[infinispan-issues] [JBoss JIRA] Updated: (ISPN-523) reduce Lucene Directory memory usage: store only initialized buffer ranges

[Galder Zamarreno (JIRA)]

     [ https://jira.jboss.org/browse/ISPN-523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Galder Zamarreno updated ISPN-523:
----------------------------------

    Fix Version/s: 4.1.0.CR2
                       (was: 4.1.0.CR1)


> reduce Lucene Directory memory usage: store only initialized buffer ranges
> --------------------------------------------------------------------------
>
>                 Key: ISPN-523
>                 URL: https://jira.jboss.org/browse/ISPN-523
>             Project: Infinispan
>          Issue Type: Task
>          Components: Lucene Directory
>            Reporter: Sanne Grinovero
>            Assignee: Sanne Grinovero
>             Fix For: 4.1.0.CR2, 5.0.0.BETA1
>
>
> All buffers created prior to writing a new file chunk are initialized at bufferSize and then stored as-is (as the full buffer);
> In most cases the memory penalty due to unused areas is not noticeable as biggest files are split in several chunks, but the many smallest files containing metadata only are wasting more memory, as only a couple of bytes are used in each.

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