[infinispan-issues] [JBoss JIRA] (ISPN-4488) Verify performance impact of Lucene 4 and checksumming logic in the Lucene Directory

[Sanne Grinovero (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-4488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sanne Grinovero resolved ISPN-4488.
-----------------------------------
    Resolution: Done


This is done, there doesn't seem to be any measurable impact.

> Verify performance impact of Lucene 4 and checksumming logic in the Lucene Directory
> ------------------------------------------------------------------------------------
>
>                 Key: ISPN-4488
>                 URL: https://issues.jboss.org/browse/ISPN-4488
>             Project: Infinispan
>          Issue Type: Task
>          Components: Lucene Directory
>            Reporter: Sanne Grinovero
>            Assignee: Sanne Grinovero
>             Fix For: 7.0.0.CR2
>
>
> We recently moved to Lucene 4, and also the Lucene Directory is now wrapping output to allow to calculate checksums.
> Before going Final we need to verify the performance impact, QA mentioned a significant regression compared to Lucene v3 w/o checksums.



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