[PATCH] Make file-based lookup more interruptable

[Yao Qi]

On 02/06/15 13:34, Doug Evans wrote:
> An improvement of 10min -> 10s (or greater, I have made several)
> would be "good news to users", no?

They are good news to users, of course.  However, whether letting users
know them is another thing we need to decide.

>
>> >However, this change isn't performance improvement, because it doesn't
>> >shorten the time of operation like "b 'foo.c':bar".
> Oh?
> "b 'foo.c':bar" + ^c changes from 10min to 10sec (or some such).
> How is this any different?
>

Operation "b 'foo.c':bar" becomes more interruptable rather than more
efficient.

-- 
Yao (齐尧)