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https://issues.apache.org/jira/browse/SOLR-9273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15364879#comment-15364879
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Scott Blum commented on SOLR-9273:
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Yeah, that's why I'm saying map name + version => content hash to avoid
re-fetching from ZK as an initial de-dup. Then map content hash -> live
objects as a second layer de-dup. That way, even if you have differently named
configs with the same content, they can share. Or if you have a no-op change
to a configset, or perhaps even you change a configset and then revert the
change prior to reloading a core.
> Share and reuse config set in a node
> ------------------------------------
>
> Key: SOLR-9273
> URL: https://issues.apache.org/jira/browse/SOLR-9273
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: config-api, Schema and Analysis, SolrCloud
> Reporter: Shalin Shekhar Mangar
> Fix For: 6.2, master (7.0)
>
>
> Currently, each core in a node ends up creating a completely new instance of
> ConfigSet with its own schema, solrconfig and other properties. This is
> wasteful when you have a lot of replicas in the same node with many of them
> referring to the same config set in Zookeeper.
> There are many issues that need to be addressed for this to work so this is a
> parent issue to track the work.
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