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https://issues.apache.org/jira/browse/SOLR-7458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14523102#comment-14523102
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Mark Miller commented on SOLR-7458:
-----------------------------------
This looks like a good approach.
bq. localhost = System.getProperty("solr.host", "localhost");
This looks off to me. For one, I'm wary of using 'localhost' vs 127.0.0.1. Are
we sure that is the right approach?
Also, 'solr.host' is not any kind of official system property. There is a host
property in solr.xml.
bq. private final Map<HdfsDirectory,Map<FileStatus,BlockLocation[]>> cache
This cache needs to be thread safe.
> Expose HDFS Block Locality Metrics
> ----------------------------------
>
> Key: SOLR-7458
> URL: https://issues.apache.org/jira/browse/SOLR-7458
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Reporter: Mike Drob
> Assignee: Mark Miller
> Labels: metrics
> Attachments: SOLR-7458.patch, SOLR-7458.patch
>
>
> We should publish block locality metrics when using HDFS.
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