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https://issues.apache.org/jira/browse/SOLR-6460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14241396#comment-14241396
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Renaud Delbru commented on SOLR-6460:
-------------------------------------
Cdcr is dependent on those modifcations, but this extension is not dependent of
Cdcr.
All the modifications were implemented as an extension of the original update
log. The reason to keep it separated was to avoid to push unexpected problems
in the other parts of Solr Cloud.
This extension can be easily integrated into the original update log /
transaction log. Maybe this could be integrated when we will be more confident
with it.
> Keep transaction logs around longer
> -----------------------------------
>
> Key: SOLR-6460
> URL: https://issues.apache.org/jira/browse/SOLR-6460
> Project: Solr
> Issue Type: Sub-task
> Reporter: Yonik Seeley
> Attachments: SOLR-6460.patch, SOLR-6460.patch, SOLR-6460.patch
>
>
> Transaction logs are currently deleted relatively quickly... but we need to
> keep them around much longer to be used as a source for cross-datacenter
> recovery. This will also be useful in the future for enabling peer-sync to
> use more historical updates before falling back to replication.
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