Re: What's master key in hive metastore?

[Xi Chen]

Many thanks, Alan

On Tue, May 5, 2020 at 1:01 AM Alan Gates  wrote:

> It is used in storing delegation tokens, which HS2 and the megastore need
> to act on the user's behalf when reading files, launching jobs, etc.  See
> DelegationTokenStore.
>
> Alan.
>
> On Mon, May 4, 2020 at 2:00 AM Xi Chen  wrote:
>
> > Dear all,
> >
> > I find several APIs about master key in hive metastore and
> > IMetastoreClient. I searched around but didn't find any usage in hive DDL
> > tasks. Any idea where this master key is designed for?
> >
> > Thanks in advance,
> > bargitta
> >
> > int addMasterKey(String key) throws MetaException, TException;
> >
> > void updateMasterKey(Integer seqNo, String key)
> > throws NoSuchObjectException, MetaException, TException;
> >
> > boolean removeMasterKey(Integer keySeq) throws TException;
> >
> > String[] getMasterKeys() throws TException;
> >
>

Re: What's master key in hive metastore?

[Alan Gates]

It is used in storing delegation tokens, which HS2 and the megastore need
to act on the user's behalf when reading files, launching jobs, etc.  See
DelegationTokenStore.

Alan.

On Mon, May 4, 2020 at 2:00 AM Xi Chen  wrote:

> Dear all,
>
> I find several APIs about master key in hive metastore and
> IMetastoreClient. I searched around but didn't find any usage in hive DDL
> tasks. Any idea where this master key is designed for?
>
> Thanks in advance,
> bargitta
>
> int addMasterKey(String key) throws MetaException, TException;
>
> void updateMasterKey(Integer seqNo, String key)
> throws NoSuchObjectException, MetaException, TException;
>
> boolean removeMasterKey(Integer keySeq) throws TException;
>
> String[] getMasterKeys() throws TException;
>

What's master key in hive metastore?

[Xi Chen]

Dear all,

I find several APIs about master key in hive metastore and
IMetastoreClient. I searched around but didn't find any usage in hive DDL
tasks. Any idea where this master key is designed for?

Thanks in advance,
bargitta

int addMasterKey(String key) throws MetaException, TException;

void updateMasterKey(Integer seqNo, String key)
throws NoSuchObjectException, MetaException, TException;

boolean removeMasterKey(Integer keySeq) throws TException;

String[] getMasterKeys() throws TException;