I'm on a local LAN with only 8 connected computers using a netgear 24 port gigabit switch, network load is really low and send/receive buffers on all involved nodes(running slackware 11) have been set to 16mb. I'm also running tcpdump on each node to monitor the traffic. A sending node sends a 10044byte large UDP packet which more often...
I am in a situation where I am extremely bandwidth limited and must devote most of the bandwidth to transferring one type of measurement data. Sometimes I will be sending out lots of this measurement data and other times I will just be waiting for events to occur (all of this is over a TCP socket). I would like to be able to stream o...
Do you know a library to access system resources for Ruby? I would like to monitor CPU, disk, RAM, network... I would be great to have a library to monitor not only Linux, but even FreeBSD, Windows, Solaris and Mac. ...
This question was asked quite some time ago, and while it covers possible solutions for SQL 2005 and 2008, it lacks a good solution for SQL 2000, which is still far too common. I need a way to monitor certain fields of a database table for changes, and notify my application when these changes occur so that I can blast them out on the lo...
I want to write a program from scratch to see the sockets activity, what they send, what they receive, etc. I don't want to use a Library because it's more for academic purposes than anything else. Where should I start? Just to be clear: my program won't be connecting to anything or creating any socket, it just wants to listen to the a...
I'm trying to find a solution that allows me to monitor resource consumption of a server. Preferably, the metrics I'm wanting to obtain are network utilisation IO, and if possible CPU usage/load average and disk IO. The only other requirement I have is that this information be obtainable by Java so it can be manipulated, and at least wo...
Lately I have been experiencing Eclipse Galileo (3.5) slowing down under Java 1.5b12 OR Java 1.6b10, every 10 to 15 minutes for about 30 seconds, it hits a 90-95% CPU load. The progress view shows nothing, however. I'm suspecting a plugin is causing issues, but what I'd need is some tool or plugin to monitor Eclipse for what it is doing...
I'm in active development of an ASP.NET web application that is using server side caching and I'm trying to understand how I can monitor the size this cache during some scale testing. The cache stores XML documents of various sizes, some of which are multi-megabyte. On the System.Web.Caching.Cache object of System.Web.Caching namespace...
I'm new to this site monitoring thing, so please bear with me. I'm looking for a good monitoring service for my website. What I'm trying do is make sure the site is running and working not just running (ie. responsive and working, not just responsive). For example, the database could be down, so the site is responsive but not working, t...
Hey everyone, I was wondering if anyone could point me in the direction of some good resources (web sites, technical articles/journals, books, etc.) related to database monitoring/performance? I am looking to write a paper that explores what kinds of statistics are useful in database monitoring, and to whom they are useful for. So, I...
We have dual power supply to a storage device. How we should be monitoring the failure of even a single power supply? Storage device is used by application on linux OS. ...
Hi, I have tried and tested the JMX API and it is pretty simple to use and provides a vast number of statistics required for monitoring ActiveMQ. But the problem is, i dont want to monitor my ActiveMQ remotely and also i dont want to use another API.To be more precise, i want to use the JMS API itself to get statistics related to vario...
I would like to a) programatically and b) remotely find out the last date/time that a user successfully logged into a Windows machine (via remote desktop or at the console). I would be willing to take any typical windows language (C, C#, VB, batch files, JScript, etc...) but any solution would be nice. ...
I am new to server administration and I am looking for some options for monitoring my slice (ruby on rails site) on slicehost. Ideally, a live view of status and loads would be great. Any suggestions? ...
Is there any way to tell Monit to send XMPP notifications as well as emails on alerts? ...
What tools can I use to monitor performance, defragment, etc. a Sybase SQL Anywhere database? ...
I am using VB.NET, 3.5 Framework. I created a WCF Service running as a console application. It is doing event listening for my workflow engine. The second application I am trying to do is a WinForm that can monitor the service and return me back the current states of the engine's workers. I am able to connect to the service fine, and ...
I am trying to monitor tomcat with the MBeanUtil class,I came accross the ResourceCache and its statistics. what exactly does a resourcecache do? I found few stats related to the Cache 1)hitsCount 2)accessCount 3) cacheSize What does each of the above stats specify. ...
I'm working on a "facade webservice" and I need to rethink part of it. The context - my webservice (let's call it "FacadeWebservice") is an internal webservice developed to hide other webservices complexity from my system: My FacadeWebservice calls ExternalWebserviceA, ExternalWebserviceB and will soon need to call ExternalWebserviceC...
I am trying to set up the PHP API for CloudWatch found here. There are 2 samples with the library and I have managed to get the first (ListMetricsSample.php) to display a list of the metrics available for my running instances in Europe. As far as I can see though this just lists the metrics, there are no values for the metrics given in t...