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From "Lefty Leverenz (JIRA)" <>
Subject [jira] [Commented] (HIVE-9453) Initial patch [hbase-metastore branch]
Date Sat, 18 Jul 2015 06:47:04 GMT


Lefty Leverenz commented on HIVE-9453:

Since it isn't the 1.2 release after all, I'm linking this issue to HIVE-9752 (Documentation
for HBase metastore).

Also, the new tool to dump out the contents of the metastore should be documented (Alan's
comment, 30/Jan/15).

> Initial patch [hbase-metastore branch]
> --------------------------------------
>                 Key: HIVE-9453
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Metastore
>    Affects Versions: hbase-metastore-branch
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>             Fix For: hbase-metastore-branch
>         Attachments: HIVE-9453-reviewcomments.pdf, HIVE-9453.2.patch, HIVE-9453.3.patch,
> This initial patch has several important features:
> # HBaseStore, a new implementation of RawStore that stores the data in HBase.
> # Subclasses of the thrift metastore objects to remove the massive duplication of data
where every partition contains a nearly identical storage descriptor.
> # Caches for catalog objects and statistics so that repeated metastore calls don't result
in repeated calls against HBase.
> Currently this "works" to the point that "load table" and "select" work.  I have not
tested any other statements, and I suspect most fail.  There is no security, no authorization,
and a no a lot of other things.

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