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https://issues.apache.org/jira/browse/HBASE-11339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14622478#comment-14622478
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Ted Yu edited comment on HBASE-11339 at 7/10/15 4:41 PM:
---------------------------------------------------------
For Compactor.java :
{code}
// TODO mob introduced the fd parameter; can we make this cleaner and easier
to extend in future?
{code}
Edit: DefaultMobStoreCompactor uses fd parameter.
We can leave the API change as is.
was (Author: [email protected]):
For Compactor.java :
{code}
// TODO mob introduced the fd parameter; can we make this cleaner and easier
to extend in future?
{code}
parameter fd is not used in performCompaction(). Can this parameter be omitted ?
> HBase MOB
> ---------
>
> Key: HBASE-11339
> URL: https://issues.apache.org/jira/browse/HBASE-11339
> Project: HBase
> Issue Type: Umbrella
> Components: regionserver, Scanners
> Affects Versions: 2.0.0
> Reporter: Jingcheng Du
> Assignee: Jingcheng Du
> Fix For: hbase-11339
>
> Attachments: HBase MOB Design-v2.pdf, HBase MOB Design-v3.pdf, HBase
> MOB Design-v4.pdf, HBase MOB Design-v5.pdf, HBase MOB Design.pdf, MOB user
> guide.docx, MOB user guide_v2.docx, MOB user guide_v3.docx, MOB user
> guide_v4.docx, MOB user guide_v5.docx, hbase-11339-150519.patch,
> hbase-11339-in-dev.patch, hbase-11339.150417.patch, merge-150212.patch,
> merge.150212b.patch, merge.150212c.patch, merge.150710.patch
>
>
> It's quite useful to save the medium binary data like images, documents
> into Apache HBase. Unfortunately directly saving the binary MOB(medium
> object) to HBase leads to a worse performance since the frequent split and
> compaction.
> In this design, the MOB data are stored in an more efficient way, which
> keeps a high write/read performance and guarantees the data consistency in
> Apache HBase.
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