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https://issues.apache.org/jira/browse/SOLR-1707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yonik Seeley updated SOLR-1707:
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Attachment: TestPerf.java
Here it is.
To test for size, I cranked up the number of maps to 1M and then put the big
sleep at the end of main, then used jconsole (hit GC a bunch of times in a row
to see how low you can get the heap).
> Use google collections immutable collections instead of
> Collections.unmodifiable**
> ----------------------------------------------------------------------------------
>
> Key: SOLR-1707
> URL: https://issues.apache.org/jira/browse/SOLR-1707
> Project: Solr
> Issue Type: Improvement
> Reporter: Noble Paul
> Assignee: Noble Paul
> Fix For: 1.5
>
> Attachments: SOLR-1707.patch, TestPerf.java
>
>
> google collections offer true immutability and more memory efficiency
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