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https://issues.apache.org/jira/browse/SOLR-16773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17717047#comment-17717047
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Jan Høydahl commented on SOLR-16773:
------------------------------------
This is the line that fails to construct the core metric key to pull metrics:
[https://github.com/apache/solr/blob/a557776ba196d5adb7cd689a6ceffa9084440407/solr/webapp/web/js/angular/controllers/cloud.js#L436]
{code:javascript}
var coreMetricName = "solr.core." +
core['core'].replace(/(.*?)_(shard(\d+_?)+)_(replica.*?)/, '\$1.\$2.\$4');{code}
> UI: Cloud>NOdes screen can't display disk usage from replicas using
> non-standard core names (ie: implicit router)
> -----------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-16773
> URL: https://issues.apache.org/jira/browse/SOLR-16773
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Chris M. Hostetter
> Priority: Major
> Attachments: implict_router_ui_metrics_bug.png
>
>
> Consider the following cluster w/three collections (including the
> {{gettingstarted}} collection created by the example)...
> {noformat}
> ./solr/packaging/build/dev/bin/solr -e cloud -noprompt
> curl -sS
> 'http://localhost:8983/solr/admin/collections?action=CREATE&name=named_shards&router.name=compositeId&numShards=2&shards=shardX,shardY'
> curl -sS
> 'http://localhost:8983/solr/admin/collections?action=CREATE&name=implicit_named_shards&router.name=implicit&shards=shardA,shardB'{noformat}
>
> If you look at the Cloud>Nodes screen for this cluster, the "Disk Usage" (and
> other metrics) for the cores from the {{implicit_named_shards}} collection
> wound show up. (see screenshot)
>
> The problem is that {{cloud.js}} expects core names to follow a very specific
> format, but implicit router names it's cores directly after the shard names
> specified.
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