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Posted to oak-issues@jackrabbit.apache.org by "Amit Jain (JIRA)" <ji...@apache.org> on 2014/09/30 09:42:56 UTC

[jira] [Updated] (OAK-1867) Optimize SegmentWriter.prepare()

     [ https://issues.apache.org/jira/browse/OAK-1867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amit Jain updated OAK-1867:
---------------------------
    Fix Version/s:     (was: 1.1)
                   1.1.0

> Optimize SegmentWriter.prepare()
> --------------------------------
>
>                 Key: OAK-1867
>                 URL: https://issues.apache.org/jira/browse/OAK-1867
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core, segmentmk
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>              Labels: performance
>             Fix For: 1.1.0
>
>
> A significant part of the time in writing new SegmentMK records is spent in the {{SegmentWriter.prepare()}} method, especially in the part where the exact set of segment references is computed. In most cases that computation could be short-circuited to improve write performance.



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