Create cannot be idempotent with sequential files. Doing the same create twice creates two different files.
On Sun, Oct 28, 2012 at 10:25 PM, lei liu <liulei...@gmail.com> wrote: > Thanks Ted for your reply. > > What is the the problem of watches and sequential files? If you can > describe in detail, I can better understand the problem. > > 2012/10/29 Ted Dunning <tdunn...@maprtech.com> > >> Create cannot be idempotent because of the problem of watches and >> sequential files. >> >> Similarly, mkdirs, rename and delete cannot generally be idempotent. In >> particular applications, you might find it is OK to treat them as such, but >> there are definitely applications where they are not idempotent. >> >> >> On Sun, Oct 28, 2012 at 2:40 AM, lei liu <liulei...@gmail.com> wrote: >> >>> I think these methods should are idempotent, these methods should be >>> repeated >>> calls to be harmless by same client. >>> >>> >>> Thanks, >>> >>> LiuLei >>> >> >> >
