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https://issues.apache.org/jira/browse/SOLR-11718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16856998#comment-16856998
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Christine Poerschke commented on SOLR-11718:
--------------------------------------------

Hello. Could we confirm here if changes are included in the (already released) 
8.1 version which is (currently) tagged as fixVersion. It appears from ticket 
updates and cursory CHANGES.txt scan that nothing was committed here yet – if 
that is correct, may I suggest to un-tag the fixVersion 8.1 portion? Thanks!

> Deprecate CDCR Buffer APIs and set Buffer to "false"
> ----------------------------------------------------
>
>                 Key: SOLR-11718
>                 URL: https://issues.apache.org/jira/browse/SOLR-11718
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: CDCR
>            Reporter: Amrit Sarkar
>            Assignee: Varun Thacker
>            Priority: Major
>             Fix For: 8.1, master (9.0)
>
>         Attachments: SOLR-11718.patch, SOLR-11718.patch, SOLR-11718.patch
>
>
> Kindly see the discussion on SOLR-11652.
> Today, if we see the current CDCR documentation page, buffering is "disabled" 
> by default in both source and target. We don't see any purpose served by Cdcr 
> buffering and it is quite an overhead considering it can take a lot heap 
> space (tlogs ptr) and forever retention of tlogs on the disk when enabled. 
> Also today, even if we disable buffer from API on source , considering it was 
> enabled at startup, tlogs are never purged on leader node of shards of 
> source, refer jira: SOLR-11652



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