<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 20 Jul 2010, at 11:48, Manik Surtani wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 20 Jul 2010, at 11:45, Mircea Markus wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 20 Jul 2010, at 11:29, Manik Surtani wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 20 Jul 2010, at 10:52, Mircea Markus wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi,<div><br></div><div>Right now we have the following intelligence levels in HR:</div><div><span class="Apple-style-span" style="font-family: 'Lucida Grande', Geneva, Verdana, Arial, sans-serif; font-size: 12px; color: rgb(91, 91, 91); "><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-size: 1em; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; ">(0x01) basic client, interested in neither cluster nor hash information</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-size: 1em; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; ">(0x02) topology-aware client, interested in cluster information</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-width: 0px; outline-style: initial; outline-color: initial; font-size: 1em; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; ">(0x03) hash-distribution-aware client, that is interested in both cluster and hash information</div></span></div></div></blockquote><div><br></div><div>Transaction aware clients have nothing to do with "intelligence" in that it doesn't affect the way clients discover or route connections to the back-end. </div></div></div></blockquote>not in that sense.<br><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div> Pls don't pollute this field with orthogonal characteristics.</div></div></div></blockquote>Then transaction should be supported by all clients implementing the protocol? <br></div></div></blockquote><div><br></div><div>No, but if a client doesn't start a tx, then the backend doesn't care if the client can or cannot ever support transactions, right?</div></div></div></blockquote></div><div>Each HotRod operation needs to contain the tx id, if it is part of a transaction. </div><div>a) either we add this now, in 4.1, before protocol completes</div><div>b) or we add it in 5.0 together as per this JIRA. If so, server would need to be aware that client is transactional aware, hence the new intelligence level I was taking about</div><div>with b clients that don't support tx would't need to send an additional field. We had this discussion on a separate thread with galder, I can live with either one of the two. </div><div><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div>--</div><div>Manik Surtani</div><div><a href="mailto:manik@jboss.org">manik@jboss.org</a></div><div>Lead, Infinispan</div><div>Lead, JBoss Cache</div><div><a href="http://www.infinispan.org/">http://www.infinispan.org</a></div><div><a href="http://www.jbosscache.org/">http://www.jbosscache.org</a></div><div><br></div></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
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