40
votes
10answers
11k 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. ...
0
votes
1answer
17 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 ...
0
votes
2answers
87 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 ...
2
votes
1answer
72 views

How Long Should Data Collection Sets run in Windows Server Performance Montioring

I currently have an application server and a database server both running on Windows Server 2008 R2. I have been tasked with generating a weekly report on the utilization of CPU, Memory and Disk. I am ...
0
votes
1answer
209 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 ...
1
vote
0answers
117 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 ...
0
votes
1answer
32 views

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 ...
1
vote
1answer
184 views

How to collect the performance data of a server during an unreachable/down period using Nagios?

Some time services and host stop responding due to a poor server performance. I mean, if for some reason (could be lot of concurrency services access, a expensive backup execution on the server or ...
0
votes
0answers
131 views

When looking at a Server Work Queue performance counter, what is SMB2 Blocking 10?

I'm looking at pulling some server performance counters for my Windows 2008 R2 server, and one of the things I would like to monitor is the Server Queues. However, this is an active server and it ...
0
votes
1answer
24 views

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 ...
1
vote
1answer
120 views

How to graph the web server load by using the nginx logs with response time?

I want to analyse if certain type of requests do have an important impact on the server. My backend service is behind nginx which logs all requests including the time needed to get the response. Now ...
-5
votes
2answers
82 views

How can I test my server response time? [closed]

I'd like to test my server response time and how fast my website loads. How can I do it?
0
votes
1answer
56 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 ...
1
vote
2answers
418 views

How does CPU consumption look like from a VM on a heavily use VM Host?

I know I could test this, but I don't have the time right now to setup pristine test conditions to learn something that should be in documented form - and that I cannot find in an authoritative form. ...
0
votes
1answer
306 views

Debugging I/O issues on a linux server

What are some ways to debug I/O issues on a linux server? I've been using: # nohup top -b -d 10 > /var/log/top.log & # nohup iotop -b -d 5 -o -t > /var/log/iotop.log & PS: hardware ...
3
votes
3answers
547 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 - ...
0
votes
1answer
193 views

Interpretation of typeperf counters for loopback interface

I have collected performance statistics using typeperf for the following counters: Network Interface(MS TCP Loopback interface)\Bytes Total/sec 10 203 372 Network Interface(MS TCP Loopback ...
0
votes
1answer
78 views

Performance Monitor (perfmon) showing some unusual statistics

Recently i have thought to used perfmon.msc to monitor process utilization of remote computer. But i am faced with some peculiar situation. Please see the below Print-screen I have selected three ...
1
vote
1answer
1k views

Performance Monitor ( perfmon ) - how to open .blg file

I have recorded data through perfmon.msc, and save the data. The extension of the Data is .blg. Whenever i double click the file the below windows get open. here, i can't see any log which i have ...
1
vote
0answers
123 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 ...
5
votes
2answers
341 views

Very active database with high % disk times

I have a very active website which is using a NoSql database (RavenDb). I don't have exact figures as i'm not quite sure how to extract this information (any help would be great!) But looking in ...
3
votes
0answers
1k 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 ...
2
votes
2answers
764 views

Windows: How to determine the cause of heavy disk use

I'm using perfmon's "PhysicalDisk\% Idle Time" to determine when the disk is being used heavily. The question is, what's the best/quickest way to narrow down what was using the disk? I'm aware of the ...
1
vote
1answer
245 views

How can I save the counters’ setup in windows performance monitor

I need a comprehensive and complex set of performance counters in windows performance monitor. At this point every time that I use performance monitor, I have to add the counters, one by one. Is there ...
0
votes
1answer
67 views

Performance analytics via DBMS “plugins”, or other solution

I'm working on a systems monitoring product that currently focuses on performance at the system level. We're expanding out to monitoring database systems. Right now we can fetch simple performance ...
0
votes
1answer
748 views

Oracle Application Server Performance Monitoring and Tuning (CPU load high)

Oracle Application Server Performance Monitoring and Tuning (CPU load high) i have just hired by a company and my boss give me a performance issue to solve as soon as possible. I don't have any ...
1
vote
2answers
422 views

How can I read the dmp file created by perfmon?

I'm trying to debug a memory problem on a client web server that I have no access to. The client, with some help from Microsoft consulting, set up a bunch of perfmon counters and just sent us the ...
0
votes
1answer
162 views

MS Server 2008 NLB: Writing on Harddisk

I'm in a confusing situation right now: I have 2 MS Server 2008, hosting a WCF-Webservice which is basically reading data from an SQL-Server and forwarding it to the client. We use NLB to loadbalance ...
1
vote
2answers
358 views

Inducing artificial network latency in Hyper-V

I want to do some testing on how will system performance degrade with various changes in network throughput and latency. I am using Hyper-V for virtualization. Is there a way I can artificially limit ...
2
votes
3answers
9k 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 ...
1
vote
4answers
1k views

High CXPACKET wait type in SQL Server even with MAXDOP = 1

I have always had a very high CXPACKET wait type, and I've been told that it stems from parallel processing, and I should keep MAXIMUM DEGREE OF PARALLELISM = (Nº Processors / 4), or 1 in my case. ...
1
vote
2answers
162 views

SQL performance, how to exactly measure bottlenecks

Yesterday me (programmer) and one of my coworkers from our Hosting department started series of tests to address performance issues with our websites. We are running a server with Windows Server 2008 ...
1
vote
0answers
423 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 ...
0
votes
1answer
241 views

JBoss 4.2 Autodiscovery Failure (NoClassDefFoundError)

I am experimenting with Hyperic for the first time. I have a basic server & agent setup and working on a Redhat Linux box. But when the autodiscoverer is running for JBoss 4.2 I get the exceptions ...
0
votes
0answers
142 views

Please help me debug occasional apache http request 'hangs'

i'm running my site on a VPS with apache/php/fastcgi/mysql - occasionally (1 in every 30 requests or so), when i open a page it seems to hang until it times out and returns a 500 error. I do not ...
2
votes
5answers
330 views

Figuring out what's causing a server to slow down

I have a potential client that has a php site that performs fine most of the time. However, every week or so, it will experience lag (slow page loading). I am sure there are a myriad of things that ...
1
vote
3answers
373 views

Any open source software for measuring & monitoring MySQL performance?

I'm working on improving the performance of a MySQL server. I'm looking for something to measure & monitor the performance of MySQL (as query per second) over time so that I can measure any ...
1
vote
2answers
2k views

VMWare Esxi Looking for Bottlenecks

I have a VMWare ESxi box, 22GB ram, Dual Quad Core Xeon, 2 Sas drives + Write caching raid controller etc. Anyways, have about 30 small XP VM's running on it and starting to get some very slow boot ...
6
votes
4answers
6k views

Gigabit ethernet generally faster than Firewire 800?

If I want to transfer a large file between two computers, which are connected via LAN, would going through the network (setup as gigabit ethernet) be faster than using a direct Firewire 800 connection ...
1
vote
1answer
477 views

Recommendation using Client side performance monitoring (boomerang/jiffy/episodes)

There are a few Client-side JavaScript libraries that check web-site performance on the client side: Jiffy (http://code.google.com/p/jiffy-web/) Episodes (http://stevesouders.com/episodes/) by Steve ...
1
vote
2answers
344 views

Windows boot up process explorer like logging?

How can one create a automatic log of applications / memory usage / cpu usages during windows boot time? Everyone hates when a machine takes 10 minutes to boot up, but it can be difficult to ...
1
vote
2answers
270 views

Unexplained server slowdown

Apologies for the vague thread title, summarising the following was proving to be a little complicated after all it is, as titled, unexplained. Anyway, enough excuses... This morning I discovered ...
5
votes
2answers
1k views

Real-time IIS monitoring

We're looking for some monitoring software that will report and display real-time performance information for IIS. We're currently using perfmon to monitor requests executing, requests queued, ...
0
votes
3answers
684 views

Guest ESXi 4 Memory Usage in vSphere Client

one of our VM's is running relatively slowly. it is the only VM running on the ESXi server. In the performance tab the active memory is very low (<1gb), however what is strange is the 'consumed' ...
0
votes
1answer
68 views

bench marking windows machine - [closed]

We have a Java based product that is mainly used on windows. Some customers complain that application is slow. We have analysed product using JProfiler and improved various bits. As a next step, it ...
0
votes
4answers
2k views

Performance Monitor w/ SQL Server - how many counters is too many?

I'm doing some performance analysis using the built-in Windows Performance Monitor, both on general hardware and SQL Server. I've been reading a lot about which performance counters to use; in ...
0
votes
2answers
352 views

Thresholds for Linux performance metrics

What are recommended threshold for Linux performance metrics? I'm collecting statistics from remote servers using rstatd. On which values should I issue warnings? errors?
1
vote
1answer
650 views

How can I create an event trace with logman.exe on W2K8?

For various reasons, I'd like to get a trace of disk accesses on some Windows Server 2008 machines. I can set up a user defined data collector set in the Reliability and Performance Monitor tool to ...
-1
votes
2answers
2k views

How to analyse performance issue on apache web server?

My web application is suffering form the performance issues. like delay in response and all, I would like you to give me some pointer where I can learn about analyzing performance issues on apache ...
0
votes
1answer
123 views

Tracking number of IOs to disk on Windows

I'm trying to compare 2 versions of a backup software product. I setup all IO to go to a dedicated drive. Is there a way with performance monitor (or anything else) to track the number of IO ...