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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2015/12/16 15:58:46 UTC

[jira] [Updated] (OAK-3690) Decouple SegmentBufferWriter from SegmentStore

     [ https://issues.apache.org/jira/browse/OAK-3690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Dürig updated OAK-3690:
-------------------------------
    Fix Version/s:     (was: 1.4)

> Decouple SegmentBufferWriter from SegmentStore
> ----------------------------------------------
>
>                 Key: OAK-3690
>                 URL: https://issues.apache.org/jira/browse/OAK-3690
>             Project: Jackrabbit Oak
>          Issue Type: Technical task
>          Components: segmentmk
>            Reporter: Michael Dürig
>              Labels: technical_debt
>
> Currently {{SegmentBufferWriter.flush()}} directly calls {{SegmentStore.writeSegment()}} once the current segment does not have enough space for the next record. We should try to cut this dependency as {{SegmentBufferWriter}} should only be concerned with providing buffers for segments. Actually writing these to the store should be handled by a higher level component. 
> A number of deadlock (e.g. (OAK-2560, OAK-3179, OAK-3264) we have seen is one manifestation of this troublesome dependency. 



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