[jira] [Resolved] (SOLR-7134) Replication can still cause index corruption.

["Mark Miller (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-7134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Miller resolved SOLR-7134.
-------------------------------
    Resolution: Fixed

> Replication can still cause index corruption.
> ---------------------------------------------
>
>                 Key: SOLR-7134
>                 URL: https://issues.apache.org/jira/browse/SOLR-7134
>             Project: Solr
>          Issue Type: Bug
>          Components: replication (java)
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>            Priority: Critical
>             Fix For: Trunk, 5.1
>
>         Attachments: SOLR-7134.patch, SOLR-7134.patch, SOLR-7134.patch, SOLR-7134.patch, SOLR-7134.patch
>
>
> While we have plugged most of these holes, there appears to be another that is fairly rare.
> I've seen it play out a couple ways in tests, but it looks like part of the problem is that even if we decide we need a file and download it, we don't care if we then cannot move it into place if it already exists.
> I'm working with a fix that does two things:
> * Fail a replication attempt if we cannot move a file into place because it already exists.
> * If a replication attempt during recovery fails, on the next attempt force a full replication to a new directory.



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