Questions tagged [performance-counters]

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Windows2016 Access 32bit counters

We have a custom monitoring tool (.Net framework) that accesses custom performance counters. The custom counters are from a 32bit application running via wow64 on 64bit machines. in windows2012 we ...
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How can I resolve or trace the latency on Remote Performance Counter request?

I have a Powershell script which directly accesses a performance counter from a remote machine in the cloud in a large corporate environment: $a = (Get-Counter -Counter "\\myservername\PI ...
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Loading a performance DLL of a windows 7 service [closed]

I am trying to do a POC of recently published windows zeroday flaw where a vulnerability has been exposed in windows registry entries. I have created a performance subkey of a service RPCEPTMAPPER ...
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Event log and performance counters correlation

Anyone else often having a need to correlate multiple log sources such as event log or various log files with performance counters when troubleshooting Windows machines? For example, we had a case of ...
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Strange behavior of the ASP.NET Applications Request/Sec performance counter

I have an application that is using GZIP compression, which is implemented in a third-party library. This library has a significant impact on processor utilization. When I disabled this library and ...
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2 votes
1 answer
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How can I configure a performance monitor to create directories that do not require elevation to access?

I have some performance counters that write to CSV files in the default location (%SYSTEMDRIVE%\Perflogs). The directories that it creates are "special." When I attempt to browse into them, explorer ...
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Performance counter files in Windows Server 2016 are limited to 2 GB in size

We want to record performance counters in files up to 6 GB in size. This worked on Windows Server 2008 R2 but on Windows Server 2016 the recording stops when the file has reached in 2 GB in size. We ...
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3 votes
1 answer
1k views

Measuring Only Page Faults That Reach the Disk

I would like to measure "truly" hard page faults, i.e. page faults that result in a disk IO. It looks as if Memory\Page Reads/sec might do the trick, but as was explained in this answer, the page ...
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Performance Counters: Page Reads/sec higher than Disk Reads/sec

Comparing the values for the Windows performance counters Page Reads/sec and Disk Reads/sec I noticed that page reads are consistently higher, which is strange, as it seems that page reads should be a ...
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1 vote
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CPU performance counter not working in Windows 10 guest, VMWare ESXi host

CPU performance counters are not working inside my Windows 10 guest virtual machine. I run a bare metal VMWare ESXi (6.5) host. As can be seen from the screen shot all other non-CPU performance ...
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  • 322
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3 answers
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Permissions required to create a performance counter

I'm trying to grant an application running as a service on a Windows 2012 R2 machine to create performance counters. I tried to add the service account the application is running under to the "...
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Perfmon counters are not restarted after reboot

The question has a long history, and I went through all previous questions (1, 2) but neither of them answers the question why the standard way doesn't work? If I don't want to use logman how can I ...
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"Skype for Business StatsMan PerfAgent" causing "The Open Procedure for service XXX in DLL ZZZ failed"

We followed the Microsoft article here and installed the "Skype for Business StatsMan PerfAgent" on our Skype for Business server. The product is working as expected but every 10 min the PerfAgent.exe ...
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1 vote
2 answers
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What performance statistics can I use to determine if hyperthreading will improve performance?

There are several questions asking if disabling hyperthreading will improve performance (e.g. like this). The answer (as it is to all performance questions) is of course "profile it on your workload"....
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what does TCPV4 connections established perfmon counter mean?

We have around 60 windows based SMTP servers behind a load balancer. Out of these one server is taking significantly less traffic (1/10th) when compared to remaining servers. From perfmon, I see high '...
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2 votes
1 answer
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Getting Intel SR-IOV Virtual Function counters

After some research on Intel SR-IOV, I've realized that there is no convenient way to get the VF counters while VF interface is being attached to a VM (for example to a QEMU/KVM VM with a Libvirt ...
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How to find the current number of https connections to IIS?

I recently enabled https for my site https://cooltext.com that runs on IIS. I'd like to know how many of my users are using https vs http. Google is directing search users to the https site, but most ...
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Number of Active Database Connections Performance Counters?

We are using OleDbConnection class to connect Oracle and SqlServer. At some places we are also using SqlClient and Oracle.DataAccess.OracleConnection. I need to know how many active connections our ...
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RemoteFX Network Peformance Counters / ETW Provider

I would like to collect the data from multiple Remote Desktop Host Servers as efficiently as possible. I know that PerfMon is a consumer of ETW events that are published via an ETW Provider. My ...
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JBOSS AS 7 monitoring Paramaters

We are using JBOSS AS 7 in standalone mode to run our web application. Our user base is around 1000 users and we have 4 instances of a JBOSS running on 4 RHEL6 machines behind a load balancer. ...
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1 answer
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"Committed Bytes In Use" is high when there are plenty of "Available Bytes"

My windows computer keeps showing low on memory message so I used performance monitor to check memory status. The results are: Commit Limit: 25,758,334,976 (bytes) Committed Bytes: ...
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1 vote
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XenServer 6.5 Zeroed Performance Metrics for IOPS

In one of my XenServer 6.5 pools, I'm adding some graphs in XenCenter to measure my iSCSI storage IOPS and throughput performance and I'm getting no response. The graph is actually responsive, but ...
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2 votes
2 answers
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Windows command line tool for disk IO monitoring

I am looking at extracting disk IO statistics on Windows 2003 upon occurrence of some events, e.g. a long full GC occurring that is waiting a long time for CPU resource. I have read that Process ...
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Why am I getting performance counter errors?

I am trying to write C# code to access a computer (XP sp2) remotely to find out if a process is running. I don't know much about performance counters other than what I've been reading in the past ...
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1 answer
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What's the difference between Memory\Pool Paged Bytes and Process(_Total)\Paged Pool Bytes

(Be gentle with me, I'm a developer, not a server guy) I'm looking at some issues with custom code I have, and I'm tracking pool usage on a Windows Server 2008 machine. I'm confused about some ...
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Counters in Citrix Netscaler and their meanings (Diff) or (Actual)

I try to configure some Citrix Netscaler Command Center Reports. When I configure a Custom Report I can choose between different available counters. Per example: Vserver Hits Vserver Hits(Actual) ...
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3 votes
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Performance counter to show real IIS response time

What performance counter should I use to display current average IIS response time? ASP.NET counters correctly show the time spent in ASP.NET, but real latency is much bigger, which is confirmed by ...
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4 votes
0 answers
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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 ...
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1 vote
2 answers
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Which value of HDD avgqu-sz is critical?

This is my graph of HDD avgqu-sz from different app machines: App caches data in memory and every n minutes are data flushed to filesystem + every m minutes are data (re)loaded from filesystem in ...
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6 votes
4 answers
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How to send Windows Performance counters to Logstash + Kibana?

I would like to setup monitoring for system resources on my Windows servers. I've noticed a common configuration in Linux is to use collectd daemon to get system metrics information. From collectd ...
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1 answer
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Event ID: 2002 Source: IIS-W3SVC-PerfCounters on Windows Server 2012

My server is showing on Event Viewer this error every hour. Log Name: Application Source: Microsoft-Windows-IIS-W3SVC-PerfCounters Date: 03/10/14 9:07:42 Event ID: 2002 Task ...
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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 ...
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2 votes
1 answer
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Execute ps1 script when CPU threshold is meet

I'm looking for a function similar to Debug Diagnostics Collector. Where you can setup a performance (or any counter) trigger (eg. above 50% CPU over 50 seconds). Once condition of a trigger are ...
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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 ...
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1 vote
2 answers
1k views

Count instances of application using Windows Performance Counters

I have a terminal services server that runs instances of a thick-client application and serves them up to users via RemoteApp. In order to do some capacity planning I would like to continuously log ...
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2 votes
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How to monitor MSMQ perfomance counters for different roles in windows cluster

By default it is not possible to view perf counters for clusterd instance of MSMQ in windows cluster. The solution is to create a registry key NetNameForPerfCounters and assign role name to it. This ...
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4 votes
0 answers
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Query performance counters from powershell

I am trying this script to query performance counters in different localized windows server versions. http://www.powershellmagazine.com/2013/07/19/querying-performance-counters-from-powershell/ ...
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1 answer
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Windows: Determine number of cores from a performance monitor file?

Is there any way to determine how many cores a particular machine's CPU has based on a Performance Monitor file I have? Additionally, can we see if hyperthreading is enabled? For a period of high ...
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1 vote
2 answers
2k views

How to clear/reset the top-commands TIME counter

To find a performance problem I use "top" commands TIME column in cumulative mode (which is important for me because it also captures all the small executed child processes) When any changes in the ...
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Logging performance counters to ODBC in Windows Server 2012

I'm trying to update a data collector set to log specific performance counters to ODBC (SQLServer), however the "Data source name" dropdown is greyed. I have configured an ODBC System data source (...
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6 votes
2 answers
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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 ...
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7 votes
2 answers
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What is the (*) in Windows Performance Counters

Take the following counter for example: \LogicalDisk(*)\% Free Space Where can I find what can be plugged in place of the *? I know sometimes it's _global_ and other times it can be _total_. I ...
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1 vote
2 answers
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which performance counters mainly matter for windows server performance?

We have a website which is sometimes performing slowly, and / or completely hangs. I have setted up temporarily the default system performance data collector in Performance Monitor, to see if this ...
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0 votes
1 answer
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How to customize Windows "Performance Monitor"?

I'm wondering if that's possible to set a customized action counter that is not listed as one of the counters? e.g. a batch script that measure a time for running my application, and then notify the ...
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0 votes
1 answer
106 views

How can I replicate performance counter setups in an Azure WorkerRole?

I am trying to collect performance statistics on our Azure application. Up till now, our process has been to set up the roles with RDP enabled, connect, manually set up the performance counters, log ...
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View the performance counters I have added to a Data Collector set after creation on Windows Server 2008 R2

I have been working on creating a Data Collector Set to use to collect relevant performance information for an application my team is developing. I am using Performance Monitor on a Windows 2008 R2 ...
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2 votes
1 answer
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Using Perfmon on Windows Server 2008 R2 Which counter value should be used for physical memory usage?

I am attempting to use Performance Monitor to set up a relevant User Defined Dataset on a Windows 2008 R2 Server. This is to track the performance costs incurred by an application that my team is ...
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5 votes
1 answer
10k views

How to tell a Performance Monitor Data Collector Set to regularly generate Reports?

In a nutshell, my goal is to do a long-time recording of several performance counters. My steps I took until now were: Some days ago I've created several user-defined Data Collector Sets in Windows ...
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2 votes
1 answer
1k views

How do I create performance counter instance names for two different iis applications

I have several iis servers setup visibly identically in different environments (Dev/Test/Staging/etc). Within iis, I have an app pool "MyApplicationAppPool" and three web applications running within ...
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0 votes
1 answer
906 views

High response time with pingdom

I have a server hosted at my end, I am monitoring the server with pingdom and also my router. Strange thing is the response time towards the router is fine, but when the traffic flows towards the ...
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