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1、OSCONReal-timeMonitoringwithRiemannPatriciaGorla@patriciagorlaCassandraConsultantwww.thelastpickle.comAboutUs?WorkwithclientstodeliverandimproveApacheCassandraservices?ApacheCassandracommitter,DatastaxMVP,Hectormaintainer,ApacheUsergridcommitter?BasedinNewZealand
2、&USAOverviewSettingupRiemannSimpleMonitoringAggregateMonitoringMonitoringaclusterdatabaseCompactionsPending!DataSize!Read/WriteRequests!Read/WriteLatency!CFSSTableSizedatabaseCompactionsPending!DataSize!Read/WriteRequests!Read/WriteLatency!CFSSTableSizenetworking
3、Read/WriteRequestTimeouts!DroppedMessages!HintsStoreddatabaseCompactionsPending!DataSize!Read/WriteRequests!Read/WriteLatency!CFSSTableSizenetworkingRead/WriteRequestTimeouts!DroppedMessages!HintsStoredCMSCollectionTime!JVMParNewCollectionTimeorg.apache.cassandra
4、.metrics?Codahalemetricslibrary?rstintroducedinCASSANDRA-3671(vConnection1.1)CompactionCommitLog?PluggablereportersintroducedinCASSANDRA-4430(v2.0.2)DroppedMessagesCache?CompletedescriptioninApachedocumentationClientRequestStorageRiemann?Real-timecopyrightKyleKin
5、gsbury,usedwithpermissionRiemann?Real-time?Streamsaresuccessionsof?lterscopyrightKyleKingsbury,usedwithpermissionRiemann?Real-time?Streamsaresuccessionsof?lters?ExpressiveprogramminglanguagecopyrightKyleKingsbury,usedwithpermissionMonitoringEcosystemDownloadpacka
6、gefromriemann.io/etc/riemann/riemann.con?gModi?edversionofhttps://github.com/addthis/metrics-reporter-con?gSpecifythemetricstosendfromCassandracassandra-env.shStartingCassandraINFO[2014-07-1521:44:50,712]pool-1-thread-1-riemann.config-averageevent#riemann.codec.E
7、vent{:hostx.x.x.x,:serviceorg.apache.cassandra.metricsClientRequestWriteLatency.95,:state“ok”,:descriptionnil,:metric19514.037499999988,:tagsnil,:time1405482287,:ttlnil}INFO[2014-07-1521:44:50,712]pool-1-thread-1-riemann.config-averageevent#riemann.codec.Event{:h
8、ostx.x.x.x,:serviceorg.apache.cassandra.metricsClientRequestWriteLatency.95,:state“ok”,:descriptionnil,:metric19514.037499999988,:tagsnil,:time1405482287,:ttln
