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

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6
votes
1answer
2k 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 ...
4
votes
1answer
717 views

ZFS ARC size vs target size

I am trying to understand the inner workings of the ZFS ARC. However, I am confused with several things: actual (zfs:0:arcstats:size) vs target size (zfs:0:arcstats:c). I understand that actual size ...
3
votes
1answer
77 views

Can I configure PCP (Performance Co-pilot) clients to report to a monitoring server from behind a firewall

I have several computers that are running applications. These computers are on the internet, in that they can connect out to the general internet over port 80. These computers have dynamic IP ...
2
votes
1answer
259 views

nmon NFS Performance Counters/Metrics

I have recently used nmon to record NFS client performance data from a suse 10 SP4 host and now need help understanding what the captured read & write figures truly indicate. With other ...
2
votes
1answer
1k views

High CPU load caused by slow disks?

We are running a online application on a 3-year old server (quadcore Xeon, 4GB RAM, SAN-disks). The server hosts besides the web application a SQL-, FTP-, SFTP, SMTP, and POP-services. Over the years ...
2
votes
1answer
4k 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 ...
2
votes
1answer
213 views

Tool to shows server workload status (ASP.NET + MS SQL)

I want to provide our testers with tool to see live server load, like memory usage, processor usage, database etc via webpage. There are a lot of tools which are installed on server for admin, But ...
4
votes
0answers
135 views

How do I get an aggregate of all the stats from all uWSGI vassals using uwsgitop?

TL;DR Can anyone tell me how I may get uwsgitop to monitor all of my vassals in my emperor-vassal setup in one shot? I have an emperor-vassal setup for my uWSGI server, and I need to monitor all ...
4
votes
0answers
43 views

Breakdown Windows Network IO by network adapter and by process

What I'm trying to do is breakdown the Network IO by network adapter and by Process. The goal is to identify which processes are generating the most IO on a certain network adapter. Resource Monitor ...
4
votes
0answers
2k views

Use perfmon to monitor a specific ASP.NET webapp across worker process restarts, IIS restarts, etc.?

I have a few perfmon performance counters that I'd like to track for a specific ASP.NET application over an extended period of time, say a week or a month. The trouble is that perfmon counters are ...
3
votes
0answers
26 views

ASP.NET Performance Counters Temporarily Drop To Zero

Having some performance issues with a VM Image (I do not have access to the VM Host, only the guest OS). Trying to determine why there are periods of time ranging from 10-60 seconds where the server ...
3
votes
0answers
65 views

Investigating Citrix app server “slowless”

Currently have a client stating that the 5 users on a 2cpu, 4gb mem app server are experiencing slowness and often, locking up for moments at a clip. Framework is a VM running in vSphere 5.5 [intel ...
2
votes
0answers
237 views

Benchmarking for DISK I/O Writes Per Second - ElasticSearch and MySQL

During working on our project we needed to decide should we use "ElasticSearch" or "MySQL" to record the audit/trail logs of the system. Searching speed is not an issue here, we needed to see the disk ...
2
votes
0answers
428 views

What could be cause of ASP.NET State Server timeout?

I recently migrated an app from SQL Server backed sessions to the ASP.NET State Server. About once a week there is a brief failure of ASP.NET to connect to the state server. These last from 20 ...
1
vote
0answers
11 views

Monitor java application memory inside Cloud Foundry

I have a Java application that I'm deploying inside a Cloud Foundry environment. I want to monitor the application's memory usage. Cloud Foundry provides the cf app command that produces output ...
1
vote
0answers
38 views

Physical memory runs out after sql changes

We have an 2008 r2 server working for 5 years, its physical memory was always around 70% but after our last site code and SQL stored procedures and functions updates it got to 94-96% and all the pages ...
1
vote
0answers
139 views

100% CPU, load average 0 - how is this possible?

Here's the top output: top - 19:20:47 up 1 day, 4:30, 1 user, load average: 0.01, 0.07, 0.12 Tasks: 170 total, 1 running, 169 sleeping, 0 stopped, 0 zombie %Cpu(s): 0.6 us, 0.9 sy, 0.0 ...
1
vote
0answers
53 views

Performance Monitor Processor Time counter blank data

I setup a simple data collector with Performance Monitor to collect Processor time(CPU Usage in %) and SQL Statistics: Batch Requests/sec @ 15 second intervals to see if i can get some baselines and ...
1
vote
0answers
16 views

What is involved in adding ZFS cache stats to orca?

I am interested in looking to add ZFS cache stats into existing orca performance monitoring that we have. Particularly, I am interested in the output of echo ::memstat | mdb -k Am still in the early ...
1
vote
0answers
69 views

PRTG Network Monitor custom sensor - return grouped data

I have an IBM DS3512 storage system that I want to monitor. So far I was able to create a custom XML sensor on Powershell, that grabs performance data saved by smcli.exe (the only known way to reach ...
1
vote
0answers
284 views

High CPU caused by system interrupts

We have a three day old Idacentre A740 AIO PC. (windows 8.1 pro) The system is up-to-date. After we start the PC and "do notthing" the system interrupts taken 40% CPU time approximately. Tried to ...
1
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0answers
152 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 ...
1
vote
0answers
188 views

Why does Process Explorer cause highly targeted failure of some applications / basic UI functions in a high-power EC2 Windows instance?

Update: I have determined that Process Explorer itself - the program I am using to debug a performance issue - seems to be the cause of the issue. See note, with updated question, at end. I am ...
1
vote
0answers
101 views

IIS httpTracing setting has no effect

I'm trying to troubleshoot some performance issues we are having on a specific ASP.NET page with Microsoft's Perfecto Tool on IIS 7.5. Perfecto uses the ETW hooks build in to IIS to report on specific ...
1
vote
0answers
63 views

How can I get a windows server to collate and email 4 daily reports/graphs for server performance

I run a windows 2008 webserver and would like to setup the most basic performance monitoring in the world. What i would like is: a plot of ASP.Net request time for each w3wp process for a 24hour ...
1
vote
0answers
182 views

Increasing collection level for performance counters in vCenter 5

I want to simply increase the collection level of some of the Network performance counters to 4, when I look in performance for the host, and click 'Advanced', switch to look at the Network ...
1
vote
0answers
138 views

Windows 2008 R2 - how to optimise performance monitoring?

It seems there are quite a few "default" monitoring threads running. I have W2008R2 and when I opened Performance Monitor I can see 6 Event Trace Sessions in the System collector sets. This is ...
1
vote
0answers
108 views

How do I make Performance Monitor always log the time AND date?

I have been using Performance Monitor to keep an eye on Non-Paged Memory usage over the last few months. From the csv files generated I have been creating graphs to make it easy to pin point problem ...
1
vote
0answers
77 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
0answers
62 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 ...
1
vote
0answers
642 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 ...
1
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0answers
51 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 ...
0
votes
0answers
9 views

Establishing performance baseline with SCOM 2012 APM

We're lookign at establishing a performance baseline for our production environment. This could be as simple as establishing highest measured TPS for MS SQL environment and highest measured RPS for ...
0
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0answers
63 views

Windows 2008R2E > Performance Monitor > Add counters is empty?

The deployed instances of my Windows 2008R2E virtual machines (images provided by my host provider) have never seemed to allow performance monitoring. Opening up Performance Monitor, the % Processor ...
0
votes
0answers
19 views

How to set IIS Logging to best fit this scenario

I need to monitor a IIS 7 App Pool (WCF is running on it) and I would like to read messages like: Request A Received. Pool is down. Starting Pool. Request B Received. Pool going up. Request C ...
0
votes
0answers
53 views

Performance Monitor: How can I record thread states & wait reasons from all threads running in a process?

How can I record the thread states & thread wait reasons from all threads running within a specific process (WmiPrvSE.exe in this case)? Or even better from a list of processes that match a filter ...
0
votes
0answers
20 views

Orca yearly graph is not showing correct results

We are using Orca for performance monitoring on a number of solaris servers. We've got plots for hourly, daily, weekly, monthly, quarterly and yearly. However, the yearly plot is displaying hour ...
0
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0answers
83 views

SCOM 2012 - Limit WCF monitoring to only specific entry points

When monitoring IIS hosted WCF web services for performance violations, how can I configure my Monitoring Wizard to only monitor a specific entry point? I can seemingly define additional entry points ...
0
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0answers
50 views

SCOM 2012 - Record number of active asp.net users at time of alert

I'm currently monitoring the WCF endpoints belonging to an ASP.NET Web Application in SCOM 2012. I want to be able to determine the number of active users (standard ASP.NET membership provider) at the ...
0
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0answers
111 views

Exchange performance counter analisys - Outlook not responding

Problem: Users experiencing poor Outlook(2010) performance, often got "Outlook trying to retreive data from exchange server...." message. Environment: Intel modular server On this terminal ...
0
votes
0answers
400 views

PerfMon: Processor Queue Length - Random high spikes

I'm investigating alleged high CPU usage on one of our client's servers. After about 1 business day of "normal" activity, PerfMon is reporting the following values for Processor Queue Length, and I'm ...
0
votes
0answers
27 views

How to measure file access by process over time?

I would like to take a sampling of data / file access over the course of several hours or days in order to ascertain what processes (with their accompanying files) are consuming the most drive IO in ...
0
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0answers
29 views

How to ascertain where to effectively allocate server resources?

I have recently received an upgrade to one of my servers of a 256GB SSD drive (this is in addition to two other primary 1TB drives) and a memory upgrade bringing the server to 64GB from 32GB of RAM. ...
0
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0answers
134 views

How to monitor Windows mount points with Observium?

I am evaluating Observium for host and network monitoring and have many servers that use Windows mount points to mount the disks, rather than use drive letters. Using the standard SNMP service in ...
0
votes
0answers
835 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 ...
0
votes
0answers
93 views

Hadoop - On the Wire Performance Monitoring?

I have been tasked with implementing an 'on the wire' monitoring solution for a large Hadoop installation. The source of data will be a combination of taps and SPANs throughout the environment. My ...
0
votes
0answers
55 views

top output seems fine, yet server is overloaded

This server I am benchmarking gives no obvious signs of getting overloaded at a first glance. top output: top - 22:48:25 up 5 days, 3:41, 3 users, load average: 3.19, 3.34, 3.25 Tasks: 146 total, ...
0
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0answers
41 views

Get Value of SMEM using PHP

I'm using smem command to know how much RAM each user is using. It also display the Count column. As far as my knowledge is concerned, Count column is a value PHP-FPM pm.start_servers and PHP-FPM ...
0
votes
0answers
109 views

Live access logging for many nginx websites

I'm running a couple of dozen sites on a server for a client. This number moves around pretty fluidly as they test ideas and we have a flexible configuration to host things. The problem comes in that ...
0
votes
0answers
224 views

Top shows md127_raid1 with high CPU load?

I have a new server, when I use "top" to see busy processes I usually see md127_raid1 either at the top or close to the top What is this process doing? How can I easily verify that the raid is ...