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Hawkeye

What is Hawkeye?. A monitoring and management tool for distributed systemsThat's great, but...What does that mean?What can Hawkeye do for me?. What is does that mean?. Hawkeye is a tool that can be used to monitor various aspects of your computersExamples:System load monitoringWatching for run

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Hawkeye

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    1. Hawkeye

    2. What is Hawkeye? A monitoring and management tool for distributed systems That's great, but... What does that mean? What can Hawkeye do for me?

    3. What is does that mean? Hawkeye is a tool that can be used to monitor various aspects of your computers Examples: System load monitoring Watching for run-away processes Monitoring the health of your Condor pool

    4. What can Hawkeye do? Hawkeye can alert you when things go wrong. For example, Hawkeye can: Alert you when virtually any condition is found Alert you when various Condor problems are identified Allow you to specify your own custom alerts

    5. Why Hawkeye? Make system administration easier Make Condor pool maintenance easier

    6. Hawkeye Architecture

    7. Hawkeye Matchmaking Hawkeye alerts are done using ClassAd matchmaking.

    8. Hawkeye ClassAds Hawkeye uses ClassAds to represent collected data Schema-free data representation Provides matching mechanism Represent whatever data you gather in a way that works best for you

    9. Hawkeye ClassAds Example ClassAd “snippet”: RAM_MemFree = 841932800 RAM_MemShared = 0 RAM_MemTotal = 1055367168 RAM_SwapCached = 0 RAM_SwapFree = 2147483647 RAM_SwapTotal = 2147483647

    10. Hawkeye ClassAds Example ClassAd “snippet” #2: Condor_NumExecs = 2 Condor_NumMasters = 1 Condor_NumRunaway = 2 Condor_NumSchedds = 0 Condor_NumShadows = 0 Condor_NumStartds = 1 Condor_NumStarters = 2 Condor_RunawayPids = "3214,8753”

    11. Sample Alert Trigger [ AlertTrigger = ( MyType == "Pool" && Absent.count > 5 ); AlertSeverity = ( Absent.count > 5 ) ? 1 : 0; Name = "Absent Nodes"; AlertText = StrCat(Absent.count, " machines are missing in ", Name) ]

    12. Hawkeye at UW Currently at UW, we're using Hawkeye: To monitor our Condor cluster To aid in detecting and correcting cluster problems To monitor the US/CMS testbed health

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    16. Customizing Hawkeye Hawkeye allows you to run your own custom “modules” to gather data. Hawkeye allows you in set your own custom “alerts”, on attributes generated by “standard” and “custom” modules.

    17. What is the status of Hawkeye? Hawkeye 1.0 Release Candidate 1 (RC1) Current module library includes modules to monitor system load, users, disk space, Condor, and more Available from http://cs.wisc.edu/condor/hawkeye

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