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Posted to oak-issues@jackrabbit.apache.org by "Alex Parvulescu (JIRA)" <ji...@apache.org> on 2015/12/02 15:13:11 UTC

[jira] [Updated] (OAK-3715) SegmentWriter reduce buffer size for reading binaries

     [ https://issues.apache.org/jira/browse/OAK-3715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Parvulescu updated OAK-3715:
---------------------------------
    Attachment: OAK-3715.patch

proposed patch. fyi [~mduerig], [~tmueller]

> SegmentWriter reduce buffer size for reading binaries
> -----------------------------------------------------
>
>                 Key: OAK-3715
>                 URL: https://issues.apache.org/jira/browse/OAK-3715
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: segmentmk
>            Reporter: Alex Parvulescu
>            Assignee: Alex Parvulescu
>            Priority: Minor
>         Attachments: OAK-3715.patch
>
>
> The SegmentWriter uses an initial buffer size of 256k for reading input streams binaries that need to be persisted, then it checks if the input is smaller than 16k to verify if it can be inlined or not.
> In the case the input binary is small and can be inlined (<16k), the initial buffer size is too wasteful and could be reduced to 16k, and _if needed_ increased to 256k after the threshold check is passed.



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