[infinispan-issues] [JBoss JIRA] Updated: (ISPN-567) Avoid readlocks on small Lucene segments

[Sanne Grinovero (JIRA)]

     [ https://jira.jboss.org/browse/ISPN-567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sanne Grinovero updated ISPN-567:
---------------------------------

    Affects Version/s:     (was: 4.0.0.Final)


issue was not in 4.0.0.Final as the readlocks (which are needed per se) where added later.

> Avoid readlocks on small Lucene segments
> ----------------------------------------
>
>                 Key: ISPN-567
>                 URL: https://jira.jboss.org/browse/ISPN-567
>             Project: Infinispan
>          Issue Type: Task
>          Components: Lucene Directory
>    Affects Versions: 4.1.0.CR2
>            Reporter: Sanne Grinovero
>            Assignee: Sanne Grinovero
>             Fix For: 4.1.0.CR3, 4.1.0.Final
>
>
> The readlocks to prevent segments chunks from being deleted are not required when the segment is stored in a single chunk.
> As most Lucene segments are small enough and the readlock requires multiple sync operations it would be a great performance boost to avoid using readlocks on the single-chunk segments.

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