Questions about monitoring server hardware and software performance, or network performance.

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1answer
935 views

IIS/ASP.NET performance incident - Perfmon Current Annonymous Users going through roof but Requests/sec low

Setup: ASP.NET 4.0 website on IIS 6.0 on Win 2003 64 bit, 8xCPUs, 16GB memory, separate SQL 2005 DB server. Had a serious slowdown today with any otherwise fairly well performing ASP.NET site. For a ...
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2answers
2k views

Exchange 2010 - resolving Calendar Attendant\Requests Failed

On my mailbox server, I am receiving the alert: MSExchange Calendar Attendant\Requests Failed Or in Solarwinds Requests Failed (Calendar Attendant) for Exchange 2010 Mailbox Role Counters ...
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0answers
18 views
3
votes
1answer
1k views

Have issue with monitoring 32bit app pools running on 64bit IIS

I am performing a monitoring task on my 64bit web server which has couple of applications pools running in 32bit mode. I am using .Net CLR Memory object in perfmon to monitor them. However, my ...
0
votes
1answer
28 views

Centralised log monitoring for linux servers [closed]

I've read several QA on this site about monitoring servers, but I found out, that none of them centralises all the logs I want to watch. To describe my situation: 10 linux hosts Using logwatch to ...
2
votes
1answer
19 views

How can I monitor disk IO load on a Windows 2008 server?

We are running multiple processes on our servers, which are mostly CPU intensive, but also use the local HDDs for reading the data. I can trivially look at the CPU load and memory usage in TaskManager ...
1
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1answer
1k views

Active Sessions Performance Counter for Web Server

I would like to monitor the number of active sessions for my ASP.Net 4.0. It is hosted on IIS7 Windows 2008 Server. When I looked at the Performance counter, I saw many instances. How could I know ...
1
vote
2answers
80 views

Linux dd: Is there a way to redirect its output for monitoring?

Sometime the servers in my workplace experience some weird behavior, it happens in random physical racks around different DC's around the world. It seems like there's a networking bandwidth issues ...
0
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1answer
1k views

In Windows 7, why can't I use perfmon against a remote server?

I am on Windows 7 and trying to run perfmon against Windows 2003 and Windows 2008 servers. I am running into the same issue with all remote machines. When creating a data collector set, I specify a ...
1
vote
1answer
1k views

Zenoss: Getting SNMP stats over SSH

I have the SSH connection working. I have it successfully modeling the device (Ubuntu Server, in this case). What I can't get to work is the SNMP portion. It sounds like I have to custom add the ...
2
votes
1answer
2k views

Running perfmon continuously with periodic reports

I have a question very similar to this one, but I want to continuously run perfmon, during reboots and throughout the day. Further, I'd like to generate a perfmon report every 10 mins or so. The ...
0
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1answer
147 views

Optimal configuration of “Processor load is too high” trigger in Zabbix

I monitor approx. 10 Linux servers with 4 CPU cores each with Zabbix. I was receiving way to many false alarms from "Processor load is too high" trigger lately. The "Processor load is too high" ...
0
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1answer
278 views

Php-Fpm: status URL for all pools

I have an ISPConfig server serving php pages with FPM in ondemand mode. On another server with a single fpm pool I keep daemon monitored using the /status URL and work great. In ISPConfig case there ...
3
votes
3answers
712 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 - ...
6
votes
5answers
2k views

Nagios Check that Simulates Web Full Rendering Time

Does anyone know of a Nagios plugin or cli program that can simulate the load time of a webpage as it would be in a browser. For example the resulting total load time of something like Pingdom's Full ...
1
vote
1answer
29 views

Export memory consumption of a executable for multiple users over time on Server 2008

I have seen similar question by other users, but could not find a one related to an executable. Situation: Terminal server where 10-15 users log in and run applications. For this instance, we want to ...
3
votes
3answers
12k 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 ...
0
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0answers
127 views

Zabbix monitoring a custom process

Hello I’m new with Zabbix, I have the follow scenario: About 10 windows server with our process that we have to monitoring. The processes have different name but they have the same prefix, for ...
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0answers
60 views

IIS Performance Counters recorded extremely large requests per second value

While I've been monitoring a production IIS server receiving around 1000 - 5000 requests per second almost steadily, I've encountered a few spikes in the performance counter "Requests/sec" and "GET ...
1
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0answers
47 views

Logman user switch confusion

I'm setting up a powershell script that installs a logman counter on several servers that are in dire need of some performance monitoring. The documentation states that the -u switch works with ...
92
votes
2answers
39k 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 ...
1
vote
1answer
137 views

Using Powershell to get a group of specific perfmon counters

I'm trying to set up a script that generates blg files every set amount of time, using powershell. I know this can be done using perfmon XML templates, but for this specific project I have to do it ...
0
votes
1answer
85 views

Why this server is so slow?

I hired a VPS in DigitalOcean, it's hosted in Amsterdam, I'm in Turkey. But server is responding slowly and page is freezing/lagging even at ajax POST-GET request.(there is a basic browser game in ...
0
votes
1answer
89 views

mpstat not displaying intr/s column

I'm on CentOS 6.5, sysstat 9.0.4.22.el6 For some reason mpstat is not displaying the intr/s column I'm running it this way, for example, and only these columns get displayed: mpstat -P ALL 1 5 ...
1
vote
2answers
349 views

Live monitoring on web server logs by tailing the webserver access log

I am looking for a way to find who causes high load on my nginx web server but I do have too many requests per minutes to figure it out which one is the real cause. I want a solution that would work ...
1
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1answer
54 views

HP arrray - XP and EVA - performance monitoring

I have some HP arrays I'd like to monitor for performance. I'm making a reasonable amount of progress with my 3PARs, in using ssh connectivity and show... commands to gather performance information ...
2
votes
1answer
70 views

Linux filesystem page cache - hot or not

How can you tell how much of the filesystem cache is hot (frequently accessed) or not? The use case would be determining when you are approaching the limits of your memory but before you actually hit ...
0
votes
1answer
680 views

SCOM alert: The threshold for the Logical Disk\Avg. Disk sec/Transfer performance counter has been exceeded

We are monitoring several Windows Server 2012 R2 VMs running on Hyper-V. Now SCOM (2012 R2 UR2) reports: The threshold for the Logical Disk\Avg. Disk sec/Transfer performance counter has been ...
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0answers
48 views

Why am I unable to start the built-in System Data Collector Sets on Window Server 2008R2?

Why am I unable to start the built-in System Data Collector Sets on Window Server 2008R2? I can select "Start", but nothing happens and the report is never generated. I don't see any errors in the ...
-2
votes
1answer
141 views

Is the Datadog install script safe to run? [closed]

I have a production server (CentOS 6, Apache, Nginx, MySQL, PHP, wordpress). I want to see some metrics (e.g., load bandwidth, RAM, CPU and so on). I chose a Datadog for this task. The instructions ...
0
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4answers
753 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 ...
0
votes
2answers
58 views

Real time server status on another linux server

I'm looking to make some sort of readable file(pipe?) on my two web servers that shows the id of the mysql server with the least load to use in load balancing as well as some other applications. I'm ...
0
votes
4answers
191 views

Web Application Performance Testing - End User Experience

I currently maintain servers that host a .NET web application for external customers (primarily Microsoft technologies). I would like to find some tools or services that would let me measure web ...
3
votes
2answers
306 views

How to monitor a Windows process' working set greater than 4GB?

Apparently the .NET framework has a bug that prevents working set values above 2GB from accurately being determined. Between 2 and 4GB one can apply some xor-ing calculation to obtain the value, but ...
0
votes
5answers
3k views

How can I monitor network performance in Linux? [closed]

I am managing a network with a Linux server (CentOS 5.4) and Windows XP Clients. Recently I have become concerned about network performance and would like to begin monitoring it. Is it possible to ...
0
votes
0answers
64 views

Getting performance metrics from a (cluster of) nodejs process(es)

What are some ways to get interesting performance metrics out of any given node.js app, and how can one deal with that when there's essentially many running processes using cluster.js? Interesting ...
46
votes
10answers
14k views

How to [politely?] tell software vendor they don't know what they're talking about

Not a technical question, but a valid one nonetheless. Scenario: HP ProLiant DL380 Gen 8 with 2 x 8-core Xeon E5-2667 CPUs and 256GB RAM running ESXi 5.5. Eight VMs for a given vendor's system. ...
4
votes
2answers
156 views

Hyper-V Performance Monitoring

Background I am very new to the world of server-based virtualization (I've been running VM's on my desktops for years). The organization I work for has recently purchased a Dell server that will be ...
0
votes
2answers
49 views

ubuntu 12.04 long term monitoring

I´ve a Ubuntu 12.04 server with a lamp stack running. I´m fighting with ressource scoring scripts (f.e. php scripts generating excel files). I´ve googled a lot of software but couldn´t find a fitting ...
0
votes
1answer
75 views

Performance Monitor for ASP.Net applications

I have an IIS hosted ASP.Net site which is experiencing timeouts. I would like to be able to monitor it from every angle but I'm not sure where to start with configuring PerfMon counters. Does anyone ...
2
votes
5answers
2k views

Performance monitoring on Linux/Unix

I run a few Windows servers and (Debian and Ubuntu) Linux and AIX servers. I would like to continously monitor performance on these systems in order to easily identify bottlenecks as well as to have ...
3
votes
2answers
906 views

how does NewRelic work by simply installing .Net agent?

Yesterday, I decided to give NewRelic a try. I signed up for a free account, and installed the .Net agent, and restarted IIS as instructed. Immediately, this agent started showing up a wealth of ...
-1
votes
1answer
134 views

Nagios Alerts / Notifications - SMS

Configured Nagios core 4.0 and NDOutil 2.0 both are working in ubuntu. Now i am looking for alert types in Nagios. And i am confused in plug-ins and Add-ons in nagios. Especially i am looking in ...
2
votes
3answers
4k views

Network bandwidth usage per process Windows Server 2003

Is there freely available analog from Microsoft to monitor network bandwidth usage per process on Windows Server 2003 as this is implemented with Resource Monitor on W2k8? What I need to know is how ...
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
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0answers
95 views

The `iostat` Command Describes a Non-Existent Block Device

The System An instance running on Amazon EC2 It is an m1.large EC2 instance The instance is running Ubuntu Server 12.04 LTS Here's What Happens... I wanted to measure disk IOPS on my system, and ...
0
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0answers
81 views

Monioring the performance of asp.net web application using IIS log files

I have IIS log files, I need to findout the errors generated by the asp.net web application which are hosted in IIS 7. I used Log parser to paarse IIS log files, but I want to find errors such as ...
0
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1answer
317 views

SQL Server Timeout issues at random times causing performance degradation

I am having random timeout during a brief period of time on certain days. My CPU, Memory looks fine. So I ran Performance Monitor during these spikes and found my average disk sec/read was 5.8 ...
0
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2answers
213 views

Logging detailed network activity on Windows Server 2008

One of my clients is experiencing internet delays and outages within their small network. They've verified with their cable company that the issue is not related to any cable company outages. The ...
0
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1answer
294 views

performance monitor in iis 7 to monitor which website is using most resources (asp.net)

I am using Windows Server 2008 R2 and IIS 7.5, and am hosting multiple websites on the same webserver. Is it possible to use Performance Monitor to know on average which website is using the most ...