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https://issues.apache.org/jira/browse/LUCENE-5757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-5757:
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    Attachment: LUCENE-5757.patch

Here's a committable patch. I removed the forbidden "rue" stuff (as its only 
now accessible by tests), and removed the toString() stuff in MemoryIndex (this 
was a real performance trap, and this is a one-document index...). If for some 
strange reason someone needs this info on a 1-document index, they can get it 
from https://github.com/dweiss/java-sizeof or similar.

Once we do this, we can look at adding features to RamUsageTester so we can 
better test with it.

> Move RAMUsageEstimator "reflector" to test-framework
> ----------------------------------------------------
>
>                 Key: LUCENE-5757
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5757
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>         Attachments: LUCENE-5757.patch, LUCENE-5757.patch
>
>
> This method is "banned" already because it can crawl slowly across large 
> object graphs. 
> I think it should be in the test framework. It needs enhancements for testing 
> such as some way to filter what is crawled.
> Currently lots of code in lucene tries to provide accounting information but 
> its all totally untested. We need to fix the test situation or remove 
> Accountable and such methods completely.



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