows Server 2000 to Windows Server 2008 R2. After the switch was complete and some ...
1
vote
0answers
58 views

What to check for IIS Performance Monitoring

I'm trying to discover why an internet server is running on the slow side. One thing that the site does is to use an external data source, and we know those queries are slow, but these long queries ...
0
votes
4answers
187 views

Monitoring service that can run scripts

I'm currently using New Relic's performance monitoring service. Works great so far, except that I'd like some things automated. I basically just get an email notification when performance is bad or ...
1
vote
4answers
1k views

High CXPACKET wait type in SQL Server even with MAXDOP = 1

I have always had a very high CXPACKET wait type, and I've been told that it stems from parallel processing, and I should keep MAXIMUM DEGREE OF PARALLELISM = (Nº Processors / 4), or 1 in my case. ...
1
vote
2answers
168 views

SQL performance, how to exactly measure bottlenecks

Yesterday me (programmer) and one of my coworkers from our Hosting department started series of tests to address performance issues with our websites. We are running a server with Windows Server 2008 ...
1
vote
0answers
449 views

Physical Disk counters not showing up in PerfMon results

I am trying to diagnose some issues for a customer, but i notice that none of the disk related counters show up in my PerfMon results (graph or csv format). I found this article ...
0
votes
3answers
190 views

How can I get knowledge about RAM usage by my webapplication?

I have a .Net web application. On one server there are several instances of this application in different versions. How should I know what amount or RAM maximally can consume one instance? How can I ...
1
vote
1answer
228 views

Any open source passive monitoring tool like ClientVantage

I'd like to find an open source tool that do passive performance monitoring. It should: capture network packages between client and server or between servers where the packages comes from a ...
0
votes
1answer
67 views

Monitoring a service

I have a PHP script that will use exec to run commands on the server. The idea is that it'll monitor a PDF generation script on our server. I'm running into an issue where when the PDF generation ...
2
votes
4answers
1k views

Best way to say “sync all system clocks to this server, when and ONLY when I say so?” Mixed setup of Windows+Linux servers

Title pretty much explains it. Let's say there's 100 servers, various versions of Windows and Linux, and one Windows server is the "master clock." I did look at this question: How do I synchronize ...
1
vote
2answers
94 views

I need an admin toolset for Windows 2003 and 2008

i know this is way too general question but anyway. I need few tools, will write down my tasks as sysadmin and if you have any to automate my job i would be glad to hear. I don't mind paying for ...
4
votes
4answers
2k views

Monitoring tools that can take high rate and high volume? [closed]

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 ...
3
votes
2answers
330 views

Monitoring bespoke software with Zenoss

We've got a lot of back-end applications that we need to monitor the performance of (metrics such as orders waiting to be processed, time since last run, etc). Currently, this is done by an in-house ...
0
votes
1answer
251 views

JBoss 4.2 Autodiscovery Failure (NoClassDefFoundError)

I am experimenting with Hyperic for the first time. I have a basic server & agent setup and working on a Redhat Linux box. But when the autodiscoverer is running for JBoss 4.2 I get the exceptions ...
26
votes
6answers
1k 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 ...
1
vote
1answer
467 views

Linux network connections logging

I have linux (OpenSuse) testing server and I would like to have detail log about http and ftp connections (and maybie other TCP connections). Informations I'm interested in are IP address, transfer ...
1
vote
0answers
43 views

Hyper-V Performance Monitors Not Working as Data Collectors

I'm trying to monitor vCPU performance in Hyper-V using data collectors and while I can view the real time monitors (Hyper-V Hypervisor Virtual Processor\% Guest Run Time), whenever I try to add the ...
11
votes
2answers
11k views

What is “a lot” of Page Faults?

I am monitoring the memory object in Windows 2k8, and am tracking the Page Faults/sec counter. Is there any threshold to determining what is an excessive amount of page faults? Or should I be more ...
4
votes
1answer
229 views

“Enterprise Monitoring Solution” with the lightest agent?

I have a network of disparate remote VPS / "cloud" / colocated servers that I would like to monitor from a central location, using open source software like ...
0
votes
2answers
262 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 ...
11
votes
2answers
1k views

How do you monitor the performance of a character device (e.g. tape drive)?

There are many ways to monitor block device performance: dstat and iostat, heck, even sar will give you data on block device I/O rates. Unfortunately, I don't know of any good spur-of-the-moment ...
1
vote
2answers
633 views

Establish a performance baseline for terminal server windows machines

I need to establish a performace basline for our Terminal Server machines. i plan to use perfmon , and will have a SCOM server on the site very soon. The terminals are used as a desktop environment ...
0
votes
1answer
756 views

Incinga vs Cacti vs Zabbix vs [duplicate]

Possible Duplicate: What tool do you use to monitor your servers? I'd like to get a good overview of the various monitoring tools. I'm looking for something modern, fresh and lightweight ...
0
votes
1answer
140 views

MYSQL delete optimization

I have the following delete SQL statement: delete w,r from table1 w, table2 r where (w.status=1 or r.status=1) show engine innodb status shows the following. is the read rate(237.29 reads/s) ...