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 <bargittac...@gmail.com> 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; >
