[j-nsp] purpose of "commit check"?

[Phil Shafer]

Chuck Anderson writes:
>On Thu, Oct 01, 2015 at 12:30:51AM +0300, Martin T wrote:
>> So in order to sum this up, "commit check" makes sense at least in
>> following cases:
>> 
>> 1) confirm "commit confirmed" action. This does not waste a rollback.
>> 2) test errors for configuration which will be saved and committed later
>> 3) make intermediate syntax checks in case of large configurations in
>> order to make sure that configuration applied to candidate
>> configuration so far is fine
>> 4) use "commit check" to trigger commit scripts
>5) coordinate commits across multiple devices to be sure they will all
>succeed at the same time when the final commits are given

Similarly pre-checking a "commit at" makes sense.

Thanks,
 Phil