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

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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 ...
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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 ...
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1answer
17 views

concurrent user tesing using jmeter

On a 8GB RAM machine with Intel i5 2500 processor, i am running tomcat and able to send upto 400 requests with 0% error rate using JMeter for fetching a data size of around 2MB (approx). When i ...
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1answer
22 views

Current Number of Requests per Second with Apache 2.4

I know how to test the maximum number of requests per second with tools like apache bench and httperf. But is there a way to see the average number of requests per second a live server is currently ...
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39 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 ...
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1answer
36 views

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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2answers
95 views

Zabbix NFS monitoring

How would you monitor response of mounted NFS directory with Zabbix? I'm thinking about something like $ time /bin/ls -U /path/to/nfs (I think the output from nfsstat(8) relates less with user ...
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1answer
27 views

Exchange 2013 reduce disk writes

I have some write problems on my system. One of the most ravenous virtual machine is Exchange 2013 with only 70 mailboxes. This is a writes list dump example: If we exclude all EDB files and ...
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1answer
96 views

How to see disk usage graph on Windows Server 2012

I experience a huge slow-down on server. And the more I inspect, the less I find out what's going on wrong there. I think it might be related to I/O. On local PC, I can open Task Manager, and see the ...
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8 views

Multiple server monitor app for linux? [duplicate]

I currently have a custom script I wrote that logins into each one of my servers and runs a string of commands like UPTIME, greps DF and the message log for errors. Simple, effective and its not a ...
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2answers
161 views

Page load long stall times. What is this? [closed]

I have been studying the performance of a website I am building, and notice a curious thing that I can't find the answer to: two requests (always the same two) mysteriously have prolonged stalled ...
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1answer
111 views

Windows Azure autoscaling other than CPU usage

I have a rather simple .NET MVC app. There's not a lot of computing power required. However, we are expecting an enormous amount of traffic. I've been using Blitz.IO to simulate concurrent users and ...
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1answer
49 views

How do I measure initiated SSL connections per second on IIS?

I am running a stress test on a web application that is being proxied by IIS/Win2008R2 and want to measure the number of SSL Transactions Per Second going across it. In production I have a F5 load ...
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1answer
28 views

Server monitoring software that will show each cpu seperatley [duplicate]

We have been using New Relic to monitor our server load but it aggregates all of the CPUs into one measure. Is there a good tool that is similar but will show individual CPU load?
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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 ...
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1answer
27 views

Find a load on my Web Server [duplicate]

As requested, I am asking the question here. Is there a way to find a load on my web application server without a load / stress testing? I have deployed my application in the Apache Tomcat server. ...
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0answers
139 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 ...
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0answers
44 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 ...
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1answer
161 views

Windows Performance Monitor “Sample interval” vs. Alert interval

I want to get an alert via email whenever available memory drops below a certain threshold on my Windows Server 2012 To do this, I'm using a User-Defined Performance Monitor Data Collector Set. I've ...
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1answer
629 views

BUG CONFIRMED: No performance data for VMXNET3 in ESXi 6.0?

Did ESXi 6.0 completely removed the performance data for VMXNET3 or is there is a way, how can enable throughput logging/graphing for VMXNET3? In ESXi 5.5 the ESXi client showed the network ...
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141 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 ...
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8 views

How to identify underutilized servers? [duplicate]

How to identify if the servers are underutilized and CPU/RAM resources can be decreased? Servers are virtual running on VMware. I thought of MAP Toolkit for collecting performance data and then ...
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0answers
67 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 ...
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1answer
489 views

Resource Monitor - Disk - Response Time

I've noticed a difference between the disk response time reported in Resource Monitor (resmon) and perfmon. The Response Time reported in Resource Monitor is notably higher than the latency reported ...
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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 ...
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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 ...
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54 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 ...
3
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1answer
119 views

Performance counter alert not working

I want to monitor for example CPU usage on a server and run a script which will figure out the most demanding processes and logs it into file. I planned to use Performance counter alert which can be ...
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1answer
132 views

System-monitoring with Cacti: How to execute arbitrary script when threshold reached?

When doing system-monitor with Cacti[1], can you execute an arbitrary script when a threshold is reached, yes or no? If yes, how? [1] I was planning on using the Cacti plugin Thold but as far as I ...
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1answer
46 views

Windows 2008 R2, heat map

How do we get server heat map data from windows server based on memory usage and cpu usage. Our server Admins are not required to do this and our Dev team is trying to do this ourselves.I am trying to ...
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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 ...
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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 ...
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56 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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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51 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 ...
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14 views

New Relic Connections Per Server [duplicate]

Using New Relic I am trying to understand the relationship between simultaneous connections and server performance via new relic. As an example of the relationship I would like to see, it would be ...
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1answer
95 views

Tracking the slow - how to list all processes related to web-server?

I wanted to ask people in this community about administration of the Debian based web server - its a dedicated server, hosting a single website. From time to time the web site is slowing down, on ...
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116 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 ...
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403 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
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1answer
369 views

Server high memory and cpu - no leads

I've been asked to troubleshoot a server hosting our application at a client's facility. The client has complained to us on two separate occasions in the last week - week and a half. In one instance ...
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239 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 ...
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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 ...
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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. ...
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135 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 ...
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1answer
2k views

Solaris: how to list swap space per process?

On Solaris, how can I find out how much swap space a given process is occupying? Or even better, how can I list all running processes sorted by swap space usage? I'm asking this particulary for ...
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1answer
359 views

htop CPU usage information does not look consistent

Please have a look at htop screenshot below You can see there that current host has two CPU cores (or CPUs). All processes are ordered by CPU usage descending. So how is it possible that with ...
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1answer
127 views

Why does performance monitor show more cores than I have in my DL580 server?

I ran a performance monitor trace on two hp DL580 G7 servers running Windows Server 2008 R2 with 40 CPU cores. One perfmon trace showed the server having 60 cores, and the other trace showed 64 ...