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Posted to dev@lucene.apache.org by "Per Steffensen (JIRA)" <ji...@apache.org> on 2014/01/31 16:26:10 UTC
[jira] [Updated] (LUCENE-5427) Support for changing FieldCache
implementation in Lucene
[ https://issues.apache.org/jira/browse/LUCENE-5427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Per Steffensen updated LUCENE-5427:
-----------------------------------
Attachment: Override_FieldCache_impl_to_use.patch
Fairly primitive patch attached. Didn't want to make the patch too big, so e.g. I didn't change from using a static FieldCache.DEFAULT to something non-static and method'ish even though that would be obvious to do some day. The solution requires that you change the implementation of the FieldCache before you ever start using it. I am very unsure what would happen if you changed the FieldCache after someone started using it, so I didn't want to include that. Changed FieldCacheImpl so that it is easier to extend it, which you would probably want to do in most cases where you create you own FieldCache-implementation. The changes made to FieldCacheImp are the ones necessary for us to make our do-not-put-anything-in-the-caches-FieldCache-implementation - so that kinda drove what changes I made to FieldCacheImpl.
> Support for changing FieldCache implementation in Lucene
> --------------------------------------------------------
>
> Key: LUCENE-5427
> URL: https://issues.apache.org/jira/browse/LUCENE-5427
> Project: Lucene - Core
> Issue Type: New Feature
> Components: core/search
> Affects Versions: 4.6
> Reporter: Per Steffensen
> Labels: facet, fieldcache, range, search, sort
> Attachments: Override_FieldCache_impl_to_use.patch
>
>
> Believe in general it would be a nice feature to be able to overwrite the FieldCache-implementation in Lucene.
> For instance we override with a FieldCache-implementation that basically does not allow anything to be put in the FieldCache caches. We have so much data that it always creates memory issues.
> But I could imagine other reasons for wanting to override the FieldCache-implementation
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