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

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13 views

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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21 views

CPU utiliation in summary and task areas differ

We have a Cisco UCS-B200-M3 server with 48 cores under high load. The curious thing is a mismatch in top output. Here are the initial lines from top: top - 14:14:06 up 35 days, 18:11, 0 users, load ...
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1answer
43 views

“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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1answer
40 views

Analyzing server performance [duplicate]

Analyzing server performance Hi we have recently finished work on one ecommerce site which is built on opencart 2.x and site has around 1k products. The site is currently running on VPS server. from ...
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56 views

IIS time-taken and \ASP.NET\Request Execution Time relation

I am aware that the IIS log entry time-taken field will also report network-time (under certain conditions). I use the PerfMon counter \ASP.NET\Request Execution Time that reports The number of ...
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8 views

Is it possible to get performance metrics out of hitachi san array or out of tuning manager?

Has several hitachi san arrays ( AMS, HUS ) and virtualizers ( VSP, USPV ). Hitachi Command Suite had installed. Tuning Manager quite usefull, but i want to get statistics out of it ( automatic way, ...
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82 views

How to monitor request timeouts/drops between IIS and nginx

An NGINX reverse proxy is load balancing multiple Windows IIS/ASP.NET servers. Let's say the servers are under heavy load and might drop connections/requests. I see upstream timed out errors in ...
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1answer
47 views

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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1answer
17 views

Why can't I view or add SQL and Network Performance Counters in Performance Monitor?

I'm trying to add the below Performance Counters to a user-defined data collector set in a Performance Monitor on Windows Server 2012 R2. I can see them when I dump them to a file (eg typeperf -q -o ...
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1answer
35 views

Does it make sense to use perfmon in a vSphere infrastructure?

vCenter has its own performance counters, so does it make sense to use perfmon to baseline or monitor things like IOPS of Windows VMs, or should I just be using vCenter counters instead? Would ...
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8 views

How to show delta of a counter metric in PCP between time A and B?

For simple metric like disk.all.read it is enough to do something like this: $ pmval -a ... -S 11:50 -s 2 -t10m -r disk.all.read metric: disk.all.read ... start: Tue Feb 23 11:50:00 2016 end: ...
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12 views

drop in nmon top monitoring

We've had an incident in production and while looking at the nmon TOP graphs for some java program, I was surprised to notice drops in the data collection, see the picture: As you can guess (since ...
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11 views

Error Running pcp on Cent OS

I am installing pcp and pcp-webapi using the following command [vagrant@localhost ~]$ sudo yum -y install pcp-webapi It installs successfully, however when I try to start the service using sudo ...
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1answer
97 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 ...
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29 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
37 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
42 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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41 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
54 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
363 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
65 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 ...
2
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1answer
328 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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2answers
213 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
309 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
106 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
35 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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36 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
31 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. ...
4
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208 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
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0answers
52 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
255 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 ...
7
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1answer
1k 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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168 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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0answers
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 ...
3
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0answers
92 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 ...
4
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1answer
877 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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0answers
89 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 ...
3
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1answer
119 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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87 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
211 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 ...
0
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1answer
166 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
50 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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18 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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20 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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78 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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0answers
21 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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0answers
77 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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349 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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15 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
117 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 ...