[hibernate-issues] [Hibernate-JIRA] Updated: (HSEARCH-754) Add configuration options to control maximum size of segments

[Sanne Grinovero (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sanne Grinovero updated HSEARCH-754:
------------------------------------

    Fix Version/s:     (was: 4.0)
                   4.0.0.Alpha1

> Add configuration options to control maximum size of segments
> -------------------------------------------------------------
>
>                 Key: HSEARCH-754
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-754
>             Project: Hibernate Search
>          Issue Type: New Feature
>          Components: documentation, engine, optimizer
>            Reporter: Sanne Grinovero
>            Assignee: Sanne Grinovero
>             Fix For: 4.0.0.Alpha1
>
>
> org.apache.lucene.index.LogByteSizeMergePolicy exposes configuration settings which are currently not selectable in Hibernate Search:
>  - minMergeSize
>  - maxMergeSize
>  - maxMergeSizeForOptimize
> being able to limit the size of a segment is very useful to get best performance out of the Infinispan Lucene Directory: performance degrades due to the need for readlocks when the size of a segment is higher than the maximum chunk size in Infinispan.
> Readlocks are automatically engaged when needed, so this has no functional impact but is quite noticeable in terms of performance.

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