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Posted to oak-issues@jackrabbit.apache.org by "Julian Reschke (Jira)" <ji...@apache.org> on 2020/03/01 15:14:00 UTC

[jira] [Commented] (OAK-8932) RDBDocumentStore: allow RDBVersionGC support fallback to simpler algorithm

    [ https://issues.apache.org/jira/browse/OAK-8932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17048600#comment-17048600 ] 

Julian Reschke commented on OAK-8932:
-------------------------------------

Proposed change: [^OAK-8932.diff]

> RDBDocumentStore: allow RDBVersionGC support fallback to simpler algorithm
> --------------------------------------------------------------------------
>
>                 Key: OAK-8932
>                 URL: https://issues.apache.org/jira/browse/OAK-8932
>             Project: Jackrabbit Oak
>          Issue Type: Technical task
>          Components: rdbmk
>            Reporter: Julian Reschke
>            Assignee: Julian Reschke
>            Priority: Major
>             Fix For: 1.26.0
>
>         Attachments: OAK-8932.diff
>
>
> The current (new) algorithm (intoduced in OAK-5855) may cause SELECT and DELETE statements to run concurrently, which might cause problems on certain DBs, such as SQL Server.
> Add a fallback (triggered by a system property) to the older (but slower) algorithm.



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