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https://issues.apache.org/jira/browse/OAK-1660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jukka Zitting resolved OAK-1660.
--------------------------------
Resolution: Fixed
Fix Version/s: 0.20
Done in revisions 1583880 and 1583881.
> SegmentMK: Optimize reading of large binaries
> ---------------------------------------------
>
> Key: OAK-1660
> URL: https://issues.apache.org/jira/browse/OAK-1660
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: core
> Reporter: Jukka Zitting
> Assignee: Jukka Zitting
> Fix For: 0.20
>
>
> Currently the SegmentMK splits all binaries to 4kB blocks, which adds some
> overhead when reading large binaries. When writing we already combine up to
> 64 such blocks to a 256kB bulk segment that is then written in a single
> operation.
> We could use the same idea also when reading: if a sequence of two or more
> blocks are located next to each other in the same segment, we can merge those
> blocks into one big block for reading a larger chunk of data at a time.
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