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https://issues.apache.org/jira/browse/ZOOKEEPER-4398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17570412#comment-17570412
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Scott Kidder commented on ZOOKEEPER-4398:
-----------------------------------------
I encountered this same issue and would love to have it addressed in Zookeeper
(currently relying on a Telegraf sidecar to produce namespaced metrics). This
should be easy to address with:
# An additional configuration property for the metric prefix
# Applying the prefix to each key when the prefix is non-empty
I'd like to take this one on!
> Namespace zookeeper prometheus metrics
> --------------------------------------
>
> Key: ZOOKEEPER-4398
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4398
> Project: ZooKeeper
> Issue Type: Improvement
> Components: metric system, server
> Reporter: Daniel Kimsey
> Priority: Minor
>
> Thank you for adding Prometheus metrics, it's been very helpful in improving
> the observability of our infrastructure. However we are struggling a bit with
> them as is due to the way Zookeeper names it's metrics.
> The current Prometheus metrics exposed by Zookeeper are not namespaced (ie
> prefixed) to be zookeeper specific. This makes identifying/exploring the
> metrics in Prometheus challenging. The Prometheus documentation has the
> following suggestion regarding metric naming:
> {quote}
> ...should have a (single-word) application prefix relevant to the domain the
> metric belongs to. The prefix is sometimes referred to as namespace by client
> libraries. For metrics specific to an application, the prefix is usually the
> application name itself. Sometimes, however, metrics are more generic, like
> standardized metrics exported by client libraries. Examples:
> prometheus_notifications_total (specific to the Prometheus server)
> process_cpu_seconds_total (exported by many client libraries)
> http_request_duration_seconds (for all HTTP requests)
> {quote}
> There are a great number of metrics that are specific not to the JVM but to
> Zookeeper's technology, it would be awesome if those could be prefixed in
> some capacity. Perhaps simply `zk_`. It would make it more clear which of the
> metrics are related to Zookeeper the application.
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