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Posted to oak-issues@jackrabbit.apache.org by "Nitin Gupta (Jira)" <ji...@apache.org> on 2020/03/16 04:02:01 UTC
[jira] [Closed] (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:all-tabpanel ]
Nitin Gupta closed OAK-8932.
----------------------------
> 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
> Labels: candidate_oak_1_6
> Fix For: 1.26.0, 1.10.9, 1.8.21, 1.22.2
>
> Attachments: OAK-8932.diff
>
>
> The current (new) algorithm (introduced in OAK-5855) may cause SELECT and DELETE statements to run concurrently, which might cause problems on certain DBs, such as SQL Server.
> Added a fallback (triggered by a system property) to the older (but slower) algorithm. Select it by setting system property like that:
> {noformat}
> -Dorg.apache.jackrabbit.oak.plugins.document.rdb.RDBVersionGCSupport.MODE=1 {noformat}
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