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From "Akshay K. Ukey (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-658) Allow Solr to load index from arbitrary directory in dataDir and Commit point
Date Mon, 06 Oct 2008 11:13:44 GMT

     [ https://issues.apache.org/jira/browse/SOLR-658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Akshay K. Ukey updated SOLR-658:
--------------------------------

    Attachment: SOLR-658.patch

Patch in sync with the trunk.

> Allow Solr to load index from arbitrary directory in dataDir and Commit point
> -----------------------------------------------------------------------------
>
>                 Key: SOLR-658
>                 URL: https://issues.apache.org/jira/browse/SOLR-658
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 1.4
>            Reporter: Noble Paul
>            Assignee: Shalin Shekhar Mangar
>             Fix For: 1.4
>
>         Attachments: SOLR-658.patch, SOLR-658.patch, SOLR-658.patch
>
>
> This is a requirement for java based Solr replication 
> Usecase for arbitrary index directory:
> if the slave has a corrupted index and the filesystem does not allow overwriting files
in use (NTFS) replication will fail. The solution is to copy the index from master to an alternate
directory on slave and load indexreader/indexwriter from this alternate directory.
> Usecase for arbitrary commitpoint :
> Replication can also provide rollback feature . The rollback should be able to mention
a comitpoint /generation so that rollback is possible.

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