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From "Amrit Sarkar (JIRA)" <>
Subject [jira] [Updated] (SOLR-11718) Deprecate CDCR Buffer APIs
Date Tue, 16 Jan 2018 12:54:00 GMT


Amrit Sarkar updated SOLR-11718:
    Attachment: SOLR-11718.patch

> Deprecate CDCR Buffer APIs
> --------------------------
>                 Key: SOLR-11718
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: CDCR
>    Affects Versions: 7.1
>            Reporter: Amrit Sarkar
>            Priority: Major
>             Fix For: master (8.0), 7.3
>         Attachments: SOLR-11718-v3.patch, 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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