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

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

Mark Miller created SOLR-7134:
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             Summary: Replication can 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


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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