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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