[
https://issues.apache.org/jira/browse/HBASE-11607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14077255#comment-14077255
]
stack commented on HBASE-11607:
-------------------------------
Build hbase. Then do ./bin/start-hbase.sh. Standalone mode. Browse to ui.
Hit the 'metrics dump' along the top: e.g. http://localhost:60124/jmx. You'll
get a JSON dump like this:
{code}
{
"beans" : [ {
"name" : "java.lang:type=Memory",
"modelerType" : "sun.management.MemoryImpl",
"HeapMemoryUsage" : {
"committed" : 259522560,
"init" : 268435456,
"max" : 1013645312,
"used" : 72000344
},
"Verbose" : false,
"ObjectPendingFinalizationCount" : 0,
"NonHeapMemoryUsage" : {
"committed" : 30605312,
"init" : 24313856,
"max" : 136314880,
"used" : 29404288
},
"ObjectName" : "java.lang:type=Memory"
}, {
"name" : "Hadoop:service=HBase,name=MetricsSystem,sub=Control",
"modelerType" : "org.apache.hadoop.metrics2.impl.MetricsSystemImpl"
}, {
"name" : "Hadoop:service=HBase,name=Master,sub=AssignmentManger",
"modelerType" : "Master,sub=AssignmentManger",
"tag.Context" : "master",
"tag.Hostname" : "kalashnikov.local",
"ritOldestAge" : 0,
"ritCount" : 0,
"BulkAssign_num_ops" : 0,
"BulkAssign_min" : 0,
"BulkAssign_max" : 0,
"BulkAssign_mean" : 0.0,
"BulkAssign_median" : 0.0,
"BulkAssign_75th_percentile" : 0.0,
"BulkAssign_95th_percentile" : 0.0,
"BulkAssign_99th_percentile" : 0.0,
"ritCountOverThreshold" : 0,
"Assign_num_ops" : 0,
"Assign_min" : 0,
"Assign_max" : 0,
"Assign_mean" : 0.0,
"Assign_median" : 0.0,
"Assign_75th_percentile" : 0.0,
"Assign_95th_percentile" : 0.0,
"Assign_99th_percentile" : 0.0
}, {
"name" : "Hadoop:service=HBase,name=UgiMetrics",
"modelerType" : "UgiMetrics",
"tag.Context" : "ugi",
"tag.Hostname" : "kalashnikov.local",
"LoginSuccessNumOps" : 0,
"LoginSuccessAvgTime" : 0.0,
"LoginFailureNumOps" : 0,
"LoginFailureAvgTime" : 0.0,
"GetGroupsNumOps" : 0,
"GetGroupsAvgTime" : 0.0
}, {
"name" :
"org.apache.ZooKeeperService:name0=StandaloneServer_port-1,name1=Connections,name2=\"0:0:0:0:0:0:0:1\",name3=0x1477fb88f950000",
"modelerType" : "org.apache.zookeeper.server.ConnectionBean",
"SessionId" : "0x1477fb88f950000",
"MinLatency" : 0,
"AvgLatency" : 0,
"MaxLatency" : 6,
"PacketsReceived" : 81,
"PacketsSent" : 86,
"LastOperation" : "GETC",
"LastCxid" : "0x4e",
"LastZxid" : "0x2f",
"LastResponseTime" : "Mon Jul 28 18:25:19 PDT 2014",
"LastLatency" : 0,
"SourceIP" : "0:0:0:0:0:0:0:1:60123",
"EphemeralNodes" : [ "/hbase/master",
"/hbase/rs/172.16.1.127,60122,1406597108355" ],
"StartedTime" : "Mon Jul 28 18:25:08 PDT 2014",
"OutstandingRequests" : 0,
"SessionTimeout" : 10000
}, {
"name" : "java.lang:type=GarbageCollector,name=ConcurrentMarkSweep",
"modelerType" : "sun.management.GarbageCollectorImpl",
"LastGcInfo" : null,
"CollectionCount" : 0,
"CollectionTime" : 0,
"Name" : "ConcurrentMarkSweep",
"Valid" : true,
"MemoryPoolNames" : [ "Par Eden Space", "Par Survivor Space", "CMS Old
Gen", "CMS Perm Gen" ],
"ObjectName" : "java.lang:type=GarbageCollector,name=ConcurrentMarkSweep"
}, {
"name" :
"org.apache.ZooKeeperService:name0=StandaloneServer_port-1,name1=Connections,name2=127.0.0.1,name3=0x1477fb88f950001",
"modelerType" : "org.apache.zookeeper.server.ConnectionBean",
"SessionId" : "0x1477fb88f950001",
"MinLatency" : 0,
"AvgLatency" : 0,
"MaxLatency" : 1,
"PacketsReceived" : 3,
"PacketsSent" : 3,
"LastOperation" : "PING",
"LastCxid" : "0x1",
"LastZxid" : "0x1e",
"LastResponseTime" : "Mon Jul 28 18:25:18 PDT 2014",
"LastLatency" : 0,
"SourceIP" : "127.0.0.1:60139",
"EphemeralNodes" : [ ],
"StartedTime" : "Mon Jul 28 18:25:14 PDT 2014",
"OutstandingRequests" : 0,
"SessionTimeout" : 10000
}, {
"name" : "java.nio:type=BufferPool,name=mapped",
"modelerType" : "sun.management.ManagementFactoryHelper$1",
"Name" : "mapped",
"Count" : 1,
"TotalCapacity" : 876,
"MemoryUsed" : 876,
"ObjectName" : "java.nio:type=BufferPool,name=mapped"
}, {
"name" : "org.apache.ZooKeeperService:name0=StandaloneServer_port-1",
"modelerType" : "org.apache.zookeeper.server.ZooKeeperServerBean",
"Version" : "3.4.6-1569965, built on 02/20/2014 09:09 GMT",
"StartTime" : "Mon Jul 28 18:25:07 PDT 2014",
"PacketsReceived" : 85,
"PacketsSent" : 90,
"MaxClientCnxnsPerHost" : 300,
"AvgRequestLatency" : 0,
"MaxRequestLatency" : 6,
"MinRequestLatency" : 0,
"TickTime" : 2000,
"ClientPort" : "172.16.1.127:2181",
"OutstandingRequests" : 0,
"MinSessionTimeout" : 4000,
"MaxSessionTimeout" : 40000,
"NumAliveConnections" : 2
}, {
"name" : "java.lang:type=Compilation",
"modelerType" : "sun.management.CompilationImpl",
"Name" : "HotSpot 64-Bit Tiered Compilers",
"CompilationTimeMonitoringSupported" : true,
"TotalCompilationTime" : 2701,
"ObjectName" : "java.lang:type=Compilation"
}, {
"name" : "java.lang:type=MemoryPool,name=Par Eden Space",
"modelerType" : "sun.management.MemoryPoolImpl",
"Name" : "Par Eden Space",
"Type" : "HEAP",
"Valid" : true,
"Usage" : {
"committed" : 71630848,
"init" : 71630848,
"max" : 279642112,
"used" : 62552344
},
"PeakUsage" : {
"committed" : 71630848,
"init" : 71630848,
"max" : 279642112,
"used" : 71630848
},
"MemoryManagerNames" : [ "ConcurrentMarkSweep", "ParNew" ],
"UsageThresholdSupported" : false,
"CollectionUsageThreshold" : 0,
"CollectionUsageThresholdExceeded" : false,
"CollectionUsageThresholdCount" : 0,
"CollectionUsage" : {
"committed" : 71630848,
"init" : 71630848,
"max" : 279642112,
"used" : 0
},
"CollectionUsageThresholdSupported" : true,
"ObjectName" : "java.lang:type=MemoryPool,name=Par Eden Space"
}, {
"name" : "java.lang:type=MemoryPool,name=CMS Perm Gen",
"modelerType" : "sun.management.MemoryPoolImpl",
"Name" : "CMS Perm Gen",
"Type" : "NON_HEAP",
"Valid" : true,
"Usage" : {
"committed" : 28049408,
"init" : 21757952,
"max" : 85983232,
"used" : 27921112
},
"PeakUsage" : {
"committed" : 28049408,
"init" : 21757952,
"max" : 85983232,
"used" : 27921112
},
"MemoryManagerNames" : [ "ConcurrentMarkSweep" ],
"UsageThreshold" : 0,
"UsageThresholdExceeded" : false,
"UsageThresholdCount" : 0,
"UsageThresholdSupported" : true,
"CollectionUsageThreshold" : 0,
"CollectionUsageThresholdExceeded" : false,
"CollectionUsageThresholdCount" : 0,
"CollectionUsage" : {
"committed" : 0,
"init" : 21757952,
"max" : 85983232,
"used" : 0
},
"CollectionUsageThresholdSupported" : true,
"ObjectName" : "java.lang:type=MemoryPool,name=CMS Perm Gen"
}, {
"name" : "java.lang:type=OperatingSystem",
"modelerType" : "com.sun.management.UnixOperatingSystem",
"OpenFileDescriptorCount" : 210,
"MaxFileDescriptorCount" : 10240,
"CommittedVirtualMemorySize" : 4009152512,
"TotalSwapSpaceSize" : 2147483648,
"FreeSwapSpaceSize" : 703332352,
"ProcessCpuTime" : 6253416000,
"FreePhysicalMemorySize" : 3207057408,
"TotalPhysicalMemorySize" : 17179869184,
"SystemCpuLoad" : 0.0,
"ProcessCpuLoad" : 0.0,
"Name" : "Mac OS X",
"Version" : "10.9",
"AvailableProcessors" : 8,
"Arch" : "x86_64",
"SystemLoadAverage" : 2.91552734375,
"ObjectName" : "java.lang:type=OperatingSystem"
}, {
"name" : "Hadoop:service=HBase,name=Master,sub=Balancer",
"modelerType" : "Master,sub=Balancer",
"tag.Context" : "master",
"tag.Hostname" : "kalashnikov.local",
"BalancerCluster_num_ops" : 0,
"BalancerCluster_min" : 0,
"BalancerCluster_max" : 0,
"BalancerCluster_mean" : 0.0,
"BalancerCluster_median" : 0.0,
"BalancerCluster_75th_percentile" : 0.0,
"BalancerCluster_95th_percentile" : 0.0,
"BalancerCluster_99th_percentile" : 0.0,
"miscInvocationCount" : 0
}, {
"name" : "java.lang:type=MemoryPool,name=Par Survivor Space",
"modelerType" : "sun.management.MemoryPoolImpl",
"Name" : "Par Survivor Space",
"Type" : "HEAP",
"Valid" : true,
"Usage" : {
"committed" : 8912896,
"init" : 8912896,
"max" : 34930688,
"used" : 5643560
},
"PeakUsage" : {
"committed" : 8912896,
"init" : 8912896,
"max" : 34930688,
"used" : 8688912
},
"MemoryManagerNames" : [ "ConcurrentMarkSweep", "ParNew" ],
"UsageThresholdSupported" : false,
"CollectionUsageThreshold" : 0,
"CollectionUsageThresholdExceeded" : false,
"CollectionUsageThresholdCount" : 0,
"CollectionUsage" : {
"committed" : 8912896,
"init" : 8912896,
"max" : 34930688,
"used" : 5643560
},
"CollectionUsageThresholdSupported" : true,
"ObjectName" : "java.lang:type=MemoryPool,name=Par Survivor Space"
}, {
"name" : "java.lang:type=MemoryManager,name=CodeCacheManager",
"modelerType" : "sun.management.MemoryManagerImpl",
"Name" : "CodeCacheManager",
"Valid" : true,
"MemoryPoolNames" : [ "Code Cache" ],
"ObjectName" : "java.lang:type=MemoryManager,name=CodeCacheManager"
}, {
"name" : "java.lang:type=MemoryPool,name=CMS Old Gen",
"modelerType" : "sun.management.MemoryPoolImpl",
"Name" : "CMS Old Gen",
"Type" : "HEAP",
"Valid" : true,
"Usage" : {
"committed" : 178978816,
"init" : 178978816,
"max" : 699072512,
"used" : 4048176
},
"PeakUsage" : {
"committed" : 178978816,
"init" : 178978816,
"max" : 699072512,
"used" : 4048176
},
"MemoryManagerNames" : [ "ConcurrentMarkSweep" ],
"UsageThreshold" : 0,
"UsageThresholdExceeded" : false,
"UsageThresholdCount" : 0,
"UsageThresholdSupported" : true,
"CollectionUsageThreshold" : 0,
"CollectionUsageThresholdExceeded" : false,
"CollectionUsageThresholdCount" : 0,
"CollectionUsage" : {
"committed" : 0,
"init" : 178978816,
"max" : 699072512,
"used" : 0
},
"CollectionUsageThresholdSupported" : true,
"ObjectName" : "java.lang:type=MemoryPool,name=CMS Old Gen"
}, {
"name" : "java.lang:type=MemoryPool,name=Code Cache",
"modelerType" : "sun.management.MemoryPoolImpl",
"Name" : "Code Cache",
"Type" : "NON_HEAP",
"Valid" : true,
"Usage" : {
"committed" : 2555904,
"init" : 2555904,
"max" : 50331648,
"used" : 1505728
},
"PeakUsage" : {
"committed" : 2555904,
"init" : 2555904,
"max" : 50331648,
"used" : 1646720
},
"MemoryManagerNames" : [ "CodeCacheManager" ],
"UsageThreshold" : 0,
"UsageThresholdExceeded" : false,
"UsageThresholdCount" : 0,
"UsageThresholdSupported" : true,
"CollectionUsage" : null,
"CollectionUsageThresholdSupported" : false,
"ObjectName" : "java.lang:type=MemoryPool,name=Code Cache"
}, {
"name" : "Hadoop:service=HBase,name=JvmMetrics",
"modelerType" : "JvmMetrics",
"tag.Context" : "jvm",
"tag.ProcessName" : "IPC",
"tag.SessionId" : "",
"tag.Hostname" : "kalashnikov.local",
"MemNonHeapUsedM" : 28.078056,
"MemNonHeapCommittedM" : 29.1875,
"MemNonHeapMaxM" : 130.0,
"MemHeapUsedM" : 69.013565,
"MemHeapCommittedM" : 247.5,
"MemHeapMaxM" : 966.6875,
"MemMaxM" : 966.6875,
"GcCountParNew" : 3,
"GcTimeMillisParNew" : 40,
"GcCountConcurrentMarkSweep" : 0,
"GcTimeMillisConcurrentMarkSweep" : 0,
"GcCount" : 3,
"GcTimeMillis" : 40,
"ThreadsNew" : 0,
"ThreadsRunnable" : 20,
"ThreadsBlocked" : 0,
"ThreadsWaiting" : 53,
"ThreadsTimedWaiting" : 16,
"ThreadsTerminated" : 0,
"LogFatal" : 0,
"LogError" : 0,
"LogWarn" : 0,
"LogInfo" : 0
}, {
"name" : "java.lang:type=Runtime",
"modelerType" : "sun.management.RuntimeImpl",
"Name" : "[email protected]",
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}, {
"key" : "CMS Old Gen",
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}, {
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"tag.zookeeperQuorum" : "localhost:2181",
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}, {
"name" : "HeapDumpOnOutOfMemoryError",
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}, {
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}, {
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}, {
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"tag.Hostname" : "kalashnikov.local",
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"sentBytes" : 0,
"receivedBytes" : 0
}, {
"name" : "JMImplementation:type=MBeanServerDelegate",
"modelerType" : "javax.management.MBeanServerDelegate",
"MBeanServerId" : "kalashnikov.local_1406597107620",
"SpecificationName" : "Java Management Extensions",
"SpecificationVersion" : "1.4",
"SpecificationVendor" : "Oracle Corporation",
"ImplementationName" : "JMX",
"ImplementationVersion" : "1.7.0_51-b13",
"ImplementationVendor" : "Oracle Corporation"
} ]
}
{code}
This is just the JMX beans as JSON. Its fine only it is missing the
'descriptions' that say what each metric is. Thinking on it, maybe we should
add a metrics dump that includes the description?
To see the descriptions, they are published only to jmx. You can view jmx
content by browsing the 'mbeans', the java bean-based 'view's jmx publishes, in
lots of tools but in java there are two tools that will let you view the jmx
content: jconsole and jvisualvm which is jconsole w/ more stuff in it.
Run this on command line: jvisualvm. When it comes up you'll see list of your
java processes. See 'local' set. Click the hbase looking one. Right hand
side panel gets filled out w/ fancy stuff w/ tabs along top. See the tab
'MBeans' (for management beans -- jmx is java management beans).... You'll see
'Hadoop' mentioned in the lefthand panel now. Navigate down through HBase, a
subbean, then to the server beans. See 'attributes'. The 'metadata' has
descriptions of each jmx attribute. Not pretty but these descriptions are
written into hbase code beside their implementation... which is good.. .the
display is bad.
Would be good if could point folks at how to find this stuff and/or maybe we
should make it so we list out in UI the descriptions beside metric?
> Document HBase metrics
> ----------------------
>
> Key: HBASE-11607
> URL: https://issues.apache.org/jira/browse/HBASE-11607
> Project: HBase
> Issue Type: Sub-task
> Components: documentation, metrics
> Reporter: Misty Stanley-Jones
> Assignee: Misty Stanley-Jones
> Fix For: 0.94.1, 0.95.0
>
>
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