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https://issues.apache.org/jira/browse/LUCENE-10129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler resolved LUCENE-10129.
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Fix Version/s: main (9.0)
Assignee: Uwe Schindler
Resolution: Fixed
> Add RamUsageEstimator shallowSizeOf(long[]) overload that just calls
> sizeOf(long[])?
> ------------------------------------------------------------------------------------
>
> Key: LUCENE-10129
> URL: https://issues.apache.org/jira/browse/LUCENE-10129
> Project: Lucene - Core
> Issue Type: Task
> Reporter: Robert Muir
> Assignee: Uwe Schindler
> Priority: Major
> Fix For: main (9.0)
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> See LUCENE-10128 for an example. The problem is there is only a
> {{sizeOf(long[])}}, so if the programmer uses {{shallowSizeOf}} instead of
> {{sizeOf}} then it falls back to {{shallowSizeOf(Object)}} which does a bunch
> of reflection.
> This is pretty crazy because it can create performance traps. Should we just
> add a {{shallowSizeOf(long[])}} that calls {{sizeOf(long[])}}, so that things
> are fast? (same for other primitive arrays). It would solve the problem
> easily I think.
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