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From "Tsuyoshi Ito (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLEREZZA-388) Composite Resource Index Service
Date Mon, 18 Apr 2011 16:46:05 GMT

    [ https://issues.apache.org/jira/browse/CLEREZZA-388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13021096#comment-13021096
] 

Tsuyoshi Ito commented on CLEREZZA-388:
---------------------------------------

It is difficult to understand/read the scala code and locate the problems because the error
messages/line number are not very useful.

Probably somebody else can help solving the issues regarding the java.io.FileNotFoundException
(too many files open). 

IMO we shouldn't create an IndexSearcher for every thread.

FAQ lucene:
Make sure you only open one IndexSearcher, and share it among all of the threads that are
doing searches -- this is safe, and it will minimize the number of files that are open concurently.


> Composite Resource Index Service
> --------------------------------
>
>                 Key: CLEREZZA-388
>                 URL: https://issues.apache.org/jira/browse/CLEREZZA-388
>             Project: Clerezza
>          Issue Type: New Feature
>            Reporter: Reto Bachmann-Gmür
>            Assignee: Reto Bachmann-Gmür
>         Attachments: CLEREZZA-388-genericcondition-patch.diff, GenericCondition.java,
GraphIndexer.scala, ResourceFinder.scala
>
>
> A service shall monitor a graph for resource of a specific typed and provide composite
indexes on specified properties. It shall support searching by exact value, by range as well
as full-text search. This service shall make it possible to provide fast faceted searches.

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