There is an e-mail thread though: http://mail-archives.apache.org/mod_mbox/zookeeper-bookkeeper-user/201302.mbox/%3ccd5117b7.aa88%[email protected]%3E
-Flavio On May 31, 2013, at 3:19 PM, Ivan Kelly <[email protected]> wrote: > The mailing list seems to have blocked the attachment. Could you put > the document somewhere we could download it? Perhaps you could create > a JIRA for it on https://issues.apache.org/jira/browse/BOOKKEEPER. I > thought we did have a jira for queue semantic in hedwig, but a quick > search revealed nothing. > > -Ivan > > On Fri, May 31, 2013 at 08:27:44PM +0800, Yidong Cui wrote: >> As we know, Hedwig system is a topic-based pub/sub system. One >> subscriber in Hedwig system is simply one client, however, under the >> environment of cloud-computing and distributed system, one subscriber may >> not be just one client but a cluster with multiple clients in it. Besides, >> original Hedwig system just has pub/sub model but actually many enterprises >> ask a demand for message queue model. >> To satisfy this, we want to modify original Hedwig system by >> adding *message >> queue model*. In the modified Hedwig system, not only pub/sub model but >> also message queue model is available. The attachment of this email is >> our design document. We want to discuss with you all, and waiting for >> your valuable advice,thank you! >
