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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (JCR-189) QueryHandler should use lucene Input-/OutputStream implementations
Date Thu, 18 Aug 2005 10:28:03 GMT
     [ http://issues.apache.org/jira/browse/JCR-189?page=all ]
     
Marcel Reutegger reopened JCR-189:
----------------------------------


With the switch to the lucene FSDirectory, lock files are now created in temp directory. This
is not convenient when troubleshooting an issue with lucene. Lock files should again be created
in the index directory itself.

> QueryHandler should use lucene Input-/OutputStream implementations
> ------------------------------------------------------------------
>
>          Key: JCR-189
>          URL: http://issues.apache.org/jira/browse/JCR-189
>      Project: Jackrabbit
>         Type: Improvement
>   Components: query
>  Environment: svn revision: 233161
>     Reporter: Marcel Reutegger
>     Assignee: Marcel Reutegger
>     Priority: Minor
>      Fix For: 1.0

>
> Currently the QueryHandler uses a jackrabbit specific implementation of the lucene Directory
interface to make use of the jackrabbit FileSystem abstraction. Lucene operations on the file
system however requires quite often random access on the index files. With the current FileSystem
interface / abstraction random access is not possible on a FileSystemResource, therefore it
is simulated by re-aquiring the InputStream and then seeking to the desired position. This
it not efficient at all.
> With respect to performance any other use than file based index storage does not make
sense with lucene. Hence, the current abstraction using FileSystem should be dropped in favour
of direct file access.

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