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From "Hoss Man (JIRA)" <>
Subject [jira] Updated: (SOLR-1170) Java replication replicates lucene lock file
Date Wed, 09 Sep 2009 17:41:58 GMT


Hoss Man updated SOLR-1170:

    Fix Version/s: 1.4

issue is marked "affects 1.4" and has a patch which comments indicate solves the problem ...
marking "fix for 1.4" so it's not overlooked prior to code freeze

> Java replication replicates lucene lock file
> --------------------------------------------
>                 Key: SOLR-1170
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>          Components: replication (java)
>    Affects Versions: 1.4
>         Environment: linux
>            Reporter: Bryan Talbot
>            Assignee: Noble Paul
>            Priority: Minor
>             Fix For: 1.4
>         Attachments: SOLR-1170.patch
> When using solr 1.4 replication, I see that the lucene-write.lock file is being replicated
to slaves.  I'm importing data from a db every 5 minutes using cron to trigger a DIH delta-import.
 Replication polls every 60 seconds and the master is configured to take a snapshot (replicateAfter)
> Why should the lock file be replicated to slaves?
> The lock file isn't stale on the master and is absent unless the delta-import is in process.
 I've not tried it yet, but with the lock file replicated, it seems like promotion of a slave
to a master in a failure recovery scenario requires the manual removal of the lock file.

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