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https://issues.apache.org/jira/browse/SOLR-921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shalin Shekhar Mangar updated SOLR-921:
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Description:
every class that is loaded through SolrResourceLoader does a Class.forName()
and when if it is not found a ClassNotFoundExcepton is thrown
Then , it looks up with the various packages and finds the right class if the
name starts with solr. Considering the fact that we usually use this
solr.<classname> format we pay too much of a price for this. After every lookup
the result can be cached in a static Map<String, String> with short name as
keys and fully qualified name as values and can be shared across all the cores
and this Map can be stored at the CoreContainer level.
was:
every class that is loaded through SolrResourceLoader does a Class.forName()
and when if it is not found a ClassNotFoundExcepton is thrown
Then , it looks up with the various packages and finds the right class if the
name starts with solr. Considering the fact that we usually use this
solr.<classname> format we pay too much of a price for this. After every lookup
the result can be cached in a Map<String,Class> and can be shared across all
the cores and this Map can be stored at the CoreContainer level
> SolrResourceLoader must cache short name vs fully qualified name
> ----------------------------------------------------------------
>
> Key: SOLR-921
> URL: https://issues.apache.org/jira/browse/SOLR-921
> Project: Solr
> Issue Type: Improvement
> Reporter: Noble Paul
> Assignee: Shalin Shekhar Mangar
> Fix For: 1.4
>
> Attachments: SOLR-921.patch, SOLR-921.patch, SOLR-921.patch,
> SOLR-921.patch
>
>
> every class that is loaded through SolrResourceLoader does a Class.forName()
> and when if it is not found a ClassNotFoundExcepton is thrown
> Then , it looks up with the various packages and finds the right class if the
> name starts with solr. Considering the fact that we usually use this
> solr.<classname> format we pay too much of a price for this. After every
> lookup the result can be cached in a static Map<String, String> with short
> name as keys and fully qualified name as values and can be shared across all
> the cores and this Map can be stored at the CoreContainer level.
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