Re: HMS catalogs and Sentry

[Kalyan Kumar Kalvagadda <kk...@cloudera.com>]

sasha,

Thanks for the explanation. Will look closer into the discussion in Jira.


*Thanks,Kalyan Kumar Kalvagadda* | Software Engineer
t. (469) 279- <0000000000>5732
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------------------------------

On Mon, Apr 30, 2018 at 6:30 PM, Alexander Kolbasov <ak...@cloudera.com>
wrote:

> I think the way Alan Gates describes it is that the reason is coexistence
> of different databases within HMS for example Kafka may store its metadata
> within 'kafka' catalog, etc. The data within each catalog seems to be the
> same though - it is still databases, tables and partitions. There is some
> discussion and explanation in the JIRA.
>
> On Thu, Apr 26, 2018 at 10:21 AM, Kalyan Kumar Kalvagadda <
> kkalyan@cloudera.com> wrote:
>
> > I feel, we need to understand it better before considering to put in
> sentry
> > wish list.
> >
> >
> > *Thanks,Kalyan Kumar Kalvagadda* | Software Engineer
> > t. (469) 279- <0000000000>5732
> > cloudera.com <https://www.cloudera.com>
> >
> > [image: Cloudera] <https://www.cloudera.com/>
> >
> > [image: Cloudera on Twitter] <https://twitter.com/cloudera> [image:
> > Cloudera on Facebook] <https://www.facebook.com/cloudera> [image:
> Cloudera
> > on LinkedIn] <https://www.linkedin.com/company/cloudera>
> > ------------------------------
> >
> > On Thu, Apr 26, 2018 at 11:31 AM, Na Li <li...@cloudera.com> wrote:
> >
> > > Sasha,
> > >
> > > The jira  https://issues.apache.org/jira/browse/HIVE-18755 has no
> > > description on what's the motivation of having catalog and how it
> works.
> > >
> > > Is catalog similar to namespace, so all databases in a catalog can be
> > > managed by one entity?
> > >
> > > Do you know any description that would help us understand how it work
> > other
> > > than read the hive code?
> > >
> > > Thanks,
> > >
> > > Lina
> > >
> > > On Thu, Apr 26, 2018 at 10:47 AM, Sergio Pena <
> sergio.pena@cloudera.com>
> > > wrote:
> > >
> > > > What is the reason for having catalogs in HMS? I was looking at the
> > JIRA
> > > > but I don't see how catalogs will be used.
> > > >
> > > > Nevertheless, if HMS is going to support catalogs, then we should
> > support
> > > > them when we decide to move to Hive 3.0 at some point.
> > > > Should we put this on our wishlist for Sentry?
> > > >
> > > > On Wed, Apr 25, 2018 at 7:45 PM, Alexander Kolbasov <
> > akolb@cloudera.com>
> > > > wrote:
> > > >
> > > > > See https://issues.apache.org/jira/browse/HIVE-18755. Basically
> > > catalog
> > > > is
> > > > > a container for databases - all databases belong to a catalog. This
> > > means
> > > > > that Sentry may need to support catalog-level privileges.
> > > > >
> > > > > - Alex
> > > > >
> > > > > On Wed, Apr 25, 2018 at 5:06 PM, Kalyan Kumar Kalvagadda <
> > > > > kkalyan@cloudera.com> wrote:
> > > > >
> > > > > > Sasha,
> > > > > >
> > > > > > Could you share information on what catalog is?
> > > > > >
> > > > > > -Kalyan
> > > > > >
> > > > > >
> > > > > > *Thanks,Kalyan Kumar Kalvagadda* | Software Engineer
> > > > > > t. (469) 279- <0000000000>5732
> > > > > > cloudera.com <https://www.cloudera.com>
> > > > > >
> > > > > > [image: Cloudera] <https://www.cloudera.com/>
> > > > > >
> > > > > > [image: Cloudera on Twitter] <https://twitter.com/cloudera>
> > [image:
> > > > > > Cloudera on Facebook] <https://www.facebook.com/cloudera>
> [image:
> > > > > Cloudera
> > > > > > on LinkedIn] <https://www.linkedin.com/company/cloudera>
> > > > > > ------------------------------
> > > > > >
> > > > > > On Wed, Apr 25, 2018 at 6:58 PM, Alexander Kolbasov <
> > > > akolb@cloudera.com>
> > > > > > wrote:
> > > > > >
> > > > > > > Hive 3 introduced the notion of catalog. What do people think
> > about
> > > > > > > supporting it in Sentry as well? At some point we will move to
> > > Hive-3
> > > > > and
> > > > > > > then it will become a requirement I guess.
> > > > > > >
> > > > > > > - Alex
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>