Thank you very much, Jim! However, opaque dependencies are always a worry and 
it will affect people's choices.

On 2020/07/08 14:23:43, Jim Apple <jbap...@apache.org> wrote: 
> Hi LiFu! I'm Jim, and I started contributing to the Impala project in 2015.
> 
> When we were working on learning about Apache and ASF standards back when
> Impala was incubating, this question came up. The analogy that we learned
> was that Apache projects are not, themselves, owned by anyone other than
> the Foundation, they sometimes rely on software projects, such as Microsoft
> Windows, that are owned by another corporation.
> 
> While that's the organizational rationale, I think the community would
> welcome a build and deploy process that used only officially released
> snapshots from the other Apache projects that Impala depends upon. I think
> this is a question of someone taking the time to put in the work, similarly
> to how Impala has supported only x86-64 for years, but there are new
> efforts to make it work on AArch64.
> 
> On Wed, Jul 8, 2020 at 6:38 AM LiFu He <hel...@apache.org> wrote:
> 
> > At the same time, I'm curious why an open source project relies on a
> > business product, though I understand that there are some historical
> > reasons. Could anybody share more info?
> >
> >
> > On 2020/07/07 12:46:44, LiFu He <hel...@gmail.com> wrote:
> > > Hi everybody,
> > >
> > > I have a question that why Impala relies on the CDH/CDP
> > > distribution(hadoop/hive/hbase/sentry/ranger)? And is it possible to
> > switch
> > > to Apache version? Thanks in advance.
> > >
> > >
> > > --helifu
> > >
> >
> 

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