Aptira presents   OpenStack swift architecture and monitoring
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Aptira presents OpenStack swift architecture and monitoring

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    Aptira presents   OpenStack swift architecture and monitoring Aptira presents OpenStack swift architecture and monitoring Presentation Transcript

    • AptiraOpenStack Architecture and Monitoring Indian Openstack users group 5th May 2012
    • Agenda ● Explain OpenStack Swift Architecture ● Look at key components to be monitored ● Look at various options available that work today
    • OpenStack Architecture
    • Swift Components• Proxy Server• The Ring• The Object Server/Storage nodes• Account Server• Replication• Updaters and Auditors
    • What to monitor?● Hardware failure● Operating System failure● Swift Cluster health● Swift Cluster telemetry
    • Hardware Failure and Operating Systems● Hard drive failure detection in Swift  Use swift-drive-auditOther Common metrics like• • CPU usage • RAM usage • Network usage etc.
    • OpenStack Swift Cluster health monitoring● Use swift-dispersion-report tool  Based on config file /etc/swift/dispersion.conf
    • Cluster Telemetry and Monitoring● swift-recon middlewareThe Swift Recon middleware can provide general machine stats(load average, socket stats, /proc/meminfo contents, etc.) aswell as Swift-specific metrics:  The MD5 sum of each ring file.  The most recent object replication time.  Count of each type of quarantined file: account, container, or object.  Count of “async_pendings” (deferred container updates) on disk.
    • Swift-ReconConfig section to be added in object-server.confFollowing information available
    • What works today?● A lot of development going on around OpenStack in the community. Existing enterprise grade systems have written modules for OpenStack● Nagios● Zenoss
    • What works today?● Nagios Exchange Addon check_swift – http://exchange.nagios.org/directory/Plugins/Clustering-and-High- 2DAvailability/check_swift/details● The components – check_swift : tries to upload, download and delete a file in a Swift container to check that it works correctly – check_swift_dispersion: uses swift-dispersion tools to report dispersion analysis and checks that all copies of objects are OK – check_swift_object_servers : uses swift-recon to query all clusters servers and ensure they all have the same copy of the object ring.● Compatible with Nagios 3.x
    • What works today?● Zenoss Zen Pack Open Stack Swift – https://github.com/zenoss/ZenPacks.zenoss.OpenStackSwift● All of the monitoring currently performance is done through the optional swift-recon API endpoint that can be enabled on all of your Swift object servers. Before using this ZenPack you must install and configure swift-recon on your Swift object servers.● Compatible with versions 3.2 to 4.0
    • Questions?The End