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Posted to dev@lucene.apache.org by "Karthick Sankarachary (JIRA)" <ji...@apache.org> on 2010/05/02 21:39:57 UTC
[jira] Updated: (LUCENE-2433) A Remoting Split Policy For Managing
Multiple Remote Directories
[ https://issues.apache.org/jira/browse/LUCENE-2433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthick Sankarachary updated LUCENE-2433:
------------------------------------------
Affects Version/s: 3.0.1
Component/s: contrib/*
Index
> A Remoting Split Policy For Managing Multiple Remote Directories
> -----------------------------------------------------------------
>
> Key: LUCENE-2433
> URL: https://issues.apache.org/jira/browse/LUCENE-2433
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/*, Index
> Affects Versions: 3.0.1
> Reporter: Karthick Sankarachary
>
> (Please note that the feature described in LUCENE-2425 is required reading for this issue.)
> The remoting split policy is an abstraction for a split index, where each sub-index points to a (potentially remote) URI-based directory. More formally, it establishes mappings between URIs and directories using the concept of a URIDirectory. Basically, that interface allows one to construct a directory instance based on a URI value.
> Currently, the following two URIs have been mapped:
> a) File URI: In this case, the path specified in the file URI maps to the location of a FSDirectory. While the path usually points to a folder in the local file system, it may refer to a NFS mount point, in which case the sub-directory is not co-located with the super-directory of the split index.
> b) RAM URI: In this case, the path specified in the URI may be empty, in which case a volatile RAMDirectory is created. In the event the path is non-empty, the RAM-based directory acts as a facade for a file-system-based directory.
> More (industrial-strength) URI mappings are currently in the works, and will be added as they become available.
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