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Posted to dev@lucene.apache.org by "Uwe Schindler (JIRA)" <ji...@apache.org> on 2014/08/20 16:36:26 UTC
[jira] [Comment Edited] (LUCENE-5895) Add per-segment and
per-commit id to help replication
[ https://issues.apache.org/jira/browse/LUCENE-5895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103939#comment-14103939 ]
Uwe Schindler edited comment on LUCENE-5895 at 8/20/14 2:35 PM:
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Why not use Java's UUID class? [http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html] - especially: [http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html#randomUUID()]
was (Author: thetaphi):
Why not use Java's UUID class? http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html - especially: http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html#randomUUID()
> Add per-segment and per-commit id to help replication
> -----------------------------------------------------
>
> Key: LUCENE-5895
> URL: https://issues.apache.org/jira/browse/LUCENE-5895
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 5.0, 4.10
>
> Attachments: LUCENE-5895.patch
>
>
> It would be useful if Lucene recorded a unique id for each segment written and each commit point. This way, file-based replicators can use this to "know" whether the segment/commit they are looking at on a source machine and dest machine are in fact that same.
> I know this would have been very useful when I was playing with NRT replication (LUCENE-5438).
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