[ 
https://issues.apache.org/jira/browse/HBASE-18060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16024079#comment-16024079
 ] 

Hudson commented on HBASE-18060:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-1.4 #747 (See 
[https://builds.apache.org/job/HBase-1.4/747/])
HBASE-18060 Backport to branch-1 HBASE-9774 HBase native metrics and (apurtell: 
rev a3c3f1012d0eae531c8f38ac5c7e7b81402d8a84)
* (add) hbase-metrics-api/pom.xml
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheStats.java
* (add) 
hbase-metrics/src/test/java/org/apache/hadoop/hbase/metrics/impl/TestGauge.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/MetricRegistryImpl.java
* (edit) hbase-server/pom.xml
* (edit) hbase-assembly/pom.xml
* (edit) 
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerSourceImpl.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/HistogramImpl.java
* (add) hbase-common/src/main/java/org/apache/hadoop/hbase/util/LongAdder.java
* (edit) 
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
* (add) 
hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/metrics/impl/TestGlobalMetricRegistriesAdapter.java
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/AgeSnapshot.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/MetricRegistriesLoader.java
* (add) 
hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorMetrics.java
* (edit) 
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/metrics/BaseSourceImpl.java
* (add) 
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/metrics/impl/GlobalMetricRegistriesAdapter.java
* (add) 
hbase-metrics-api/src/test/java/org/apache/hadoop/hbase/metrics/TestMetricRegistriesLoader.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/FastLongHistogram.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/MetricRegistriesImpl.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/Meter.java
* (edit) 
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/metrics2/lib/DefaultMetricsSystemHelper.java
* (edit) 
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/metrics2/lib/MutableRangeHistogram.java
* (delete) 
hbase-common/src/main/java/org/apache/hadoop/hbase/util/FastLongHistogram.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/MetricRegistryFactory.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/CounterImpl.java
* (add) 
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/metrics/impl/HBaseMetrics2HadoopMetricsAdapter.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/MetricSet.java
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.java
* (add) 
hbase-metrics/src/test/java/org/apache/hadoop/hbase/metrics/impl/TestCounterImpl.java
* (add) hbase-metrics-api/README.txt
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.java
* (add) hbase-metrics/pom.xml
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServer.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/package-info.java
* (add) 
hbase-examples/src/main/java/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.java
* (edit) 
hbase-server/src/test/java/org/apache/hadoop/hbase/security/token/TestTokenAuthentication.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/DropwizardMeter.java
* (edit) hbase-hadoop-compat/pom.xml
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
* (add) 
hbase-metrics/src/test/java/org/apache/hadoop/hbase/metrics/impl/TestHistogramImpl.java
* (add) hbase-common/src/main/java/org/apache/hadoop/hbase/util/Striped64.java
* (edit) hbase-hadoop2-compat/pom.xml
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.java
* (edit) 
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/metrics/BaseSource.java
* (delete) 
hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestFastLongHistogram.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/MetricRegistry.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/Histogram.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/MetricRegistryFactoryImpl.java
* (add) 
hbase-metrics/src/main/resources/META-INF/services/org.apache.hadoop.hbase.metrics.MetricRegistries
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/RegionServerCoprocessorEnvironment.java
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/WALCoprocessorEnvironment.java
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterCoprocessorHost.java
* (edit) 
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
* (edit) 
hbase-server/src/test/java/org/apache/hadoop/hbase/MiniHBaseCluster.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/MetricRegistryInfo.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/TimerImpl.java
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALCoprocessorHost.java
* (add) 
hbase-metrics/src/test/java/org/apache/hadoop/hbase/metrics/impl/TestMetricRegistryImpl.java
* (add) 
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MetricsCoprocessor.java
* (add) 
hbase-examples/src/main/java/org/apache/hadoop/hbase/coprocessor/example/ExampleMasterObserverWithMetrics.java
* (edit) hbase-resource-bundle/src/main/resources/supplemental-models.xml
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.java
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/Gauge.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/Timer.java
* (add) 
hbase-metrics/src/test/java/org/apache/hadoop/hbase/metrics/impl/TestRefCountingMap.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/Counter.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/Metric.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/Snapshot.java
* (add) 
hbase-metrics/src/test/java/org/apache/hadoop/hbase/metrics/impl/TestTimerImpl.java
* (add) hbase-metrics/README.txt
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/MetricRegistries.java
* (edit) 
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/metrics2/lib/MutableHistogram.java
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionServerCoprocessorHost.java
* (add) 
hbase-metrics/src/test/java/org/apache/hadoop/hbase/metrics/impl/TestDropwizardMeter.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/package-info.java
* (edit) pom.xml
* (add) 
hbase-metrics/src/test/java/org/apache/hadoop/hbase/metrics/impl/TestFastLongHistogram.java
* (add) 
hbase-metrics-api/src/main/java/org/apache/hadoop/hbase/metrics/PackageMarker.java
* (add) 
hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/RefCountingMap.java


> Backport to branch-1 HBASE-9774 HBase native metrics and metric collection 
> for coprocessors
> -------------------------------------------------------------------------------------------
>
>                 Key: HBASE-18060
>                 URL: https://issues.apache.org/jira/browse/HBASE-18060
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Vincent Poon
>            Assignee: Vincent Poon
>             Fix For: 1.4.0
>
>         Attachments: HBASE-18060.branch-1.3.v1.patch, 
> HBASE-18060.branch-1.3.v2.patch, HBASE-18060.branch-1.3.v3.patch, 
> HBASE-18060.branch-1.3.v4.patch, HBASE-18060.branch-1.3.v5.patch, 
> HBASE-18060.branch-1.v1.patch, HBASE-18060.branch-1.v2.patch, 
> HBASE-18060.branch-1.v3.patch, HBASE-18060.branch-1.v4.patch, 
> HBASE-18060.branch-1.v5.patch, HBASE-18060.branch-1.v6.patch
>
>
> I'd like to explore backporting HBASE-9774 to branch-1, as the ability for 
> coprocessors to report custom metrics through HBase is useful for us, and if 
> we have coprocessors use the native API, a re-write won't be necessary after 
> an upgrade to 2.0.
> The main issues I see so far are:
> - the usage of Java 8 language features.  Seems we can work around this as 
> most of it is syntactic sugar.  Will need to find a backport for LongAdder
> - dropwizard 3.1.2 in Master.  branch-1 is still on yammer metrics 2.2.  Not 
> sure if these can coexist just for this feature



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