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  • Stay Tuned for Relaunch

    - by Shyam Bajaj
    In the coming days, the Oracle Health Sciences team will be relaunching Health Sciences Connect. Stay tuned! In the meantime, interact with us directly via:  Twitter - Follow and converse with Oracle Health Sciences leaders - simply Tweet to us by adding @OracleHealthSci before your question or comment.  Facebook - Stay in the know with industry thought leadership pieces from Oracle Health Sciences  YouTube - Watch interviews with heads of Oracle Health Sciences and industry leaders  RSS Feed - Subscribe to us from your browser or RSS reader for industry and company updates   For updated Oracle Health Sciences product and organization information, please visit us at www.oracle.com/healthsciences.

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  • Simple end-to-end load and bottleneck monitoring for DB-based web sites

    - by T.J. Crowder
    What tools do you use / would you recommend for monitoring a Linux-based, DB-based website's servers for bottlenecks and load? The obvious goal being to know when growth has gotten to the point where it's necessary to scale up (or out) one or more of the bits and pieces because the current system won't be managing the load if an observed trend continues. I'm looking for general recommendations based on standard Linux load metrics, disk I/O metrics, network I/O metrics, etc., but if specifics are helpful: It'll be Tomcat6 using APR (possibly with a Varnish or similar caching and balancing front-end), MySQL, and either Ubuntu 8.04 LTS or 10.04 LTS depending on timing. I know about top, vmstat, iostat, bwmon and the like that collect and parse info from the /proc file system (et. al.); and obviously MySQL provides a lot of queriable performance information. I could use those directly, probably automating periodic monitoring logs with scripts and such. But I have a suspicion that I'd be reinventing a wheel... For example, Hyperic HQ seems to be along the lines of what I'm looking for. Others? Meta: I tend to think of "recommendation" questions as needing to be CW because there's no one right answer, but I see a lot of these here that aren't CWs, so I haven't marked it as one. I'll happily do so if enough people think I should.

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  • Performance monitoring on Linux/Unix

    - by ervingsb
    I run a few Windows servers and (Debian and Ubuntu) Linux and AIX servers. I would like to continously monitor performance on these systems in order to easily identify bottlenecks as well as to have an overview of the general activity on the servers. On Windows, I use Windows Performance Monitor (perfmon) for this. I set up these counters: For bottlenecks: Processor utilization : System\Processor Queue Length Memory utilization : Memory\Pages Input/Sec Disk Utilization : PhysicalDisk\Current Disk Queue Length\driveletter Network problems: Network Interface\Output Queue Length\nic name For general activity: Processor utilization : Processor\% Processor Time_Total Memory utilization : Process\Working Set_Total (or per specific process) Memory utilization : Memory\Available MBytes Disk Utilization : PhysicalDisk\Bytes/sec_Total (or per process) Network Utilization : Network Interface\Bytes Total/Sec\nic name (More information on the choice of these counters on: http://itcookbook.net/blog/windows-perfmon-top-ten-counters ) This works really well. It allows me to look in one place and identify most common bottlenecks. So my question is, how can I do something equivalent (or just very similar) on Linux servers? I have looked a bit on nmon (http://www.ibm.com/developerworks/aix/library/au-analyze_aix/) which is a free performance monitoring tool developed for AIX but also availble for Linux. However, I am not sure if nmon allows me to set up the above counters. Maybe it is because Linux and AIX does not allow monitoring these exact same measures. Is so, which ones should I choose and why? If nmon is not the tool to use for this, then what do you recommend?

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  • Deployment and monitoring tools for java/tomcat/linux environment

    - by Ran
    I'm a developer for many years, but don't have tons of experience in ops, so apology if this is a newbe question. In my company we run a web service written in Java mainly based on a Tomcat web server. We have two datacenters with about 10 hosts each. Hosts are of several types: Dababase, Tomcats, some offline java processes, memcached servers. All hosts are Linux CentOS Up until now, when releasing a new version to production we've been using a set of inhouse shell script that copy jars/wars and restart the tomcats. The company has gotten bigger so it has become more and more difficult operating all this and taking code from development, through QA, staging and to production. A typical release many times involves human errors that cost us precious uptime. Sometimes we need to revert to last known good and this isn't easy to say the least... We're looking for a tool, a framework, a solution that would provide the following: Supports the given list of technology (java, tomcat, linux etc) Provides easy deployment through different stages, including QA and production Provides configuration management. E.g. setting server properties (what's the connection URL of each host etc), server.xml or context configuration etc Monitoring. If we can get monitoring in the same package, that'll be nice. If not, then yet another tool we can use to monitor our servers. Preferably, open source with tons of documentation ;) Can anyone share their experience? Suggest a few tools? Thanks!

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  • Triggering State Changes with Health Counter

    - by Hairgami_Master
    I'm developing a game where the player changes states as their health decreases. Below 50, it should trigger animation1. Below 30, it should trigger animation2. The problem is, I only want to trigger animation1 once. But my game timer is checking every "frame", so it's triggering animation1 every cycle below 50. I only want it to trigger once, then not again until it's gone over 50 and then naturally decreased back to below 50. Are there any tried and true strategies for triggering state changes as a timer counts down (without the over-triggering problem)? I thought I could say: if (health == 50) animation1.play(); but sometimes, health never equals exactly 50, so it will skip right past that statement.

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  • video card performance monitoring?

    - by Dru
    Is there a 'top' like command for monitoring the GPU and memory usage of a video card? I am most interested in Linux commands, but and OS would be interesting. I strongly suspect that for a group of my systems the video cards are being under-utilized (but I have no idea by how much) and would like to re-allocate funds to other bottle-necks. We are using higher end cards, so the price difference between cards is significant. Thank you.

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  • Monitoring MySQL SELECT/WRITE/UPDATE/SLOW queries in Nagios

    - by imaginative
    There's ways to get performance graphs with several monitoring software packages out there such as ZenOSS. There's a plugin available that will graph MySQL based SELECT/WRITE/SLOW queries in a nice rrd style graph. I'm curious if there is a way to also get similar graphs available in Nagios 3.0? I know Nagios has tools like pnp and can integrate rrd, but is there something readily available that can plugin to monitor those MySQL specifics?

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  • Online Windows Server monitoring

    - by Khash
    To check a website's availability there is Pingdom (and many others). I'm looking for a similar service (online/web-based, easy to use with notifications) that monitors servers a bit more in detail. Things like Disk Space, Windows Services running, etc.... I am happy to install an agent on the box to facilitate that, but don't want to run the monitoring server as well.

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  • NFS I/O monitoring

    - by Gordon
    I have a NFS mounted directory, and I'd like to monitor the I/O usage on it (MB/s reads and writes). What's the recommended way to do that ? This is the NFS client, I don't have access to the NFS server. I'm not interested in general I/O usage (otherwise I would use vmstat/iostat). It also has multiple NFS mounts, I'm interested in monitoring just one specific mount (or I might have used ethereal). Thanks!

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  • Simple switch ports state monitoring tool

    - by Florent Courtay
    My users keep unplugging our meeting rooms computers network connection. As i can't check the computers every time a meeting ends, i'd like to find a tool, preferably running on windows, that can monitor some cisco switch ports state, and every time a cable is being unplugged, send me an email. I know that some monitoring solutions can do that already, but i wonder if something simplier (and preferably cheap / free of course !) exists.

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  • Server monitoring?

    - by Jim
    is there a free, open source server monitoring tool like Nagios that runs on the MS stack? It will need to be able to detect service stoppages and starts also.

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  • Tool to organize and arrange various monitoring pages?

    - by PhilAG
    we recently added a MacPro with eight (yes 8) monitors on it. We have various tools for monitoring our website (Chartbeat, Nagios, internal statistics, Jenkins, Smartfox, etc.) and they are currently free-flowing in various browser windows on the various screens. I'd like a better way to organize them into a more fixed system so (a) we can't just accidentally close out of a window (b) some automatically refresh (currently done through browser plugins) etc. Any suggestions?

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  • Looking for network monitoring software for Win7 x64 (similar to the one included with Sunbelt perso

    - by rep_movsd
    I've upgraded from Windows XP to Windows 7 (64bit) and I found that the very convenient Sunbelt Kerio Personal Firewall will not work on this version. I hear the Windows 7 firewall is good enough(even though it never prompts for outbound connections) but Kerio had a nice network monitor feature which showed all applications with inbound and outbound connections and the current speed and bytes transferred for each one. Is there any software out there that can give me similar monitoring as what Kerio does? TCPView is almost as good, but doesnt show transfer statistics.

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  • monitoring services, CPU, memory remotely on a Windows server machine

    - by ToastMan
    I'm looking for a tool that is able to (remotely) monitor CPU and Memory in a Windows server but most importantly, which service/process is using it. Or-- is it possible to monitor a specific running service? We got a server that freezes on regular basis and we're trying to find the culprit without using a local debugger. Would be great if the monitoring software came with an agent that we can install on the remote clients for maximum accuracy. Any suggestions are very much appreciated.

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  • SQL Monitoring Overview

    - by user45237
    Hi I currently loook after 20 odd databases in SQL server 2005 and need a tool for monitoring the performance and keep me informed if a database is running slow. Is there anything I can run within Managment studio of any other good third party tool (Pref free) that can do the job. Thanks

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  • Monitoring HP and Dell hardware in Gentoo.

    - by ewwhite
    I'm working in an environment that features a large number of Gentoo servers running on HP ProLiant and Dell PowerEdge equipment. While I've moved some of these systems to RedHat or CentOS for consistency, I'm still left with a good number of systems that will remain Gentoo. One of the issues I see with the Gentoo arrangement is lack of vendor-supported hardware monitoring. There doesn't seem to be an equivalent to the HP ProLiant Support Pack or Dell's agents for Gentoo. Is this simply something that you give up when using this distribution? How do you monitor hardware health and the like with Gentoo systems?

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  • Protecting melody monitoring with acegi in grails

    - by xain
    Hi, I have a Grails 1.2 app secured with acegi that I'm monitoring with the melody plugin for grails. I need to protect the url so only the "admin" role can access it but I'm having trouble with it - the rest of the acegi rules work just fine. In the BootStrap, I set def secureReqMap = new Requestmap(url: '/monitoring/**', configAttribute:'ROLE_ADMIN').save() Also tried with def secureReqMap = new Requestmap(url: '/monitoring', configAttribute:'ROLE_ADMIN').save() With no luck, it keeps being public. Any hints? Thanks

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  • Linux Server Performance Monitoring

    - by Jon
    I'm looking to monitor performance on my Linux servers (which happen to be Centos). What are the best tools for monitoring things in realtime such as: Disk Performance I/O, swapping etc.. CPU Performance Looking for low level tools, rather than web based tools such as Nagios, Ganglia etc... n.b. I'd like to know exactly what each tool does rather than just having a list of random toolnames if possible please. Why the tool is a better option than others would be good also.

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  • Linux Server Performance Monitoring

    - by Jon
    I'm looking to monitor performance on my Linux servers (which happen to be Centos). What are the best tools for monitoring things in realtime such as: Disk Performance I/O, swapping etc.. CPU Performance Looking for low level tools, rather than web based tools such as Nagios, Ganglia etc... n.b. I'd like to know exactly what each tool does rather than just having a list of random toolnames if possible please. Why the tool is a better option than others would be good also.

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  • Employee Monitoring software

    - by nute
    I am looking for an employee monitoring solution, that would allow us to remotely connect to our computers to see what is happening live, and preferably having some recording capabilities such as snapshots, URLs visited, etc ... I've looked around the web and most softwares I found were from unknown companies, had crappy websites, and made me feel like their either wanted me to install a virus on my computer, or to scam me. Most also seemed to have planted "reviews" online most likely written by themselves. Basically, anyone has experience with a trustworthy company to accomplish that? Thanks

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