Tagged Questions

0
votes
3answers
81 views

Passively monitor IO wait spike on process level

We use munin and monit to keep track of general stats about our vps, in last a couple of weeks, we have been running into issues where random IO wait spike is killing our server performance. Since ...
2
votes
2answers
82 views

Disk Monitoring with cronjobs — report disk issues

Is there a way to monitor disk health and send cronjob reports for errors? I know you can use smartctl -s on -a /dev/hda to pull information but just wondering if there is a way that could be used to ...
1
vote
0answers
37 views

% segments retransmitted above threshold

I've been doing some monitoring on our servers and we get warnings that the TCPv4 / % Segments Retransmitted is above acceptable threshold: http://imgur.com/b8RNm Is there any way to tell what the ...
1
vote
0answers
51 views

Getting the virtual memory address for (major) page faults

On a Linux (Cent OS 5) system, I have a process that accesses a large amount of memory mapped files. The process is generating a large amount of page faults because the aggregated size of the mapped ...
0
votes
4answers
151 views

Testing performance from around the world - how do I get a linux shell easily in multiple countries?

We are building a socket based service where latency is paramount, and as such we have servers distributed into 7 data centres around the world. However, whilst we know we're bringing the servers ...
2
votes
4answers
154 views

Monitoring file access in Linux

Is there a way to gather statistics about blocks being accessed on a disk? I have a scenario where a task is both memory and I/O intensive and I need to find a good balance as to how much of the ...
0
votes
1answer
301 views

Enable: Asp.net connection pool monitoring with performance monitor

I'm a C# developer, but I'm running in a system management issue here. Intro: I'm suspecting that an ASP.NET application is having some issues with the connection pool and that the pool is flooding ...
0
votes
1answer
145 views

PerfMon “Data Collector” Vs. “Save Settings”/html

Perfmon seems to have two ways to capture / log its findings. One is to use a "data collector," and the other is to open a context menu and "Save Settings As" which produces an html file. Could ...
4
votes
1answer
154 views

How can I diagose 100% CPU consume of svnserve.exe?

Our Subversion server goes to 100% CPU consume after some hours of work. A restart solve the problem for some hours only. The commit and checkout will be very slow in this case. How can I find the ...
0
votes
1answer
73 views

Zabbix and time series data from old-school devices

We should monitor and log ~1000 devices (1..4 sensor per device). SMS and email alert and the common functions are required if anything going wrong. I think we instead of developing the whole ...
-1
votes
2answers
101 views

Is it possible to get some type of performance report on Windows Server 2008 R2

I have a server running Windows Server 2008 R2 and I would like to know how well it handles a certain load. Is there any built in way of telling the server to monitor performance for a specific ...
0
votes
1answer
388 views

Best Metrics for Monitoring Apache Solr instance

We are running apache solr through sunspot. What are the best metrics to use to look at the performance of solr in regards to needs to cluster/scale? I am looking at monitoring these with nagios or ...
1
vote
4answers
405 views

Recommended MySQL monitoring tool [closed]

I am looking for a good all-in-one monitoring tool for a single MySQL server and underlying Linux OS. I need something that gives me a quick graphical view of what is going on right now and that ...
3
votes
1answer
223 views

Monitor Network Performance of VPN Servers from different locations

Our company has 3 VPN Servers in US. We want to monitor network performance ( the most important factor is how fast users from different locations in the world can download data when using our servers ...
0
votes
1answer
196 views

Web Server Monitoring Tools or software? [duplicate]

Possible Duplicate: What tool do you use to monitor your servers? Recommended website performance monitoring services? I am looking for tools or software to monitor a web server. Most ...
2
votes
1answer
240 views

Windows Performance Monitor keeps trying to add unwanted counters

I have been running a Data Collector Set for SQL Server for a week, and everything was going just fine until I tried clicking on Action -> Save Current View and now it always tries to add the ...
0
votes
2answers
212 views

Linux: lightweight tool to restart process when they get killed

I have a micro instance of ec2. A couple of java process’ gets killed every now and then. Which tool can I run to monitor process and restart then when they get killed?
1
vote
3answers
2k views

Nagios remote monitoring: NRPE Vs. SSH

We use Nagios to monitor quite a few (~130) servers. We monitor CPU, Disk, RAM and a few other things on each server. I've always used SSH to run the remote commands, purely because it requires little ...
2
votes
5answers
246 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
1answer
229 views

How to monitor and log processor, memory and other details for website running behind IIS?

I have ASP.NET application installed behind IIS 6.0(Windows Server 2K3). Now when i run the application and i would like to get some load testing scenarios to work on this. While doing the load test i ...
5
votes
2answers
965 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
2answers
749 views

Zabbix not collecting data

It's the first time that i install a Zabbix server on my dedicated server (debian 5). But zabbix cannot collect data from the server itself (no remote server, it's installed on the server i have to ...
0
votes
4answers
452 views

What open source server monitoring for Linux server?

we are looking in our company new Linux Server Monitoring - performance, uptime and speed. We had some open source - Nagios nad Cacti, but this software are very hard on maintenence and hard for end ...
2
votes
1answer
187 views

mysql query monitor

I have mysql server. I need a free monitor (something similar to the mysql enterprise monitor http://www.mysql.com/common/images/enterprise/EnterpriseDashboard.png). I need the graphs to be in ...
9
votes
11answers
6k views

A monitoring tool that captures processes' memory usage/cpu usage, etc over time

I am looking for a way to diagnose issues, such as swap death, where a balooning memory process fills up swap and kills the whole machine (such as apache). I'm already using cacti and I can set up ...
6
votes
3answers
1k views

Monitor system CPU / system calls in Linux

I have a couple processes that are eating up a lot of system CPU time (as determined by looking at vmstat). Is there an easy way to find out what kind of system calls are being made? I know there ...
0
votes
2answers
355 views

Network bound / network pipe monitoring on Linux?

I'm trying to analyze the performance of an application running on Linux. I use a combination of vmstat/iostat/top to see if the machine is disk I/O bound or CPU bound, but I'm not sure what utility ...
5
votes
3answers
547 views

A strategy for network monitoring to improve network health?

The goal is to find out which parts of network should be upgraded / reorganized to improve network health (reliability and performance). What are the methods to monitor network traffic, detect ...
6
votes
9answers
3k views

Linux: How to find out whether the harddrive is causing a bottleneck?

I'm not asking how to find out where a bottleneck is. I just what to know how to check if the harddrive is being used at its limit (and hence causing a bottleneck). Something like top where I can see ...
1
vote
2answers
223 views

Microsoft Windows server monitoring tools

I'm more of a developer then an IT guy and I was wondering if there are any existing Microsof tools for monitoring servers and potentially SQL Server. We have access to MSDN so anything created by ...
3
votes
2answers
435 views

Sysadmin 101: How can I figure out why my server crashes and monitor performance?

I have a Drupal-powered site that seems to have neverending performance problems. It was butt-slow about 5 months ago. I brought in some guys who installed nginx for anonymous visitors, ajaxified a ...
0
votes
1answer
480 views

IRP_MJ_WRITE latency up to 15 seconds

We have written an application that performs small (22kB) writes to multiple files at once (one thread performing asynchronous queued writes to multiple locations on behalf of other threads) on the ...
2
votes
1answer
391 views

Monitoring load on a VPS

I am an administrator on a Virtual Private Server being rented from a host-provider. (I am running Ubuntu. They are running Virtuozzo.) I get that, although I have some guaranteed resources (like RAM ...
0
votes
1answer
454 views

Solaris PerfMon Thresholds / Context Switching?

I've got a project that involves installing s/w on Solaris 10, with little else on it. (Tomcat, no traffic other then moi, etc.) Installs go pretty slow (impatient developer time). In looking at ...
0
votes
2answers
1k views

Is there any server performance monitor php script?

Basically I have a dedicated server that will be equally divided up and used by 5 users / accounts. Each user will be allocated an equal share of disk, transfer, etc., you get the idea. But with WHM ...
2
votes
3answers
702 views

How Much Time is being Wasted on Windows Server 2008?

I am using Windows Server 2008, running in a Hyper-V VM. The system performs very badly. We're pretty sure it's due to insufficient memory. I've looked at How to find out if my Windows Server 2003 ...
0
votes
3answers
264 views

SQL Server Monitoring

I am looking for some open source software which I can use to monitor Microsoft SQL server 2005 & 2008. The features that I would like include: Graphing Recording of CPU usage Recording of Disk ...
4
votes
8answers
6k views

Windows app to monitor Linux server load, etc of a remote server in real time? [closed]

Is there a desktop app (for Windows preferably) that will connect to a remote Linux server, and provide a realtime meter/history graph of the server load and other metrics on that remote server? ...
1
vote
3answers
1k views

Web-based log parser for real-time monitoring?

Running Windows 2008. I'm using Google Analytics which is perfect, except for: 1. data is 24 hours old 2. cannot monitor web services My best solution is to use something like LogParser, which ...
1
vote
2answers
902 views

How to figure out what causes random jumps in load average?

I'm having an issue with load averages on my Debian GNU/Linux dedicated boxes. They are both (2 of them) running MySQL + a custom game server software - a smallish "MMORPG" (not massive at all). The ...
2
votes
2answers
3k views

Exporting perfmon counters via SNMP

I've got perfmon displaying the current number of ASP.NET requests on a Windows 2008 server, all good there. I've enabled the SNMP service and I can perform an snmpwalk (Linux command to browse the ...
14
votes
16answers
9k views

Real time monitoring of MS Windows servers and their services

We have a bunch of large HDTVs in our monitoring office keeping an eye on all of our production equipment. We are monitoring: Cisco routers HP switches HP proliant servers Windows 2003 IIS SQL ...
1
vote
1answer
1k views

Per process I/O accounting on AIX

Is there a way of getting per process I/O statistics on AIX, i.e. to get current disk I/O rate of a process? Commands like iostat, nmon, topas etc. can't display such data. Filemon also doesn't help. ...
1
vote
2answers
527 views

What are some good ways to monitor IO throughput and load from the client of an NFS share?

I have an ETL process that opens files from an NFS mount to process them. The number of files to be opened simultaneously is configurable. I don't have shell access to the NFS server. What are some ...
4
votes
5answers
982 views

Performance Manager - what counters?

We're currently looking at moving from a traditional Server environment to a SAN/VMWare environemnt. I've been asked to gather performance statistics for our main servers - DCs, File Servers, ...
4
votes
6answers
677 views

Recommended website performance monitoring services? [closed]

I'm looking for a good performance monitoring service for websites. I know about some of the available general monitoring services that check for uptime and notify you about unavailable services. But ...
3
votes
2answers
1k views

How do I debug an IIS problem where the requests queued suddenly ramps up and the server can't respond?

I have an IIS 6 server serving an application using a mix of classic ASP and ASP.NET. I'm increasingly getting problems where the number of requests in the ASP.NET requests queue (observed using the ...
2
votes
2answers
1k views

What are good tools/techniques for monitoring and debugging IIS performance problems?

I'm looking for the best tools/techniques for monitoring IIS performance problems and then debugging them. I'm particularly interested in ASP.NET applications. This may be a combination of tools or ...
6
votes
1answer
1k views

ext3 file system performance tuning: what metrics to monitor

I have a high-IO application that is working, and scaling well to date. Over the past few months we've been trying to look down the road and predict where our next bottlenecks will occur. One of ...