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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SOLR-3924) The solr weakness fault tolerance on ext4
Date Wed, 10 Oct 2012 08:49:02 GMT

     [ https://issues.apache.org/jira/browse/SOLR-3924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uwe Schindler resolved SOLR-3924.
---------------------------------

       Resolution: Duplicate
    Fix Version/s: 3.6

This is a duplicate of LUCENE-3627 and was already fixed in Lucene 3.6.0.
                
> The solr weakness fault tolerance on ext4
> -----------------------------------------
>
>                 Key: SOLR-3924
>                 URL: https://issues.apache.org/jira/browse/SOLR-3924
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 3.5
>         Environment: Ubuntu 12.04 LTS, Filesystem is ext4.
>            Reporter: shou aoki
>             Fix For: 3.6
>
>
> In few days ago ours machine (with solr) was crashed.
> We rebooted machine and solr, The solr looks like validly behavior.
> But, The solr is not valid because following : 
> - Exists Solr core.
> - Exists /tmp/solr directory and /tmp/solr/data/solr_core directory.
> - Exists /tmp/solr/solr.xml and exists solr/cores/core tag.
> - We can start Solr Server without exception.
> - "$ curl http://localhost:8983/solr/solr_core/select?" *returns 404 Not Found.*
>   
> And I found the file of '/tmp/solr/data/solr_core/index/segments.gen' is empty file.
> So, I think there is no (or weak) fault tolerance about Solr.
> I hope the solr grow up crash-free server.
> For example, File handling is atomically as much as possible.

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