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https://issues.apache.org/jira/browse/KAFKA-826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619475#comment-13619475
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Otis Gospodnetic commented on KAFKA-826:
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Ah, what timing! Metrics 3.0.0 BETA1 has just been pushed to Maven Central
with goodies:
Coda Hale <[email protected]> Apr 01 02:02PM -0700
Metrics 3.0.0-BETA1 is on its way to Maven Central! It includes the following
changes:
• Total overhaul of most of the core Metrics classes:
• Metric names are now just dotted paths like com.example.Thing, allowing for
very flexible scopes, etc.
• Meters and timers no longer have rate or duration units; those are properties
of reporters.
• Reporter architecture has been radically simplified, fixing many bugs.
• Histograms and timers can take arbitrary reservoir implementations.
• Added sliding window reservoir implementations.
• Added MetricSet for sets of metrics.
• Changed package names to be OSGi-compatible and added OSGi bundling.
• Extracted JVM instrumentation to metrics-jvm.
• Extracted Jackson integration to metrics-json.
• Removed metrics-guice, metrics-scala, and metrics-spring.
• Renamed metrics-servlet to metrics-servlets.
• Renamed metrics-web to metrics-servlet.
• Renamed metrics-jetty to metrics-jetty8.
• Many more small changes!
Wouldn't it make sense to invest the effort into moving to 3.0.0 instead now?
Otherwise, if the gap between 0.8 and post-0.8 release is as big as the gap
between 0.7.2 and 0.8 it will be a while before moving to this new metrics
package.
> Make Kafka 0.8 depend on metrics 2.2.0 instead of 3.x
> -----------------------------------------------------
>
> Key: KAFKA-826
> URL: https://issues.apache.org/jira/browse/KAFKA-826
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8
> Reporter: Neha Narkhede
> Assignee: Jun Rao
> Priority: Blocker
> Labels: build, kafka-0.8, metrics
> Attachments: kafka-fix-for-826.patch, kafka-fix-for-826-take2.patch
>
>
> In order to mavenize Kafka 0.8, we have to depend on metrics 2.2.0 since
> metrics 3.x is a huge change as well as not an officially supported release.
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