Re: [SPAM] Fwd: Counter consistency - are counters idempotent?

2011-07-22 Thread Aaron Turner
On Fri, Jul 22, 2011 at 9:27 AM, Donal Zang wrote: > On 22/07/2011 18:08, Yang wrote: >> >> btw, this "issue" of  not knowing whether a write is persisted or not >> when client reports error, is not limited to counters,  for regular >> columns, it's the same: if client reports write failure, the v

Re: [SPAM] Fwd: Counter consistency - are counters idempotent?

2011-07-22 Thread Donal Zang
On 22/07/2011 18:08, Yang wrote: btw, this "issue" of not knowing whether a write is persisted or not when client reports error, is not limited to counters, for regular columns, it's the same: if client reports write failure, the value may well be replicated to all replicas later. this is even

Fwd: Counter consistency - are counters idempotent?

2011-07-22 Thread Yang
btw, this "issue" of not knowing whether a write is persisted or not when client reports error, is not limited to counters, for regular columns, it's the same: if client reports write failure, the value may well be replicated to all replicas later. this is even the same with all other systems: Z