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Posted to oak-issues@jackrabbit.apache.org by "Julian Reschke (JIRA)" <ji...@apache.org> on 2017/12/07 14:20:00 UTC

[jira] [Resolved] (OAK-6806) RDBDocumentStore: version GC does not scale when there are many docs with long paths

     [ https://issues.apache.org/jira/browse/OAK-6806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Reschke resolved OAK-6806.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.8
                   1.7.13

Hopefully fixed with the changes for OAK-6965.

> RDBDocumentStore: version GC does not scale when there are many docs with long paths
> ------------------------------------------------------------------------------------
>
>                 Key: OAK-6806
>                 URL: https://issues.apache.org/jira/browse/OAK-6806
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: rdbmk
>            Reporter: Julian Reschke
>            Assignee: Julian Reschke
>             Fix For: 1.7.13, 1.8
>
>         Attachments: OAK-6806.diff
>
>
> Due to the way the RDB RevisionGC looks for split documents, it doesn't perform well at all in the presence of many documents with long paths.
> The reason is that we currently do not have a column for SDTYPE, and thus use pattern matching on the document IDs instead. However, once a document has long path in the document store, it appears to the GC has candidate split document, and thus is always read upon GC.
>  



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