> On Sep 5, 2017, at 6:23 PM, Jian He <[email protected]> wrote:
>
>> If it doesn’t have all the bells and whistles, then it shouldn’t be on
>> port 53 by default.
> Sure, I’ll change the default port to not use 53 and document it.
>> *how* is it getting launched on a privileged port? It sounds like the
>> expectation is to run “command” as root. *ALL* of the previous daemons in
>> Hadoop that needed a privileged port used jsvc. Why isn’t this one? These
>> questions matter from a security standpoint.
> Yes, it is running as “root” to be able to use the privileged port. The DNS
> server is not yet integrated with the hadoop script.
>
>> Check the output. It’s pretty obviously borked:
> Thanks for pointing out. Missed this when rebasing onto trunk.
Please correct me if I’m wrong, but the current summary of the branch,
post these changes, looks like:
* A bunch of mostly new Java code that may or may not have
javadocs (post-revert YARN-6877, still working out HADOOP-14835)
* ~1/3 of the docs are roadmap/TBD
* ~1/3 of the docs are for an optional DNS daemon that has no
end user hook to start it
* ~1/3 of the docs are for a REST API that comes from some
undefined daemon (apiserver?)
* Two new, but undocumented, subcommands to yarn
* There are no docs for admins or users on how to actually
start or use this completely new/separate/optional feature
How are outside people (e.g., non-branch committers) supposed to test
this new feature under these conditions?
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